Ultrafilter replacement elements for 151 Walker Filtration part numbers across 6 series — 45 with a verified Ultrafilter part number.
Response within one business day · No obligation
151 Walker Filtration part numbers, grouped by series. A part number is shown only where the Ultrafilter replacement is verified; for all others talk to a filtration expert.
| Part Numbers | Size / housing | Rating | Adapter | Seal | |||||
|---|---|---|---|---|---|---|---|---|---|
| Walker Filtration part number | Ultrafilter SKU | Competitor | UF Code | Competitor | UF Code | Competitor | UF Code | Competitor | UF Code |
| Alpha Coalescing Filters (A30006–A31500)95 part numbers · 0 verified | |||||||||
| A30006AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 1/8 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30006X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 1/8 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30006X25 | Talk to an expert → | — | — | 25 µm, max | — | 1/8 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30006X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 1/8 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30006XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 1/8 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30015AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30015X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30015X25 | Talk to an expert → | — | — | 25 µm, max | — | 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30015X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30015XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30025AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30025X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30025X25 | Talk to an expert → | — | — | 25 µm, max | — | 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30025X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30025XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30032AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 3/8 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30032X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 3/8 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30032X25 | Talk to an expert → | — | — | 25 µm, max | — | 3/8 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30032X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 3/8 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30032XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 3/8 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30050AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30050X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30050X25 | Talk to an expert → | — | — | 25 µm, max | — | 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30050X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30050XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30070AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30070X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30070X25 | Talk to an expert → | — | — | 25 µm, max | — | 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30070X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30070XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30085AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 3/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30085X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 3/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30085X25 | Talk to an expert → | — | — | 25 µm, max | — | 3/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30085X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 3/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30085XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 3/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30105AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 1 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30105X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 1 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30105X25 | Talk to an expert → | — | — | 25 µm, max | — | 1 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30105X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 1 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30105XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 1 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30125AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 3/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30125X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 3/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30125X25 | Talk to an expert → | — | — | 25 µm, max | — | 3/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30125X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 3/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30125XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 3/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30175AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 1 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30175X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 1 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30175X25 | Talk to an expert → | — | — | 25 µm, max | — | 1 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30175X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 1 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30175XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 1 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30280AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 1 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30280X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 1 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30280X25 | Talk to an expert → | — | — | 25 µm, max | — | 1 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30280X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 1 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30280XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 1 1/4 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30320AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 1 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30320X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 1 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30320X25 | Talk to an expert → | — | — | 25 µm, max | — | 1 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30320X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 1 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30320XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 1 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30400AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 1 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30400X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 1 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30400X25 | Talk to an expert → | — | — | 25 µm, max | — | 1 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30400X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 1 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30400XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 1 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30450AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30450X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30450X25 | Talk to an expert → | — | — | 25 µm, max | — | 2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30450X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30450XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30700AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30700X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30700X25 | Talk to an expert → | — | — | 25 µm, max | — | 2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30700X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30700XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30850AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 2 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30850X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 2 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30850X25 | Talk to an expert → | — | — | 25 µm, max | — | 2 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30850X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 2 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30850XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 2 1/2 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30900AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30900X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30900X25 | Talk to an expert → | — | — | 25 µm, max | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30900X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A30900XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A31250AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A31250X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A31250X25 | Talk to an expert → | — | — | 25 µm, max | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A31250X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A31250XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A31500AC | Talk to an expert → | — | — | 0.01 micron + oil-vapour adsorption, oil carryover ≤0.003 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A31500X1 | Talk to an expert → | — | — | 1 micron, oil carryover ≤0.3 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A31500X25 | Talk to an expert → | — | — | 25 µm, max | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A31500X5 | Talk to an expert → | — | — | 5 micron, oil carryover ≤5 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| A31500XA | Talk to an expert → | — | — | 0.01 micron, oil carryover ≤0.01 mg/m³ | — | 3 in BSP (Rp) standard; NPT suffix N / BSP taper Rc on request | — | — | — |
| Replacement elements → Ultrafilter PE9 part numbers · 9 verified | |||||||||
| E361X25 | PE···· Unlock · Quote |
A20X25 | — | — | Sintered polyethylene with an absolute retention rate of 25 micron | Walker Filtration housing A20X25 | Fits Walker Filtration housing A20 X 25 (direct replacement element) | — | — |
| E371X25 | PE···· Unlock · Quote |
A30X25 | — | — | Sintered polyethylene with an absolute retention rate of 25 micron | Walker Filtration housing A30X25 | Fits Walker Filtration housing A30 X 25 (direct replacement element) | — | — |
| E511X25 | PE···· Unlock · Quote |
A55X25 | — | — | Sintered polyethylene with an absolute retention rate of 25 micron | Walker Filtration housing A55X25 | Fits Walker Filtration housing A55 X 25 (direct replacement element) | — | — |
| E711X25 | PE···· Unlock · Quote |
A76X25 | — | — | Sintered polyethylene with an absolute retention rate of 25 micron | Walker Filtration housing A76X25 | Fits Walker Filtration housing A76 X 25 (direct replacement element) | — | — |
| E731X25 | PE···· Unlock · Quote |
A106X25 | — | — | Sintered polyethylene with an absolute retention rate of 25 micron | Walker Filtration housing A106X25 | Fits Walker Filtration housing A106 X 25 (direct replacement element) | — | — |
| E811X25 | PE···· Unlock · Quote |
A105X25 | — | — | Sintered polyethylene with an absolute retention rate of 25 micron | Walker Filtration housing A105X25 | Fits Walker Filtration housing A105 X 25 (direct replacement element) | — | — |
| E821X25 | PE···· Unlock · Quote |
A126X25 | — | — | Sintered polyethylene with an absolute retention rate of 25 micron | Walker Filtration housing A126X25 | Fits Walker Filtration housing A126 X 25 (direct replacement element) | — | — |
| E831X25 | PE···· Unlock · Quote |
A153X25, A203X25 | — | — | Sintered polyethylene with an absolute retention rate of 25 micron | Walker Filtration housing A153X25, A203X25 | Fits Walker Filtration housing A153 X 25, A203 X 25 (direct replacement element) | — | — |
| E851X25 | PE···· Unlock · Quote |
A205X25 | — | — | Sintered polyethylene with an absolute retention rate of 25 micron | Walker Filtration housing A205X25 | Fits Walker Filtration housing A205 X 25 (direct replacement element) | — | — |
| Walker element (E series)11 part numbers · 0 verified | |||||||||
| E1251X5 | Talk to an expert → | A250X5, A305X5 | — | — | — | Walker Filtration housing A250X5, A305X5 | — | — | — |
| E1261X5 | Talk to an expert → | A306X5 | — | — | — | Walker Filtration housing A306X5 | — | — | — |
| E361X5 | Talk to an expert → | A20X5 | — | — | — | Walker Filtration housing A20X5 | — | — | — |
| E371X5 | Talk to an expert → | A30X5 | — | — | — | Walker Filtration housing A30X5 | — | — | — |
| E511X5 | Talk to an expert → | A55X5 | — | — | — | Walker Filtration housing A55X5 | — | — | — |
| E711X5 | Talk to an expert → | A76X5 | — | — | — | Walker Filtration housing A76X5 | — | — | — |
| E731X5 | Talk to an expert → | A106X5 | — | — | — | Walker Filtration housing A106X5 | — | — | — |
| E811X5 | Talk to an expert → | A105X5 | — | — | — | Walker Filtration housing A105X5 | — | — | — |
| E821X5 | Talk to an expert → | A126X5 | — | — | — | Walker Filtration housing A126X5 | — | — | — |
| E831X5 | Talk to an expert → | A153X5, A203X5 | — | — | — | Walker Filtration housing A153X5, A203X5 | — | — | — |
| E851X5 | Talk to an expert → | A205X5 | — | — | — | Walker Filtration housing A205X5 | — | — | — |
| Replacement elements → Ultrafilter FF12 part numbers · 12 verified | |||||||||
| E1251X1 | FF···· Unlock · Quote |
A250X1, A305X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A250X1, A305X1 | Fits Walker Filtration housing A250 X 1, A305 X 1 (direct replacement element) | — | — |
| E1261X1 | FF···· Unlock · Quote |
A306X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A306X1 | Fits Walker Filtration housing A306 X 1 (direct replacement element) | — | — |
| E1281X1 | FF···· Unlock · Quote |
A308X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A308X1 | Fits Walker Filtration housing A308 X 1 (direct replacement element) | — | — |
| E361X1 | FF···· Unlock · Quote |
A20X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A20X1 | Fits Walker Filtration housing A20 X 1 (direct replacement element) | — | — |
| E371X1 | FF···· Unlock · Quote |
A30X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A30X1 | Fits Walker Filtration housing A30 X 1 (direct replacement element) | — | — |
| E511X1 | FF···· Unlock · Quote |
A55X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A55X1 | Fits Walker Filtration housing A55 X 1 (direct replacement element) | — | — |
| E711X1 | FF···· Unlock · Quote |
A76X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A76X1 | Fits Walker Filtration housing A76 X 1 (direct replacement element) | — | — |
| E731X1 | FF···· Unlock · Quote |
A106X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A106X1 | Fits Walker Filtration housing A106 X 1 (direct replacement element) | — | — |
| E811X1 | FF···· Unlock · Quote |
A105X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A105X1 | Fits Walker Filtration housing A105 X 1 (direct replacement element) | — | — |
| E821X1 | FF···· Unlock · Quote |
A126X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A126X1 | Fits Walker Filtration housing A126 X 1 (direct replacement element) | — | — |
| E831X1 | FF···· Unlock · Quote |
A153X1, A203X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A153X1, A203X1 | Fits Walker Filtration housing A153 X 1, A203 X 1 (direct replacement element) | — | — |
| E851X1 | FF···· Unlock · Quote |
A205X1 | — | — | Retention 99.999 % at 0.01 µm, residual oil < 0.1 mg/m³ | Walker Filtration housing A205X1 | Fits Walker Filtration housing A205 X 1 (direct replacement element) | — | — |
| Replacement elements → Ultrafilter SMF12 part numbers · 12 verified | |||||||||
| E1251XA | SMF···· Unlock · Quote |
A250XA, A305XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A250XA, A305XA | Fits Walker Filtration housing A250 XA, A305 XA (direct replacement element) | — | — |
| E1261XA | SMF···· Unlock · Quote |
A306XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A306XA | Fits Walker Filtration housing A306 XA (direct replacement element) | — | — |
| E1281XA | SMF···· Unlock · Quote |
A308XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A308XA | Fits Walker Filtration housing A308 XA (direct replacement element) | — | — |
| E361XA | SMF···· Unlock · Quote |
A20XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A20XA | Fits Walker Filtration housing A20 XA (direct replacement element) | — | — |
| E371XA | SMF···· Unlock · Quote |
A30XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A30XA | Fits Walker Filtration housing A30 XA (direct replacement element) | — | — |
| E511XA | SMF···· Unlock · Quote |
A55XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A55XA | Fits Walker Filtration housing A55 XA (direct replacement element) | — | — |
| E711XA | SMF···· Unlock · Quote |
A76XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A76XA | Fits Walker Filtration housing A76 XA (direct replacement element) | — | — |
| E731XA | SMF···· Unlock · Quote |
A106XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A106XA | Fits Walker Filtration housing A106 XA (direct replacement element) | — | — |
| E811XA | SMF···· Unlock · Quote |
A105XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A105XA | Fits Walker Filtration housing A105 XA (direct replacement element) | — | — |
| E821XA | SMF···· Unlock · Quote |
A126XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A126XA | Fits Walker Filtration housing A126 XA (direct replacement element) | — | — |
| E831XA | SMF···· Unlock · Quote |
A153XA, A203XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A153XA, A203XA | Fits Walker Filtration housing A153 XA, A203 XA (direct replacement element) | — | — |
| E851XA | SMF···· Unlock · Quote |
A205XA | — | — | Retention 99.99999 % at 0.01 µm, residual oil < 0.01 mg/m³ | Walker Filtration housing A205XA | Fits Walker Filtration housing A205 XA (direct replacement element) | — | — |
| Replacement elements → Ultrafilter AK12 part numbers · 12 verified | |||||||||
| E1251AC | AK···· Unlock · Quote |
A250AC, A305AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A250AC, A305AC | Fits Walker Filtration housing A250 AC, A305 AC (direct replacement element) | — | — |
| E1261AC | AK···· Unlock · Quote |
A306AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A306AC | Fits Walker Filtration housing A306 AC (direct replacement element) | — | — |
| E1281AC | AK···· Unlock · Quote |
A308AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A308AC | Fits Walker Filtration housing A308 AC (direct replacement element) | — | — |
| E361AC | AK···· Unlock · Quote |
A20AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A20AC | Fits Walker Filtration housing A20 AC (direct replacement element) | — | — |
| E371AC | AK···· Unlock · Quote |
A30AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A30AC | Fits Walker Filtration housing A30 AC (direct replacement element) | — | — |
| E511AC | AK···· Unlock · Quote |
A55AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A55AC | Fits Walker Filtration housing A55 AC (direct replacement element) | — | — |
| E711AC | AK···· Unlock · Quote |
A76AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A76AC | Fits Walker Filtration housing A76 AC (direct replacement element) | — | — |
| E731AC | AK···· Unlock · Quote |
A106AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A106AC | Fits Walker Filtration housing A106 AC (direct replacement element) | — | — |
| E811AC | AK···· Unlock · Quote |
A105AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A105AC | Fits Walker Filtration housing A105 AC (direct replacement element) | — | — |
| E821AC | AK···· Unlock · Quote |
A126AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A126AC | Fits Walker Filtration housing A126 AC (direct replacement element) | — | — |
| E831AC | AK···· Unlock · Quote |
A153AC, A203AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A153AC, A203AC | Fits Walker Filtration housing A153 AC, A203 AC (direct replacement element) | — | — |
| E851AC | AK···· Unlock · Quote |
A205AC | — | — | Residual oil < 0.003 mg/m³ with appropriate pre-treatment | Walker Filtration housing A205AC | Fits Walker Filtration housing A205 AC (direct replacement element) | — | — |
Technical guidance only
Verify fitness for your specific application and regulatory context before qualifying any replacement.
Each Ultrafilter part number on this page is checked against Walker Filtration documentation and Ultrafilter's own replacement-element data.
For part numbers marked “Talk to an expert”, our filtration engineers recommend the right Ultrafilter element for your housing and application.
Manufactured in Germany. Direct technical support, application-specific configuration, and rapid re-supply for critical filtration lines.
Send us your Walker Filtration part number. We will confirm the Ultrafilter replacement element, spec sheet, and pricing within one business day.
Cross-reference note
Walker Filtration and its product names are trademarks of their respective owner. Ultrafilter GmbH has no affiliation with Walker Filtration. This cross-reference is provided as technical guidance only — verify fitness for your specific application before qualifying any replacement.