The MF 290 Perkins A4.248 uses the same two-stage fuel filtration setup as the MF 265 and MF 390.
Primary filter: OEM 1447082M1. Sediment bowl pre-filter; replace every 400 hours or when contamination is visible.
Secondary filter: OEM 3637380M1. Injection pump protection; replace every 200 hours.
Bleeding: After replacement, loosen the secondary filter head bleed screw and operate the hand primer until fuel runs clear of air. Retighten, then start the engine. Hard starting after a filter change almost always means trapped air — bleed again.
Fuel quality: The A4.248 injection pump is sensitive to contaminated fuel. Use a clean funnel and filtered fuel storage. Water in the injector pump causes expensive scoring of the precision-fit components.
Cross-Reference Table
| Supplier | Part Number | Fit | Notes | |
|---|---|---|---|---|
| Wix | 33117 | Drop-in | Secondary filter — fits 1447082M1 / 3637380M1 | |
| Baldwin | BF7632 | Drop-in | Secondary filter | |
| Fram | P4003 | Drop-in | Secondary filter | |
| Donaldson | P551010 | Drop-in | Secondary filter | |
| Fleetguard | FF5018 | Drop-in | Secondary filter | |
| Mann | WK 940/13 | Drop-in | Secondary filter |
Specifications
- Change interval
- Secondary: 200 hours. Primary: 400 hours or as needed.
- Notes
- Bleed air after replacement. Protect injection pump from water contamination.
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