Caterpillar — Engine Air Cleaner Element (Single Element) - Replace
Maintenance
From a Caterpillar owner's manual covering: C3.3, C3.3 Rental Generator Set, C4.4, C4.4 Rental Generator Set, D4D1-Up, GLE1-Up, N3X1-UP, N4R1-Up, N4X1-Up, X3B1-UP, XYC1-Up, XYD1-Up. Check it applies to your exact model before use.
Applies to: Caterpillar C3.3, Caterpillar C4.4
Before you start
- Never run the engine without an air cleaner element installed
- Never service the air cleaner element with the engine running
- Do not use air cleaner elements with damaged pleats, gaskets or seals
Parts for this job
- 263-1285 Air filter — Caterpillar C3.3 Amazon eBay
- 211-2660 Air filter — Caterpillar C4.4 eBay $25.17 NAPA $42.90
Part numbers from the service-parts lists for Caterpillar C3.3, Caterpillar C4.4. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Unfasten latches (1). Remove cover (2).
- Remove air cleaner element (3).
- Inspect replacement element for damage, dirt and debris.
- Install a clean, undamaged air filter element (3); ensure proper seating in housing.
- Install cover (2). Fasten latches (1).
Full service-parts list: Caterpillar C3.3 →, Caterpillar C4.4 →
Source: Caterpillar owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.