Cummins/Onan — Standard Air Cleaner Replacement
Maintenance
From a Cummins/Onan owner's manual covering: 230NT2, 230NT4, 250NT3, 275NT6, 275NTA1, 300NTA2, 350NTTA2, NT-855, NTA-855, NTTA-855-G2. Check it applies to your exact model before use.
Applies to: Cummins/Onan 350NTTA2, Cummins/Onan NT-855-G2 engine, Cummins/Onan NT-855-G4 engine, Cummins/Onan NT-855-G3 engine, Cummins/Onan NT-855-G6 engine, Cummins/Onan NTA-855-G1 engine, Cummins/Onan NTA-855-G2 engine, Cummins/Onan NTTA-855-G2 engine
Parts for this job
Part numbers from the service-parts list for Cummins/Onan 350NTTA2. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Loosen the strap fastening the air intake elbow to the air cleaner housing.
- Disconnect intake elbow by moving it straight away from the air cleaner.
- Remove air cleaner from mounting plate and discard.
- Reassemble a new air cleaner to mounting plate; secure fasteners.
- Reassemble air intake elbow to air cleaner housing; secure mounting strap.
Full service-parts list: Cummins/Onan 350NTTA2 →
Source: Cummins/Onan 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.