Cummins/Onan — Fuel Filter(s) Replace
Maintenance
From a Cummins/Onan owner's manual covering: K 19, K19, K19 Series, KTA19, KTTA19, Kt19. Check it applies to your exact model before use.
Applies to: Cummins/Onan K 19, Cummins/Onan Kt19, Cummins/Onan K19 Series (KT19/KTA19/KTTA19) engine, Cummins/Onan KT19 engine, Cummins/Onan KTA19 engine
Parts for this job
- 3810313-00 Fuel filter — Cummins/Onan K 19 Amazon eBay
- 25 050 07-S Fuel filter — Cummins/Onan Kt19 buy
Part numbers from the service-parts lists for Cummins/Onan K 19, Cummins/Onan Kt19. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Clean area around fuel filter head.
- Remove fuel filter using filter wrench Part No. 3375049.
- Clean filter head gasket surface with clean lint-free towel.
- Apply light film of clean engine oil to filter gasket.
- Fill filter with clean fuel.
- Install filter until gasket contacts head, then tighten 1/2 to 3/4 turn.
Tools required
- 3375049 Oil Filter Wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Tighten 1/2 to 3/4 turn after gasket contact
Full service-parts list: Cummins/Onan K 19 →, Cummins/Onan Kt19 →
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.