Cummins/Onan — Oil Filters (Full Flow and Bypass) - Replace (02-11)
Maintenance
From a Cummins/Onan service manual covering: K 19, K19, KTA19, KTA19-M, KTA19G2, KTTA19, Kt19. Check it applies to your exact model before use.
Applies to: Cummins/Onan K 19, Cummins/Onan Kt19, Cummins/Onan K19 engine
Before you start
- Do not use Fleetguard No. LF 3325 filters on K19 engines. The cannister seam will touch the head before the seal touches the sealing surface. An oil leak will result.
Parts for this job
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
- Use an oil filter wrench, Part No. 3375049, or equivalent. Remove the full flow oil filters.
- Discard the filters if they are not needed for a failure analysis.
- Clean the oil filter head surface.
- Use engine oil to lubricate the gasket surface of the filters.
- Fill the filters with clean 15W-40 oil. Install the filters on the oil filter head.
- Turn the filter until the seal contacts the head. Turn an additional three-fourths of a turn to one turn.
- Operate the engine and check for leaks.
Tools required
- Oil Filter Wrench Part No. 3375049 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Turn an additional three-fourths of a turn to one turn after seal contact
Full service-parts list: Cummins/Onan K 19 →, Cummins/Onan Kt19 →
Source: Cummins/Onan service 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.