Cummins/Onan — Fuel Filter (Spin-On Type) - Remove and Install
Maintenance
From a Cummins/Onan owner's manual covering: M11, M1i Series Engines, ps200da. Check it applies to your exact model before use.
Applies to: Cummins/Onan M11 engine
Before you start
- Mechanical overtightening of the filter can distort the threads or damage the filter element seal.
Procedure
- Clean the area around the fuel filter head and filter.
- Remove the fuel filter with filter wrench, Part No. 3376807.
- Remove the thread adapter sealing ring.
- Use a clean, lint-free towel to clean the filter head gasket surface.
- Install a new thread adaptor sealing ring supplied with the new filter.
- Apply a light coating of clean engine oil to the filter gasket surface.
- Fill the filter(s) with clean fuel.
- Install the filter until the gasket contacts the filter head surface.
- Tighten an additional one-half to three-fourths of a turn.
Tools required
- Filter wrench, Part No. 3376807 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.