Cummins/Onan — Fuel Filter(s) Replacement

Maintenance

From a Cummins/Onan owner's manual covering: K1800, K2000E, K38, K50, KT38, KTA38, KTA50, KTTA38, KTTA50, KtA38, KtA50, KttA38. Check it applies to your exact model before use.

Applies to: Cummins/Onan K38, Cummins/Onan K50, Cummins/Onan KTA38, Cummins/Onan KTA50, Cummins/Onan K38 and K50 engine

Procedure

1. Clean the area around the fuel filter head and replace the fuel filter(s).
2. Use a filter wrench, Part No. 3375049, to remove the fuel filter.
3. Clean the filter head gasket surface with a clean, lint-free towel.
4. Apply a light film of clean engine oil to the filter gasket surface.
5. Fill the filter with clean fuel.
6. Install the filter on the filter head and tighten until the gasket contacts the filter head surface.
7. Tighten the filter per the filter manufacturer's instructions.

Full service-parts list: Cummins/Onan K38 →, Cummins/Onan K50 →, Cummins/Onan KTA38 →, Cummins/Onan KTA50 →

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.

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