Cummins/Onan 10W30 — Oil Filter Change
Maintenance · Engine oil filter
For the Cummins/Onan 10W30, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan GGHE, Cummins/Onan GGHF, Cummins/Onan WSG-1068 engine
Before you start
- Used oil and filters must be disposed of properly to avoid environmental damage and clean-up liability.
Parts for this job
- 123-2185 Oil filter — Cummins/Onan GGHE Amazon eBay
- 123-2185 Oil filter — Cummins/Onan GGHF Amazon eBay
Part numbers from the service-parts lists for Cummins/Onan GGHE, Cummins/Onan GGHF. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Spin off oil filter and discard it in accordance with local environmental regulations.
- Thoroughly clean filter mounting surface.
- Apply a thin film of oil to filter gasket and install new element.
- Spin element on by hand until gasket just touches mounting pad, then turn an additional 1/2 to 3/4 turn. Do not overtighten.
- With oil in crankcase, start engine and check for leaks around filter element.
- Retighten only as much as necessary to eliminate leaks but do not overtighten.
Specs & values
- Turn additional 1/2 to 3/4 turn after gasket contacts mounting pad
Full service-parts list: Cummins/Onan GGHE →, Cummins/Onan GGHF →
Source: Cummins/Onan operator'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.