Generac NP-66G — Change Oil Filter
Maintenance · Engine
For the Generac NP-66G, from the Generac owner's manual.
Applies to: Generac NP-66G, Generac GN-480 engine
Parts for this job
- 70185 Oil filter Amazon eBay $18.99 NAPA $9.09 KuduParts $11.00
Part numbers from the service-parts list for Generac NP-66G. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Turn oil filter counterclockwise to remove.
- Coat gasket of new filter with engine oil.
- Turn new filter clockwise until its gasket contacts tightly with the filter adapter.
- Tighten with an additional 3/4 to one turn by hand.
- Run engine and check for leaks.
Specs & values
- FRAM PH #3614
Full service-parts list: Generac NP-66G →
Source: Generac 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.