Generac QT 3.9L 40kW — Changing the Engine Air Cleaner
Maintenance
For the Generac QT 3.9L 40kW, from the Generac owner's manual.
Applies to: Generac QT 3.9L 40kW, Generac QT Series, Generac V-type engine
Parts for this job
- 0A4637 Air filter — Generac QT 3.9L 40kW Amazon eBay $49.95 NAPA $13.61
- 0A4637 Air filter — Generac QT Series Amazon eBay $49.95 NAPA $13.61
Part numbers from the service-parts lists for Generac QT 3.9L 40kW, Generac QT Series. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Remove the air cleaner cover.
- Replace the air filter, making sure it is positioned properly.
- Reattach the cover.
Specs & values
- Engine air cleaner part number 0A4637 Amazon eBay $49.95 NAPA $13.61
Full service-parts list: Generac QT 3.9L 40kW →, Generac QT Series →
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.