Cummins/Onan A052J727 — Replacing the Fuel Filter
Maintenance · Fuel system
For the Cummins/Onan A052J727, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan MDKD
Before you start
- Accidental or remote starting can cause severe personal injury or death.
Parts for this job
- 149-1914-05 Fuel filter Amazon eBay $41.25
Part numbers from the service-parts list for Cummins/Onan MDKD. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Disconnect the negative battery cable.
- Open the front access door.
- Close any fuel supply and return valves.
- Spin off the old filter with a filter wrench.
- Clean the filter base and lubricate the new gasket.
- Hand tighten the new filter.
- Open the fuel valves and prime at least 30 seconds.
- Check for leaks; retighten by hand if necessary.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Prime at least 30 seconds
Full service-parts list: Cummins/Onan MDKD →
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.