Cummins/Onan — Replacing the Zinc Anode
Maintenance
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan MDKB, Kubota D1105 engine, Kubota V1305 engine, Kubota V1505 engine, Kubota V1903B engine, Kubota V2203B engine, Kubota V2803B engine
Procedure
- Replace the zinc anode as recommended in the periodic maintenance schedule.
- Use thread sealant on the zinc plug and drain plugs.
- Replace the clean out cover gaskets if the old ones are torn or otherwise damaged.
Full service-parts list: Cummins/Onan MDKB →, Kubota D1105 engine →, Kubota V1305 engine →, Kubota V1903B engine →
Source: Cummins/Onan service 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.