- Epoxy coating on all canisters for corrosion resistance
- Heavy-wall steel canister for further corrosion protection
- High-efficiency filter media that meets or exceeds the OE's filtration
- Backed by Sierra's industry leading warranty
Anti-Drain-Back Valve eliminates dry starts, prevents oil from draining back into crankcase during engine shutdown.
See Sierra's catalog for current application information.
| Brand | Dometic / Sierra Engine Parts |
| Replaces | Westerbeke |
| Application | 20mm x 1.5 |