Description
SIERRA 1 in ID Stern Drive/Inboard Rubber Cap – 18-0549
The SIERRA 18-0549 is a 1 in inside-diameter molded rubber cap used on applicable V8 stern-drive and inboard installations. It is a direct service replacement for multiple OMC and Volvo Penta references and is intended to close and seal the specified fitting or passage.
- 1 in / 25.4 mm inside diameter
- For applicable V8 stern-drive and inboard models
- Commonly listed for 1977-and-newer applications
- Molded rubber service cap
- Cross-references OMC and Volvo Penta OEM numbers
Confirm the engine or drive model and serial number against the listed OEM interchange before ordering; closely related marine engines can use different gaskets or seals across production changes.
Specifications:
- Product type: rubber cap
- Inside diameter: 1 in / 25.4 mm
- Application: V8 stern drive and inboard, application dependent
Interchange / Cross-Reference:
- GLM 22290
- Mallory 9-42720
- OMC 909829
- OMC 3852476
- OMC 908488
- Volvo Penta 3852476
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