SIERRA GM 3.0L Marine Engine Oil Pan Gasket – 18-1239

Description

SIERRA GM 3.0L Marine Engine Oil Pan Gasket – 18-1239

Oil pan gasket for later GM/Chevrolet 3.0L marine engines, including many MerCruiser, OMC and Volvo Penta installations. It seals the oil pan to the cylinder block and is intended for engines using the later one-piece rear-main-seal configuration.

• Oil pan-to-block gasket
• For later GM 3.0L marine engines
• Common MerCruiser/OMC/Volvo Penta application
• Use on clean, flat oil-pan rails
• Verify rear-main-seal style before ordering

For marine engine and drive parts, fitment can vary by serial number, gear ratio, casting, or prior service history. Compare the original part number and physical configuration before installation; replace related gaskets, seals, races or hardware when their condition requires it.

Specifications

• Manufacturer: Sierra
• Part Number: 18-1239
• Application: GM/Chevrolet 181 CID 3.0L marine engines, commonly 1990-and-newer one-piece rear-main-seal applications; verify engine build.

Interchange / OEM References

• MerCruiser 27-810846T
• MerCruiser 27-810846
• OMC 3853343
• OMC 914820
• Volvo Penta 3853343
• Mallory 9-61500