Smart boaters fix it right the first time. This factory GROMMET Component Of Engine Gasket Set [27-827014A97] ensures professional results even for DIY installation – we’ll help verify it’s the right part.

Designed and manufactured to Mercury Marine OEM standards, this gasket ensures reliable operation across all engine RPM ranges. Part number 811553 is manufactured to exact Mercury Marine factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials designed to withstand harsh saltwater and freshwater environments.

Factory parts exist for a reason — they work. Part 811553 undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

Compatible Mercury Marine Engines

FITS: 454-500HP MERCRUISER, RACE STERNDRIVE (EFI)

• Fits MERCRUISER, RACE STERNDRIVE 454-500HP engines
• Compatible HP: 454HP, 500HP
• Model types: EFI
• Covers 24 serial number ranges
• Configurations: Outboard, Sterndrive
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

454HP Models

• 454HP EFI (Mercruiser): 0F115700-0F802349, 0F215800-0F820099
• 454HP MAG MPI BRAVO (Mercruiser): 0L010029-0L058399
• 454HP OUTBOARD (Mercruiser): 0D805069-0F304999, 0F305000-0F801699, 0F801700-0K999999, 0F802350-0K999999, 0F820100-0K999999, 0L085400-0M024999, 0L002200-0L086049, 0L086050-0L674000

500HP Models

• 500HP EFI (Race Sterndrive): 0L001496-0L306499, 0L306500-0L307027, 0L307028-0L602036, 0M050001-0M050853, 0M052001-0M053628
• 500HP STERNDRIVE (Race Sterndrive): 0L414639-0L601036, 0F615767-0F745159, 0F745195-0F877722, 0K000001-0L000737, 0L000768-0L001772, 0K000248-0L001607, 0L414620-0M050281, 0C577254-0F745405

Need help finding your serial number? Check our serial number location guide for step-by-step instructions on locating it on your Mercury engine.

Verification & Support

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