Sierra 18-0954 Exhaust Elbow Gasket for MerCruiser Marine Engines

The Sierra 18-0954 is a precision-engineered exhaust elbow mounting gasket designed for MerCruiser marine engines. This critical component creates a reliable seal between the exhaust manifold and elbow, preventing exhaust leaks and maintaining optimal engine performance in the demanding marine environment.

Key Features:

• Machined to perfectly match head and block surfaces for a reliable seal
• Manufactured to meet or exceed OEM specifications
• Direct replacement for MerCruiser 27-92720
• Designed for MerCruiser 224 (3.7L) CID and 470 series engines
• Essential replacement component when servicing exhaust manifolds and risers

Cross-Reference Numbers:

• MerCruiser: 27-92720, 27-92720A1
• Barr: MC47-27-92720
• GLM: 32630
• Mallory: 9-61415

Sierra gaskets are engineered to provide professional-grade sealing performance for both trained marine technicians and DIY mechanics. Always replace exhaust gaskets when inspecting or servicing exhaust manifolds, elbows, and risers to ensure proper sealing and prevent costly exhaust system failures.