Sierra 18-8553 Marine Exhaust Elbow Hardware Kit with Mounting Bolts

The Sierra 18-8553 Manifold Hardware Kit is a marine-grade exhaust elbow bolt and hardware kit designed for use with GM V8 Small Block inboard engine exhaust systems. This kit provides the essential fastening hardware needed when servicing or replacing manifold elbows on marine inboard engines, ensuring a secure and leak-free exhaust connection.

Key Features:

• Includes exhaust elbow mounting bolts and associated hardware for manifold elbow installation
• Designed for use with Sierra 18-1902 and 18-1903 exhaust manifolds
• Compatible with the Sierra 18-1921 Manifold Elbow for GM V8 Small Block engines
• Meets or exceeds original equipment specifications for reliable, long-lasting performance
• Corrosion-resistant construction suited for the harsh marine environment

Compatible Sierra Components:

• 18-1902 Exhaust Manifold
• 18-1903 Exhaust Manifold
• 18-1921 Manifold Elbow (GM V8 Small Block)
• 18-8534 Exhaust Elbow Mounting Kit
• 18-0943-2 Exhaust Elbow Gasket

Sierra International is a trusted name in marine replacement parts, and the 18-8553 hardware kit is engineered to meet or exceed OEM standards. Use this kit alongside the appropriate gaskets and mounting kits for a complete, professional exhaust elbow service.