Exhaust Manifold Compatible with MerCruiser GM V8 305 350 CID 5.0L 5.7L Small Block Stern Drive Marine Engine Exhaust System Manifold and Riser Gaskets GLM 39910 18-0604 Gasket Set

GM V8 305/350 CID STERN DRIVE APPLICATIONS:
• MerCruiser MCM 5.0L (305 CID) V8 Stern Drive — All Years
• MerCruiser MCM 5.7L (350 CID) V8 Stern Drive — All Years
• MerCruiser MIE 5.0L/5.7L V8 Inboard Applications
• Volvo Penta 5.0L/5.7L GM V8 Stern Drive Applications
OEM PART NUMBERS:
• GLM: 39910
• Sierra: 18-0604
SPECIFICATIONS:
• Product Type: Exhaust Manifold Gasket Set
• Engine: GM V8 305/350 CID (5.0L/5.7L) Small Block
• Application: MerCruiser, Volvo Penta Stern Drives
• Includes: Complete Manifold and Riser Gasket Set
• Material: Premium Marine-Grade Gasket Material
• Quality: Meets or Exceeds OEM Specifications
• Condition: New
GM 5.0L/5.7L V8 Exhaust Manifold Gasket Set — MerCruiser / Volvo Penta:
Complete exhaust manifold gasket set for GM small block V8 marine engines in MerCruiser and Volvo Penta stern drive applications. Covers both 305 CID (5.0L) and 350 CID (5.7L) configurations. Marine-rated gasket material engineered for high-temperature exhaust sealing in saltwater and freshwater marine environments. Drop-in replacement for GLM 39910. Designed for professional marine mechanics and DIY boaters performing exhaust manifold and riser service.

⚠️ IMPORTANT: Verify OEM part number before ordering to ensure proper fitment.