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.