Mahle - Engine Cylinder Head Gasket Set - HS3678

Mahle Engine Cylinder Head Gasket Set – HS3678

The Mahle HS3678 is a reliable, OEM-standard cylinder head gasket set designed for a wide range of Chevrolet, GMC, and AM General trucks, vans, and SUVs from the early 1980s through the early 1990s. Ideal for top-end engine service on small block V8 gasoline engines, this set includes all the essential gaskets and seals required for a proper head gasket replacement—excluding head bolts.

Engineered with composite and solid core materials, Mahle provides dependable sealing performance for older V8 platforms, making it perfect for restoration or high-mileage maintenance.

Key Features:

• Item Grade: OEM Standard

• Cylinder Head Gasket Material: Solid Core Composite

• Exhaust Manifold Gasket Material: Composite

• Intake Manifold Gasket Material: Paper

• Torque-to-Yield Bolts Required: No

• Cylinder Head Bolts Included: No

• Includes: Miscellaneous upper engine gaskets and seals for a complete reseal

Vehicle Fitment:

AM General:

• Hummer (1992–1993)

GMC:
C/K Series, Suburbans, G-Series Vans, Jimmy, P-Series Chassis, R/V Trucks (1982–1993)
Models include: C1500, K2500, G3500, R3500, V1500 Suburban, and more

Chevrolet:
Blazer, C/K Series Pickups, Suburbans, G-Series Vans, K5 Blazer, P-Series, R/V Series (1982–1993)
Models include: C10, K1500, C3500HD, P30, V3500, and many more

OEM Reference Numbers – General Motors:

• 12516165

• 14067685

Note: This set does not include head bolts. Please verify fitment by engine VIN or build code before ordering.

📦 Return Policy Notice:
Due to the sensitive nature of gasket sets, any opened packaging will void eligibility for return. Please verify fitment before opening.

📞 Call 1-800-228-8482 or 📧 Email parts@southcentraldiesel.com for application support or to bundle with cylinder head bolts and additional components.