Description:
High-quality Cummins 4089649 upper engine head gasket set designed for B-Series 5.9L diesel engines. Ensures reliable sealing of cylinder head, valve cover, and intake components, preventing leaks and maintaining engine performance in heavy-duty applications.
Features:
Part Number: 4089649
Product Type: Upper Engine / Head Gasket Set
Engine Compatibility: Cummins 4B, 6B, ISB, QSB (5.9L and variants)
Engine Range: Post-2003 (Top Hat Seal design)
Material: Multi-layer steel (MLS) + composite gaskets
Includes:
Cylinder head gasket
Valve cover gasket
Intake/exhaust manifold gaskets
Seals & O-rings
Condition: OEM / Aftermarket
Brand: Cummins
