Upper Cylinder Head Gasket Kit for Cummins 15L ISX QSX 4955596 4089169 4352145

Upper Cylinder Head Gasket Kit for Cummins

This upper cylinder head gasket kit for Cummins provides high-quality sealing components for 15L ISX and QSX engines, cross-referencing OEM part numbers 4955596, 4089169, and 4352145.

Overview

This heavy-duty upper cylinder head gasket kit for Cummins delivers reliable combustion chamber sealing to prevent coolant and oil leaks. Engine rebuilders trust this upper cylinder head gasket kit for Cummins to handle the high pressures of large-displacement commercial diesel engines. Utilizing a premium upper cylinder head gasket kit for Cummins during top-end overhauls ensures long-lasting operation and optimal compression.

Built For Performance

• Multi-layer steel construction engineered to withstand extreme combustion pressures
• Advanced elastomeric coatings to ensure excellent micro-sealing capabilities
• High-temperature resistance prevents premature seal degradation and blowout
• Complete set including cylinder head gasket and essential upper-engine seals

Fits These Machines

• for Cummins 15L ISX
• for Cummins QSX

On-The-Job Use

• Performing top-end engine overhauls on heavy-duty commercial trucks
• Replacing blown head gaskets to restore proper compression and fluid isolation
• Rebuilding industrial power generation engines during major scheduled servicing

Specs At A Glance

Good To Know

Q: Why is a head gasket replacement critical after overheating? A: Overheating can warp engine components and damage head gaskets, leading to catastrophic coolant-to-oil mixing. Replacing the gasket restores vital fluid boundaries.

Q: Do I need to clean the cylinder head surface before installing this kit? A: Yes, a completely clean and flat mating surface is absolutely necessary to achieve a reliable seal with this gasket kit.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.