
Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Cylinder Liner Shim Cummins 4311637 | C4311637, CU4311637, CUM4311637
Ensure precise cylinder liner protrusion and optimal engine sealing with this high-quality cylinder liner shim for Cummins ISX15 and QSX15 engines.
Description
High-Performance Cylinder Liner Shim for Cummins ISX15 & QSX15
The Cummins 4311637 cylinder liner shim is a critical component designed to establish and maintain the correct cylinder liner protrusion (liner height) above the engine block deck. Proper liner protrusion is essential for ensuring a reliable combustion seal, preventing head gasket failures, and maintaining optimal compression. This high-quality shim is engineered specifically for heavy-duty Cummins ISX15 and QSX15 diesel engines.
This part is also available under the numbers: C4311637, CU4311637, CUM4311637.
Key Features & Benefits
- Precise Fitment: Designed to perfectly match the specifications of Cummins ISX15 and QSX15 series engines.
- Engineered Durability: Manufactured from premium materials to withstand extreme combustion temperatures and high-pressure environments.
- Reliable Sealing: Helps restore stable cylinder sealing, improving heat transfer and preventing costly combustion leaks or blow-by.
- Essential for Overhauls: An indispensable component during engine rebuilds, repairs, and cylinder liner replacements.
Engine Compatibility
- Cummins ISX15
- Cummins QSX15
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 4311637
- C4311637
- CU4311637
- CUM4311637

