Interstate McBee - CAT C10/C11/C12/C13 (1YN, 2KS, 9NS) Rear Structure Gasket Kit - M-2266620

INTERSTATE McBEE – Rear Structure Gasket Kit – M-2266620

Overview:
The Interstate-McBee Rear Structure Gasket Kit (M-2266620) is engineered for Caterpillar® C10, C11, C12, and C13 engine platforms, including serial prefixes 1YN, 2KS, and 9NS. This kit includes the essential gaskets and seals needed to maintain the integrity of the engine’s rear structure—an area critical to oil containment and component alignment. Whether you're rebuilding or performing scheduled maintenance, Interstate-McBee delivers the durability and fitment you can trust.

Key Features:

• Compatible with CAT® C10/C11/C12/C13 engines (1YN, 2KS, 9NS)

• Designed to seal the rear engine structure and components

• Meets or exceeds OEM quality standards

• Ideal for trucking, construction, and marine applications

• Backed by Interstate-McBee’s industry-leading warranty

Kit Includes (BOM Parts List):

• M-4H7869 – Starter Gasket (1)

• M-5P7701 – O-Ring Seal (1)

• M-5P7814 – O-Ring Seal (1)

• M-7C1583 – Crankshaft Group Gasket (1)

• M-619455 – O-Ring Seal (1)

• M-1076280 – Gear Seal (1)

• M-1558725 – Starter Motor Gasket (1)

• M-2264757 – Rear Crankshaft Seal (1)
  

• CG112PAD – Pad (2)⚠️ Opened packages are not eligible for return.