455-1186 Major Overhaul Foundational Kit for C18 Marine Engines{1000} Caterpillar

Marine Engine:

C18 MARINE (S/N: GES1-UP)

C18 MARINE ENG (S/N: J2K1-UP; T2P1-UP)

Introduction

This Special Instruction is intended to provide information on the Engine Overhaul Kit Consist and detailed information on specific parts that should be used based on engine arrangements.

This Engine Overhaul Kit may contain extra parts and extra quantities due to the variety of engine arrangements assigned to a given kit. Refer to the corresponding Parts Manual or Disassembly and Assembly manual in Table 1.

Note: This Kit may contain upgraded parts. These upgraded part numbers may be different than what you have in the parts manual or engine, but these parts have been technically reviewed for compatibility with your application.

Note: This kit contains gasket kits and includes additional parts needed to perform an engine overhaul.

Note: For more information, visit us at: catmarinesupport.com.

Note: For assistance with technical questions, contact your local Cat dealer.

Reference Material

Note: For ordering reference material, contact your local Cat dealer.

C18 455-1186 Major Overhaul Kit Consist

C18 Engine Gasket Kit Locations

Illustration 1	g03700397
(1) Single Cylinder Head ( 455-9998 Gasket Kit ) (2) Aftercooler and Lines Kit ( 455-1617 Gasket Kit ) (3) Heat Exchanger ( 453-2313 Gasket Kit ) (4) Central and Lower Structure ( 455-1871 Gasket Kit ) (5) Oil Cooler and Lines ( 455-3631 Gasket Kit ) (6) Rear Structure ( 417-9667 Gasket Kit )

Gasket Kit Consists

Rear Structure (417-9667 Gasket Kit)

Refer to Illustration1.

Heat Exchanger (453-2313 Gasket Kit)

Refer to Illustration1.

Oil Cooler and Lines (455-3631 Gasket Kit)

Refer to Illustration1.

Central and Lower Structure (455-1871 Gasket Kit)

Refer to Illustration1.

Aftercooler and Lines (455-1617 Gasket Kit)

Refer to Illustration1.

Single Cylinder Head (455-9998 Gasket Kit)

Refer to Illustration1.