Head AS-Rear 1838171 for Caterpillar 3066 and 320C

1838171 is a rear cylinder head for Caterpillar equipment, including the Caterpillar 3066 engine and Caterpillar 320C excavator. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed as a cylinder head assembly for use in Caterpillar engine and excavator applications. The supplied identification is based on the part number 1838171 and the stated fitment to the 3066 and 320C models.

Fitment

• Caterpillar 3066 engine
• Caterpillar 320C excavator

The fitment information identifies the part for the Caterpillar 3066 and 320C applications. Before installation, the part number and the configuration of the engine or machine should be checked against the existing cylinder head.

Cross-reference numbers

The following numbers are listed as cross-reference numbers for 1838171:

• 1838171
• 10R7687
• 5I7520
• 5I8051

Part number 1838171 is the primary identification supplied for this head. Numbers 10R7687, 5I7520, and 5I8051 are included as interchangeable reference numbers associated with the same application.

Specifications