1P6687 Pre-Combustion Chamber Gasket

The 1P6687 Pre-Combustion Chamber Gasket is a gasket used with Caterpillar equipment. It is fitted to machinery and tractors manufactured by Caterpillar, including wheel skidders and skidding tractors listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a pre-combustion chamber gasket and is intended for use in the corresponding engine assembly of compatible Caterpillar machines. The product SKU is 1P6687.

Fitment

The gasket is listed for the following Caterpillar equipment models and machine series:

• Caterpillar 120C wheel skidder
• Caterpillar 518 wheel skidder
• Caterpillar 528 wheel skidder
• Caterpillar FB518 wheel skidder
• Caterpillar 120C skidding tractor
• Caterpillar 125C skidding tractor

The 120C model is listed in both the wheel skidder and skidding tractor equipment categories. Fitment should be checked against the machine model and the part number marked in the service documentation before installation.

Cross-reference numbers

The following number formats are associated with this gasket:

The hyphenated and unhyphenated forms refer to the same listed part number format: 1P-6687 and 1P6687.

Specifications

The supplied dimensional data is recorded as length 0.5 cm, width 0.25 cm, and depth 0.24 cm. The listed weight is 0.5 lb. The product data does not specify the gasket material, sealing compound, bolt pattern, or installation torque.