1039686 Connecting Rod Bearing for Caterpillar

The 1039686 connecting rod bearing is a copper bonded bearing used in Caterpillar equipment. It is installed in applications listed for Caterpillar engines and machines, including excavators and track-type loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 1039686 and is intended for use where the Caterpillar equipment part number 1039686 is specified. The available fitment information covers several Caterpillar machine models and series; verification against the machine serial number and engine configuration is recommended before installation.

Fitment

The connecting rod bearing is listed for the following Caterpillar equipment models:

• Caterpillar 3046
• Caterpillar 315C
• Caterpillar 317B L
• Caterpillar 317B LN
• Caterpillar 318B
• Caterpillar 318B N
• Caterpillar 933
• Caterpillar 933C
• Caterpillar 939
• Caterpillar 939C

The listed applications include Caterpillar engine-machine equipment, excavators, and track-type loaders. Model designation alone may not identify every component variation, so the part number should be matched with the equipment parts documentation or the installed bearing before assembly.

Cross-reference numbers

Part number 1039686 is the available Caterpillar equipment reference for this bearing. The CTP SKU uses the same number for identification. No additional supplier numbers or separate cross-reference numbers are provided in the available product data.

Specifications

The dimensional values and weight are the available product data for SKU 1039686. Position within the machine is the connecting rod bearing location in the engine assembly. Installation details, clearance values, bearing thickness, journal size, and engine-specific assembly requirements are not specified in the supplied information.