8N1985 Connecting Rod Bearing

The 8N1985 is a connecting rod bearing for Caterpillar engine equipment. It is used in Caterpillar engines installed in generator sets, generators, and industrial engine applications, including the G3306, G3304, G3306B, 3304, 3306, D330C, D333C, and SR4 models or engine series listed below.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is identified by SKU 8N1985 and belongs to the engine bearings category.

Fitment

• Caterpillar G3306 engine
• Caterpillar G3304 engine
• Caterpillar G3306B engine
• Caterpillar 3304 engine
• Caterpillar 3306 engine
• Caterpillar D330C engine
• Caterpillar D333C engine
• Caterpillar SR4 generator or engine application

The listed applications cover Caterpillar engine-generator sets, Caterpillar generator equipment, and Caterpillar industrial engines. The component is a connecting rod bearing intended for installation in the engine assembly. Compatibility should be checked against the machine or engine identification data and the existing bearing number before installation.

Cross-reference numbers

The number 8N1985 is used to identify the connecting rod bearing in the supplied equipment and aftermarket reference data. The same number may appear with or without a hyphen as 8N-1985 in parts catalogues and listings.

Specifications

The supplied dimensions are length 5.8 cm, width 4.9 cm, and depth 6.1 cm. The stated weight is 0.2 lb. No additional information about bearing material, shell coating, clearance, thickness, oversize designation, or included components is provided for this part.

For correct selection, compare the 8N1985 reference, the Caterpillar engine model, and the dimensions of the removed connecting rod bearing. The fitment information applies to the models and equipment applications specified in this description.