9X3978 O-ring for Caterpillar Gas Engines

9X3978 is an O-ring spare part for gas engines manufactured by Caterpillar. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The available equipment application data identifies this O-ring for the Caterpillar G3600 gas engine series, including models G3606, G3606B, G3608, G3612, and G3616. The part number associated with the product is 9X3978.

Fitment

• Caterpillar G3606 gas engine
• Caterpillar G3606B gas engine
• Caterpillar G3608 gas engine
• Caterpillar G3612 gas engine
• Caterpillar G3616 gas engine

The listed applications refer to Caterpillar gas engines. The available product data does not specify a particular engine assembly, housing, connection, or installation position for the O-ring. Selection should therefore be checked against the part number and the service documentation for the applicable engine configuration.

Cross-reference numbers

No additional Caterpillar or other supplier cross-reference numbers are provided in the available product data. The number 9X3978 is retained as the identifying number for this part.

Specifications

The supplied dimensions are listed as length, width, and depth. No inner diameter, outer diameter, cross-section diameter, material specification, hardness, temperature range, thread specification, or installation kit contents are provided for this product.