8L9757 Gasket for Caterpillar Equipment

8L9757 is a jacketed gasket used with Caterpillar engines, industrial engines, engine and generator kits, and ship equipment. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The gasket is identified by the Caterpillar part number 8L9757 and the hyphenated designation 8L-9757. The available application data groups the compatible equipment by engine and machine use.

Fitment

The gasket is listed for the following Caterpillar equipment and engine models.

• Engine and generator kits: D379B, D398B, D399.
• Ship equipment: D379A, D379B, D398A, D398B, D399.
• Industrial engines: D379, D379B, D398, D398B, D399, G379, G379A, G398, G399.

Model designations are shown according to the supplied application information. Fitment should be checked against the equipment model and the part number installed on the engine or assembly.

Cross-reference numbers

Specifications

The listed dimensions and hole sizes refer to the supplied product data. The material specification is stainless steel/rubber, and the gasket type is jacketed. The application list includes D-series and G-series Caterpillar engine models as specified above.