1W3900 Gasket for Caterpillar Equipment

1W3900 is a beaded gasket used on Caterpillar equipment, including articulated dump trucks, Challenger machines, earthmoving compactors, and engine-machine applications. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed under the Caterpillar equipment reference number 1W3900. The gasket is supplied as an individual sealing component; the available product data does not specify additional components included with the part or a particular installation position.

Fitment

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

• Caterpillar D250E articulated dump truck
• Caterpillar D250E II articulated dump truck
• Caterpillar D300E articulated dump truck
• Caterpillar D300E II articulated dump truck
• Caterpillar 65C Challenger
• Caterpillar 65D Challenger
• Caterpillar 816F earthmoving compactor
• Caterpillar 815B earthmoving compactor
• Caterpillar 815F earthmoving compactor
• Caterpillar 3304 engine-machine application

Equipment category references associated with this part include Caterpillar articulated dump trucks, Caterpillar Challenger machines, Caterpillar earthmoving compactors, and Caterpillar engine-machine applications. Compatibility should be checked against the machine model and the installed component before assembly.

Cross-reference numbers

• 1W3900
• 1W-3900

1W3900 and 1W-3900 are the documented number formats for this gasket. The hyphenated format identifies the same reference number as the non-hyphenated SKU format.

Specifications

The stated dimensions are 68 cm in length, 37 cm in width, and 0.08 cm in depth. The listed weight is 0.5 lb. No additional information is provided for material composition, thread specifications, sealing medium, bolt pattern, operating temperature, or the exact assembly location.