4D0306 Beaded Gasket for Caterpillar Equipment

4D0306 is a beaded gasket used in Caterpillar equipment, including autograders, wheeled tractor-scrapers, and track loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

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

• Autograders: 120B, 140B
• Wheeled tractor-scrapers: 641B, 650B, 651, 651B, 651E, 657, 657B, 657E, 657G, 660B, 666, 666B
• Wheeled tractor-scrapers: 621, 621B, 621E, 621F, 621G, 621R, 621S
• Wheeled tractor-scrapers: 623, 623B, 623E, 623F, 623G
• Wheeled tractor-scrapers: 627, 627B, 627E, 627F, 627G, 627H
• Wheeled tractor-scrapers: 631C, 631D, 631E, 631G
• Wheeled tractor-scrapers: 633C, 633D, 633E II
• Wheeled tractor-scrapers: 637, 637D, 637E, 637G, 639D, 641
• Track loaders: 941, 941B, 955K, 955L

Fitment should be checked against the equipment model and the installed part number before assembly.

Cross-reference numbers

• 4D-0306
• 4D0306

Specifications