3H4970 O-Ring for Caterpillar Equipment

The 3H4970 O-ring is a replacement sealing part used on Caterpillar equipment, including engines, loaders, tractors, excavators, trucks, and other heavy machinery. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

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

• Compact wheel loader: 910.
• Gen set engines: D398B, D399.
• Industrial engines: D320A, D343, D353C, D399.
• Integrated toolcarriers: IT28, IT28B.
• Marine engines: D330A, D330B, D333A, D333B, D353C, D364, D375D, D397D.
• Mining excavators: 5130, 5130B, 5230, 5230B.
• Motor graders: 120B, 12E, 16.
• Pipelayers: 561B, 561C, 571G, 572G, 578.
• Soil compactor: 825B.
• Track loaders: 941, 955H, 977H.
• Track-type tractors: D4D, D4H, D5B, D5H, D6C, D6D, D7F, D7G, D7G2, D7R, D8K, D8R.
• Tractors: 784B, 784C.
• Trucks: 785, 785B, 785C, 785D, 789B, 789C, 789D, 793B, 793C, 793D, 793F, 793F CMD, 793F OEM, 793F XQ.
• Truck engines: 1673, 1674.
• Wheel dozer: 824.
• Wheel loaders: 920, 926, 930R, 966C, 980.
• Wheel scraper: 657.
• Wheel tractors: 621, 631C, 633C, 641, 641B, 651, 657.

Specifications