1B4437 Nut for Caterpillar Equipment

The 1B4437 nut is a hardware component used on Caterpillar equipment, including construction machinery, engines, motor graders, pipelayers, track loaders, track-type tractors, and wheel skidders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Backhoe loaders: 420D, 424D, 430D, 432D, 442D
• Gas engines: G342C, G343
• Industrial engines: D320A, D342, D342C
• Marine engines: D315, D342, D364
• Motor graders: 120B, 12E, 140, 140B, 14E, 16
• Pipelayer: 583H
• Track loader: 955C
• Track-type tractor: D8H
• Wheel skidder: 518

Specifications