8M7437 Transmission O-Ring for Caterpillar Equipment

8M7437 is a transmission O-ring used in rotary coupling assemblies of transmissions and torque converters installed on Caterpillar equipment. The seal is intended to support engagement and sealing of the rotary couplings within these assemblies. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 8M7437 and is also listed in hyphenated form as 8M-7437. The available application data covers Caterpillar tracked bulldozers, pipe-layers, and track loaders.

Fitment

• Tracked bulldozers:
  • Caterpillar D7F
  • Caterpillar D7G
  • Caterpillar D7G2
• Pipe-layers:
  • Caterpillar 571G
  • Caterpillar 572G
• Track loaders:
  • Caterpillar 983
  • Caterpillar 983B

Cross-reference numbers

8M7437 and 8M-7437 refer to the same part-number designation for this transmission O-ring. The hyphenated number is used in equipment parts documentation, while the non-hyphenated form is used as the product SKU.

Specifications

The sealing dimensions listed for the part are a cross-section width of 0.18 inches, an inner diameter of 5.26 inches, and a cross-section height of 0.21 inches. The listed material specification identifies PTFE as the seal material and plastic as the main seal material. The recorded product dimensions are 15.24 cm in length, 20.32 cm in width, and 2.54 cm in depth, with a listed weight of 0.1 lb.