6E4373 Spring for Caterpillar Equipment

6E4373 is a recoil spring for Caterpillar track-type tractors, wheeled tractor-scrapers, pipe-layers, track loaders, excavators, and forest machines. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed for use on the Caterpillar equipment models and machine series below.

Fitment

• Track-Type Tractors: 57H, 8, 8A, 8SU, 8U, D7E, D7E LGP, D8, D8 GC, D8GC, D8N, D8R, D8R II, D8T
• Wheeled Tractor-Scrapers: 621F, 621G, 627F, 627G, 631G, 637G
• Pipe-Layers: 583T, 587R, 587T, PL72, PL83, PL87
• Track Loaders: 963, 963D, 963K, 973C
• Excavators: 320, 320 GC, 320 GX, 323, 323 GC, 323 GX, 325, 326, 326 GC, 333 GC
• Forest Machines: 538HA, 771HA, 871TK, 371TK, 381

Cross-reference numbers

• Caterpillar part number: 6E4373
• Caterpillar part number with hyphenated format: 6E-4373

Specifications