6E4358 Piston for Caterpillar Equipment

The 6E4358 is a piston used in hydraulic barrel and piston assemblies on Caterpillar equipment. It is a new aftermarket piston manufactured by CTP (Costex Tractor Parts).

The part is identified for use on tracked bulldozers, wheeled tractor-scrapers, pipe-layers, track loaders, and forest machines. The fitment information below is grouped by equipment type and includes the Caterpillar model designations supplied for part number 6E-4358.

Fitment

• Tracked bulldozers: D8 GC, D8GC, 57H, 8, 8A, 8SU, 8U, D7E, D7E LGP, 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
• Forest machines: HA771, HA871, TK371, TK381

Fitment should be checked against the machine model and the part number removed from the hydraulic assembly before installation, particularly where the same equipment series has multiple hydraulic configurations.

Cross-reference numbers

• Caterpillar equipment manufacturer part number: 6E-4358
• Part number format: 6E4358

The designations 6E-4358 and 6E4358 refer to the same numeric part identification, with and without the separator between the prefix and the number.

Specifications

The listed dimensional values are provided in both imperial and metric units where available. The outside diameter and overall length are specified in inches, while the package or part dimensions listed in the source data are given as length, width, and depth in centimetres.