6E6638 Valve Assy Relief for Caterpillar Equipment

6E6638 is a relief valve assembly used in Caterpillar equipment, including wheel-type skidders and wheel-type loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified as a relief valve assembly and is listed in the Engine Intake & Exhaust Valves category. The supplied application data associates part number 6E6638 with the Caterpillar machine models and equipment series listed below.

Fitment

• Caterpillar 530B wheel-type skidding machine (skidder)
• Caterpillar 950F II wheel-type loader
• Caterpillar 960F wheel-type loader
• Caterpillar 966F wheel-type loader
• Caterpillar 966F II wheel-type loader
• Caterpillar 970F wheel-type loader

The fitment information applies to the listed Caterpillar equipment models and is associated with the 6E6638 / 6E-6638 part-number designation. The machine descriptions are retained to distinguish the 530B skidding machine application from the listed wheel-type loader applications.

Cross-reference numbers

6E6638 and 6E-6638 represent the same listed reference with different formatting of the separator. The number 6E6638 is used as the product SKU, while 6E-6638 appears in the application description for the compatible Caterpillar equipment.

Specifications

The stated dimensions are 5 cm in length, 5 cm in width, and 14 cm in depth. The stated weight is 0.6 lb. No additional information about material, thread specification, mounting position, seals, or separate components included with the assembly is provided for this part.