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6J1878 U-cup Rod Seal for Caterpillar Equipment
6J1878 is a U-cup rod seal used in hydraulic applications on Caterpillar equipment. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The seal is listed for the following Caterpillar equipment models and series:
Excavator 225
Wheel Scraper 651
Wheel Tractor 621
Wheel Tractor 621B
Wheel Tractor 621E
Wheel Tractor 621F
Wheel Tractor 627E
Wheel Tractor 631C
Wheel Tractor 631E
Wheel Tractor 637E
Wheel Tractor 639D
Wheel Tractor 641B
Wheel Tractor 651E
Wheel Tractor 657E
Cross-reference numbers
6J1878
Specifications
Part type
U-cup rod seal
Application
Hydraulic seal
Equipment manufacturer
Caterpillar
Part number
6J1878
Weight
0.1 lb
Length
2.8 cm
Width
2.8 cm
Depth
0.8 cm
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