Caterpillar

Add Equipment

Select equipment to view parts that fit your equipment.
No Suggested Results

Select Store

Caterpillar

Add Equipment

To find the parts that fit.To find the parts that fit.
Search for part number or name

Select Store

Add Equipment

HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsBackup Rings6J-1381: 79.53mm Internal Diameter Backup Ring
HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsBackup Rings6J-1381: 79.53mm Internal Diameter Backup Ring
6J-1381: 79.53mm Internal Diameter Backup Ring

Cat® Rubber Backup Ring for Articulation and Lift Cylinders

Brand: Cat

Product Images
6J-1381: 79.53mm Internal Diameter Backup Ring
6J-1381: 79.53mm Internal Diameter Backup Ring
6J-1381: 79.53mm Internal Diameter Backup Ring
6J-1381: 79.53mm Internal Diameter Backup Ring
6J-1381: 79.53mm Internal Diameter Backup Ring

Cat® Rubber Backup Ring for Articulation and Lift Cylinders

Brand: Cat

Warranty Information
Return Policy
DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 6J-1381

Units of Measure

USMetric
Material Description: NBR is a versatile material with good abrasion and cut resistance. It works well in Air, Engine Oil, Diesel Fuel, Coolant/Urea, Hydraulic Oil and Automatic Transmission Fluid applications. Do not use with Biodiesel.
Cross Section Width (in): 0.04
Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.
Cross Section Height (mm): 3.0
Cross Section Width (mm): 1.1
Material: NBR - Nitrile,Nitrile / NBR / HNBR / XNBR Rubber
Inside Diameter (mm): 79.5
Inside Diameter (in): 3.13
Dash Size: 235
Cross Section Height (in): 0.12
View More
Compatible Models for part number 6J-1381

ARTICULATED TRUCK

D40D D400D

WHEEL SCRAPER

633B 633 633D 639D

BACKHOE LOADER

416 438 436 424D 426 428 416C 426B 438C 416D 436B 428B 416B 428C 438B

MOTOR GRADER

140M 3 AWD 14L 140H NA 12H 12M 150 12M 3 AWD 163H 160M 3 AWD 140M 3 140M 2 140H ES 140 160 12M 3 12M 2 143H 160H NA 140M 160K 160H 163H NA 140H 160H ES 160M 2 160M 3 160M

View More
KeyKey
Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced