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HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings8J-8879: 266.29mm Inside Diameter Seal-O-Ring
HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings8J-8879: 266.29mm Inside Diameter Seal-O-Ring
8J-8879: 266.29mm Inside Diameter Seal-O-Ring

O-ring

Brand: Cat

Product Images
8J-8879: 266.29mm Inside Diameter Seal-O-Ring
8J-8879: 266.29mm Inside Diameter Seal-O-Ring
8J-8879: 266.29mm Inside Diameter Seal-O-Ring
8J-8879: 266.29mm Inside Diameter Seal-O-Ring
8J-8879: 266.29mm Inside Diameter Seal-O-Ring

O-ring

Brand: Cat

Warranty Information
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DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 8J-8879

Units of Measure

USMetric
Cross Section Diameter (mm): 3.53
Cross Section Diameter (in): 0.139
Inside Diameter (mm): 266.29
Inside Diameter (in): 10.484
Material: NBR - Nitrile,NBR (75),Nitrile (NBR),Nitrile / NBR / HNBR / XNBR Rubber
Polymer: Nbr (nitrile Butadiene)
Material Hardness: 75a
Dash Size: 275
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Compatible Models for part number 8J-8879

GENERATOR

SR4

UNDERCARRIAGE

OEMS

INTEGRATED TOOLCARRIER

IT12

WHEEL TRACTOR-SCRAPER

631K 637 631 637K

OFF HIGHWAY TRUCK

777 777G 777E

MATERIAL HANDLER

M325D MH M325D L MH

WINCH

54H 57H 55 54

TRACK SKIDDER

D5HTSK II D4HTSK III D4HTSK II

WHEEL SKIDDER

555D 535D 545D 525D

TRACK-TYPE TRACTOR

D8 GC D4H III D5H XL D4H D8GC D5H D7G D8R D8L D8N D9R D4H XL

ASPHALT PAVER

BG-240C AP-900B AP-1050B AP-650B BG-225C BG-245C

MARINE ENGINE

3516 3512

TRACK FELLER BUNCHER

TK732 2390 2391 TK1051 TK722 552 2 TK721 TK752 TK751 1190 511 541 2 TK741 2290 522 521 2590 1390 2491 1190T 521B 532 522B 541 1290T 551 552 TK711

STABILIZER MIXER

SM-350

MINING EXCAVATOR

5230B 5230

EXCAVATOR

325D FM LL 324D 324E 326D L 335F 330D2 325C L 322C 340MHPU 325C FM 324E LN 548 325D FM 325D L 326D2 326F L 326F 330F LN 324D L 325C 325D 324D FM LL 328D LCR 329D LN 329D L 324D FM M325D MH 324E L 330 GC 329E L 330 330D2 L 329D 330F L 329E 326D2 L 329F L 335F LCR 325D MH 329E LN 330F 329D2 L 322C FM 324D LN 329D2 M325D L MH 326F LN

VIBRATORY COMPACTOR

CP-533C CS-533C CP-563C CS-583C CS-573C CS-563C

MOBILE HYD POWER UNIT

329D L 329E 330 MHPU 325D L 325C 325D 336F 336E 352FMHPU 330D2 330F 324D LN 330FMHPU

GENERATOR SET

3512B

WHEEL TRACTOR

631K 637K

HEX BASED SPL SOLUTION

330F OEM

RECLAIMER MIXER

RM-350B RM-350

VEHICULAR ENGINE

3512

TRACK LOADER

973C

BACKHOE LOADER

450E 450F 450

EJECTOR TRUCK

740

AG TRANSMISSION

TA22-M4WD

COMPACT WHEEL LOADER

910

WHEEL LOADER

995 994 993 992 G910 993K 994F 994D 994K 994H

ROAD RECLAIMER

RM-350B

CHALLENGER

MT800

GEN SET ENGINE

3508 3512 3516

ARTICULATED TRUCK

740C 740 GC 745C 735C 745

TRANSMISSION

TA22

RIPPER

D5 5 8

WHEELED EXCAVATOR

M325C MH MH3040

INDUSTRIAL ENGINE

3512 3516

WHEEL SCRAPER

637K

QUARRY TRUCK

777E

TRUCK

797 797F 797B 777C 777B 777D 777G 777F 777

LOGGER

322C

TRACTOR

776 776D 776C 776B

BULLDOZER

8U 5A 5P 5S 8A 8SU

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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