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HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings4J-0521: 3.53 x 34.52mm 90A NBR O-Ring
HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings4J-0521: 3.53 x 34.52mm 90A NBR O-Ring
4J-0521: 3.53 x 34.52mm 90A NBR O-Ring

O-ring

Brand: Cat

Product Images
4J-0521: 3.53 x 34.52mm 90A NBR O-Ring
4J-0521: 3.53 x 34.52mm 90A NBR O-Ring
4J-0521: 3.53 x 34.52mm 90A NBR O-Ring
4J-0521: 3.53 x 34.52mm 90A NBR O-Ring
4J-0521: 3.53 x 34.52mm 90A NBR O-Ring

O-ring

Brand: Cat

Warranty Information
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DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 4J-0521

Units of Measure

USMetric
Cross Section Diameter (mm): 3.53
Cross Section Diameter (in): 0.139
Inside Diameter (mm): 34.52
Inside Diameter (in): 1.359
Material: NBR (90),NBR - Nitrile,Nitrile (NBR),Nitrile / NBR / HNBR / XNBR Rubber
Polymer: Nbr (nitrile Butadiene)
Material Hardness: 90a
Compatible With: Abrasion resistant; Alpha-Olefin base synthetic lubricants; Ethylene Glycol; Hydrocarbon fuels; Petroleum base lubricants; Silicone oils and greases; Water, water base engine coolants; ORFS, STORS seals
Dash Size: 220
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Compatible Models for part number 4J-0521

GENERATOR

SR4B SR4

TRUCK ENGINE

1693

POWER MODULE

TR43 OEM POWER PM3508 PM3516 PM3512 TR43-C18L PMG3516 TR43-E44

INTEGRATED TOOLCARRIER

IT38H

WHEEL TRACTOR-SCRAPER

627 623 621 637 627K LRC 632 631 623K LRC 631K 623K 621K 627K 637K 657 651

LOAD HAUL DUMP

R1600G R1600H R1700G R3000H R1700 II R2900G R1300 R1600 R2900 R1300G

OFF HIGHWAY TRUCK

3508B

OEM SOLUTIONS

3412C

WINCH

59 58 59N 59L 58L

MOTOR GRADER

120H 120G 16 120K 135H 163H 140K 140H 140G 130G 140K 2 143H 135H NA 163H NA 120H NA 140H ES 160H ES 12H NA 120H ES 160 16H 16G 140H NA 140 16GC 14H 14G 12H 12G 24H 12K 120 160K 160H 160G 16H NA 160H NA 12H ES 14H NA 120K 2

HYDRAULIC SHOVEL

6015 6015B

WHEEL SKIDDER

525 515

TRACK-TYPE TRACTOR

D10 D11 D10N D11N D11R D11T D7F D7G D8L D9L D9N D9H

MINI HYD EXCAVATOR

301.8 301.6 301.5 301.7CR 302CR

MARINE ENGINE

3516 3512 3508 3508C 3508B 3516B 3516C 3516E D343 3512C 3512E 3512B

MARINE AUXILIARY

3512 3508 3516C 3516B 3512C 3512B 3508B 3508C

PIPELAYER

572G

EXPANDED MINING PRODUCTS

LD350

FRONT SHOVEL

385C 5080 5090B

EXCAVATOR

375-A L 385C FS 385C L 365C L MH 374D L 350-A L 350 L 385B 385C 365C L 365B L 365C 365B 390D 350-A 390D L 385C L MH 375-A 365B II

ENGINE - GENERATOR SET

3508B

PETROLEUM PACKAGE

3508

MOBILE HYD POWER UNIT

385C 365C L 385C L

RIPPER SCARIFIER

16G

GENERATOR SET

G3516 G3512 G3508 3508 3516 3512 G3516B 3508B G3520B 3512B 3516C 3516B 3516E

WHEEL TRACTOR

633E II 651B 651E 631K 615C II 631D 631E 631C 631G 641B 621K OEM 615 611 627 621 623 637 641 651 657 623B 623G 623H 623E 623F 621B 633C 657E 657B 621R 621E 621F 633D 657G 621G 621H 621S 639D 615C 627B 627G 627H 627E 627F 637G 637D 637E 637K

HYDRAULIC CONTROL

193 173B 183B

VEHICULAR ENGINE

D348

ENGINE

3512E 3508PETROL 3512C 3516C 3516E 3512PETROL 3516PETROLEUM

TRACK LOADER

963 973 983 973C 963B 963C 977K 977L 955K 955L 983B

LOCOMOTIVE ENGINE

3516B

SOIL COMPACTOR

825G 825B 815F II 815F

PETROLEUM ENGINE

3516 3512 3516C 3516B 3512C 3512B

WHEEL DOZER

854G 854K 844H 844K 824B 844 854 824G 814F II 814F

LANDFILL COMPACTOR

816F II 826G 816F

WHEEL LOADER

960F 972G 972H 950F 988G 988H 988F 966C 966F 966H 966G 966R 936F 938G 938H 990 II 988F II 980 988 995 994 990 993 992 980G II 950 980F II 966F II 990K 990H 972G II 993K 980B 992D 992B 980F 980G 992G 992K 994F 994D 970F 994K 994H 966G II 950F II

GEN SET ENGINE

3516B G3520B 3512B 3508B 3508 3512 3516

TRANSMISSION

TR53

RIPPER

9 8 11 10

ENGINE - INDUSTRIAL

3512B LD700E

INDUSTRIAL ENGINE

3512 3516 3508 D343 3512E 3512B 3512C C9.3B

TRUCK

777C 777B 777D 769B 797 797F 797B 769 777

WHEEL SCRAPER

651E 651B 641B 630B 666B 631G 631D 631C 631E 631B 621E 657G 621B 657E 657B 637K 637E 637G 637B 637D 621 627 666 637 641 657 651

POWERTRAIN

TR43E44-C13BL TR43M44-C13B

GAS ENGINE

G3520B G3508B G3512 G3516 G3508

BULLDOZER

9SU 10SU 11SU 8S 8U 9C 9U 9S 10C 11U 10S 10U 8A

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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