4F-7391 Fuel Injector Pump O-Ring AS219 32.92*3.53mm for Caterpillar

The WINSCHEN 4F-7391 fuel injector pump O-ring is a premium aftermarket replacement for selected Caterpillar fuel system applications. Designed to AS219 dimensions of 32.92 mm inside diameter and 3.53 mm cross-section, it helps provide dependable sealing performance during service. Please verify the OEM part number and application before ordering.

Key Features

Premium aftermarket AS219 32.92*3.53mm Fuel Injector Pump O-Ring replacement
Suitable for selected Caterpillar applications
Designed for dependable sealing performance

Compatible Equipment Models

Articulated Trucks: 725 725C 730 730C 735 735B 740 740B D250B D250D D250E D250E II D25C D25D D300B D300D D300E D300E II D30C D350C D350E D350E II D35C D400E D400E II D40D D4AB D550B Caterpillar

Asphalt Pavers: AP-1000 AP-1000B AP-1050 AP-1055B AP-650B AP-655C AP-800 AP-900B BG-245C BG-2455C BG-2455D Caterpillar

Backhoe Loaders: 428 436 446 446B 446D Caterpillar

Bulldozers: 5S 6A 824S CABLE CONTROL: 129 Caterpillar

Challenger Tractors: 35 45 55 Caterpillar

Cold Planers: PM-565 PM-565B PR-1000 CRUSHER: CR20 Caterpillar

Ejector Trucks: 730 730C 740 740B D400E II Caterpillar

Excavators: 205B 214B 215 215B 215C 225 229 235 235B 235C 245 245B 320 L 320B 322B L 322B LN 322C 322C FM 325 325 L 325B 325B L 345D 390F L E120B Caterpillar

Forwarders: 574 Caterpillar

Gas Engines: G343 G3508 G3508B G3516 G3516B G3520B GENERATOR SET: 3512B 3516B HYDRAULIC CONTROL: 141 153 163 172 173B 183 183B 191 193 44 46 50 INDUSTRIAL ENGINE: 3114 3116 3126 3126B 3304 3306 C7 D343 D348 D398 D399 INDUSTRIAL TRACTOR: HA771 HA871 TK371 TK381 INTEGRATED TOOLCARRIER: IT12B IT24F IT28F IT28G IT38F IT38G IT62G KNUCKLEBOOM Caterpillar

Loaders: 539 LANDFILL COMPACTOR: 826B LOAD HAUL DUMP: R1600 R1600G R1600H LOGGER: 227 MARINE ENGINE: 3116 3126 3306 3406 D336 D343 D348 D349 D353C D364 D398A MARINE GEAR: 3192 MOBILE HYD POWER UNIT: 323D LN 325D 329D L 336D L 336E 345C L 349D L Caterpillar

Motor Graders: 120 120B 120H 120H ES 120H NA 120K 120K 2 12H 135H 135H NA 140 140B 140G 140H 140H ES 140H NA 143H 14E 160H 16G PETROLEUM ENGINE: 3126B 3512C C7 Caterpillar

Pipelayers: 561B 561C 561D 561M 572G 572R 572R II 583H 594 594H PULVERIZER: P16 PUMPER: SPF343C RIPPER: 8B 977 9B ROAD RECLAIMER: RR-250 SHEAR-DEMOLITION/SCRAP: S25 SOIL COMPACTOR: 815 SOIL STABILIZER: SS-250 TRACK FELLER BUNCHER: TK1051 Caterpillar

Track Loaders: 931B 931C 933 939 941 943 951B 953 953B 953C 955C 955H 955K 963 963B 963C 973 977 977H 977K TRACK Caterpillar

Skidders: 517 527 D4HTSK II D4HTSK III D5HTSK II TRACK-TYPE TRACTOR: 30/30 D10 D11N D11R D11T D3B D3C D3C II D3C III D4C III D4D D4E D4E SR D4H D4H XL D5 D5B D5C D5C III D5E D5H D5H XL D5M D6C D6D D6E D6E SR D6G D7E D7G D7H D7R II D8H D8K D8N D8R II D8T D9G D9H D9T DEUCE TRACTOR: 768B 772 TRUCK: 769 773 777 TRUCK ENGINE: 1673C 1693 3114 3116 3126 3126B 3126E C7 UNDERCARRIAGE: OEMS UNDERGROUND ART TRUCK: AD30 VEHICULAR ENGINE: D348 VIBRATORY COMPACTOR: CB-434 CB-521 CB-525B CB-634C CB-634D CP-563 CS-531C CS-531D CS-533 CS-533C CS-533D CS-563C CS-563D CS-573C CS-573D CS-583C CS-583D WAGON: 776 WHEEL DOZER: 814 824 824B 834 854G WHEEL FELLER BUNCHER: 533 543 HA770 HA870 TK370 TK380 WHEEL HARVESTER: 550 570 580 Caterpillar

Wheel Loaders: 918F 920 924F 928G 930 930R 938F 938G 950 950B 950F 950F II 950G 960F 962G 966G 966R 980 988 992 992C 992D 992G 994 994B WHEEL Caterpillar

Scrapers: 615C 623E 627 657 WHEEL Caterpillar

Skidders: 508 518 518C 525B 525C 528 528B 530B 535B 535C 545C WHEEL TRACTOR: 613C II 621 621R 623 627 631C 633C 637 641 641B 650B 651 651E 657 657B 657E 666 666B WHEELED Caterpillar

Excavators: M312 M315 M318 M320 M325B Caterpillar

Specifications

Part Number	4F-7391 (4F7391)
Part Type	Fuel Injector Pump O-Ring AS219 32.92*3.53mm
Application	Heavy Equipment Maintenance
Brand	WINSCHEN
Country of Origin	China
SKU	CAT-4F-7391
MOQ	1 PCS
Delivery Time	1-3 business days

All product names, part numbers and brands are used for identification and reference purposes only. They do not imply affiliation with or endorsement by the original equipment manufacturer. Browse more seals and Caterpillar replacement parts.