AVSPARE.COM
parts catalog

SEAL-O-RING 1H8278 - Caterpillar


1H8278 SEAL-O-RING Caterpillar parts 120B, 12E, 12F, 140, 140B, 14E, 16, 183, 184, 311, 311C, 311D LRR, 311F LRR, 312C, 312C L, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313D, 313D2, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR...
Rating:
45
Alternative (cross code) number:
CA1H8278
1H-8278
1H8278
Caterpillar 1H8278 SEAL-O-RING
Weight: 0.01 pounds 0 kg.
Information:
CROSS SECTION DIAMETER  3.53  mm
DASH SIZE  265 
ID  196.44  mm
MATERIAL  Nitrile (NBR) Rubber - 75 Duro 
OD  0  mm

Buy SEAL-O-RING 1H8278 Caterpillar genuine, new aftermarket tractor parts with delivery
AG TRANSMISSION, WHEELED EXCAVATOR,

Compare Prices: .

As an associate, we earn commssions on qualifying purchases through the links below
$60.00

06 Jul 2025

CN: KAWO
1H-8278 1H8278 Seal O Ring Fits Caterpillar Cat Spare Parts Replacement Aftermarket
Generic 【PUMPER】SPT343 || 【GENERATOR】SR4 SR4B SR4BHV || 【UNDERGROUND ART TRUCK】AE40 AD60 AD55 AE40 II AD45 AD40 || 【TRUCK ENGINE】3406B || 【INTEGRATED TOOLCARRIER】IT12B
$20.97

27 Nov 2024

US: Lidiia Druchuk
Replacement Parts for Snow Removal UTV ATV Cart Machinery for CAT O-Ring Seal 1H8278 934502 for PM3512 PM3516 PMG3516 PP3516 R1700II R2900 Model-DFC589-Gl1212
Generic Quality-engineered parts specifically for lawn care, snow removal, UTV, ATV, and golf cart equipment || Made from rugged, weatherproof materials for longevity across all outdoor applications || Designed for a precise fit, making repairs and replacements simple and effective || Keeps machinery running smoothly, reducing wear and tear for long-term use || Universal compatibility with many brands and models, providing broad coverage for different equipment
$9.79
 

17 Oct 2023

US: FinditParts Inc
1H8278 - SEAL-O-RING fits Caterpillar (CAT)
BLUMAQ 1H8278 - SEAL-O-RING fits Caterpillar (CAT)
Number on catalog scheme: 5
  For full view, you need register

Compatible equipment models: 1H8278:

AG TRANSMISSION  TA19-M2WD  
ARTICULATED TRUCK  735   740   D350E II   D400E II  
BACKHOE LOADER  414E   416D   416E   420D   420E   430D   430E   450E   450F  
COMPACT WHEEL LOADER  910E  
EJECTOR TRUCK  740   D400E II  
HYDRAULIC CONTROL  183   184  
INTEGRATED TOOLCARRIER  IT12B  
LANDFILL COMPACTOR  826B   826C   836   836G   836H   836K  
LOAD HAUL DUMP  R1700 II   R2900   R2900G   R3000H  
LOCOMOTIVE ENGINE  3508   3508B   3512   3512B   3516   3516B  
MARINE AUXILIARY  3508B   3512   3512B   3516B  
MINING EXCAVATOR  5130   5130B   5230   5230B  
MOBILE HYD POWER UNIT  329E   336E   336E HVG   345C L   349D L   349E   349E L HVG  
MOTOR GRADER  120B   12E   12F   140   140B   14E   16  
PIPELAYER  561B  
PUMPER  SPF343   SPS343   SPT343  
QUARRY TRUCK  771C   771D   775B   775D  
REMAN ENGINE  3516B  
SHOVEL LOGGER  345C  
SOIL COMPACTOR  825B   825C  
TRACK FELLER BUNCHER  521B   522B  
UNDERGROUND ART TRUCK  AD40   AD45   AD45B   AD55   AD55B   AD60   AE40   AE40 II  
VEHICULAR ENGINE  3508   3512   3516  
VIBRATORY COMPACTOR  CB-614  
WHEEL SCRAPER  633D  
WHEEL SKIDDER  525C   535C   545C  
WHEELED EXCAVATOR  W345C MH   Caterpillar

Information:

Remove And Install Air Cleaner Group
3304 Engine Shown1. Release two clamps (6). Remove cover assembly (3) and air cleaner element (4) from the engine.2. Remove two bolts (5). Turn body assembly (2) counterclockwise, and remove it from pipe (1).3. Inspect the O-ring seal on pipe (1), and make a replacement if necessary.4. Put clean engine oil on the O-ring seal. Install body assembly (2) and the bolts that hold it.5. Put air cleaner element (4) and cover assembly (3) in position, and secure them with clamps (6). See the Maintenance Guide for more information concerning cleaning and replacement of the air cleaner element.

Cat SIS web machinery list:

Caterpillar parts catalog
C175–20 Locomotive Engine R4F00001-UP
TR53 Railway Transmission D3500001-UP
323F LN Mobile Hydraulic Power Unit RGP00001-UP (MACHINE) POWERED BY C4.4 Engine
390F L Excavator HNG00001-UP (MACHINE) POWERED BY C18 Engine
C175–16 Petroleum Engine P6P00001-UP
352F Excavator WYA00001-UP (MACHINE) POWERED BY C13 Engine
G3512 ENGINE 4KC00001-UP
3508 Engine For Caterpillar Built Machines 97Y00001-UP
3508 Marine Engine 69Z00275-UP
3512 Marine Engine 50Y00647-01304
G3516 Engine 3RC00001-UP
3512 Vehicular Engine 51Y00513-UP
3516 Generator Set Engine 25Z00684-02188
3516 Marine Engine 29Z00818-01119
3508 Industrial Engine 68Z00694-01092
3512 ENGINE 49Y00486-00925
3516 Industrial Engine 27Z00650-00791
3516 Engine For OEM Built Machines 28Z00613-UP
G3406 Industrial Engine Natural Gas 4FD00001-UP
3516 Generator Set Engine 4XF00001-UP
3516 Locomotive Engine 9KF00001-UP
G3508 ENGINE 2JF00001-UP
G3406 Engine 1RK00001-UP
3516 Generator Set Engine 5SJ00001-UP
3512 Locomotive Engine 2WK00001-UP
3508 LOCOMOTIVE ENGINE 6TJ00001-UP
3516 Marine Engine 4MJ00150-00177
G3516 Engine Electronic Ignition System 4EK00001-UP
3508 Generator Set Engine 70Z00757-UP
3508 Generator Set Engine (High Speed) 23Z03489-UP
G3516 Engine Electronic Ignition System 8LD00001-UP
G3512 ENGINE 7NJ00001-UP
G3508 Engine Electronic Ignition System 9TG00001-UP
G3512 Gas Engine Electronic Ignition System 5JD00001-UP
G3508 Standard Engine Electronic Ignition System 4WD00001-UP
3512 Engine 1LM00001-UP
3516B Generator Set Engine 7RN00001-UP
3516B Generator Set Engine 6HN00001-UP
3516B Marine Engine 8KN00001-UP
3516B Marine Engine 8CN00001-UP
3516B Marine Auxiliary Engine 9AN00001-UP
3512B Generator Set Engine 8RM00001-UP
3512B Generator Set Engine 6WN00001-UP
3512B Marine Engine 4TN00001-UP
3512B Marine Engine 7HM00001-UP
3512B Marine Auxiliary Engine 8EM00001-UP
3508B Generator Set Engine 6PN00001-UP
R2900G Load Haul Dump NLK00001-UP (MACHINE) POWERED BY C15 Engine
R3000H Load Haul Dump RCY00001-UP (MACHINE) POWERED BY C15 Engine
773E Off-Highway Truck PRB00001-UP (MACHINE) POWERED BY 3412E Engine
773E Off-Highway Truck DJS00001-UP (MACHINE) POWERED BY 3412E Engine
MH3295 Material Handler PA900001-UP (MACHINE) POWERED BY C18 Engine
426F2 Backhoe Loader Side Shift EJ400001-UP (MACHINE) POWERED BY C4.4 Engine
426F2 Backhoe Loader Side Shift DJ400001-UP (MACHINE) POWERED BY C4.4 Engine
558 General Forestry F5G00001-UP (MACHINE) POWERED BY C7.1 Engine
548 General Forestry SFZ00001-UP (MACHINE) POWERED BY C7.1 Engine
548 Log Loader WRA00001-UP (MACHINE) POWERED BY Engine C7.1
836K Landfill Compactor T6X00001-UP (MACHINE) POWERED BY C27 Engine
990K Wheel Loader L6Z00001-UP (MACHINE) POWERED BY C27 Engine
770G Off-Highway Truck KD200001-UP (MACHINE) POWERED BY C15 Engine
772G Off-Highway Truck KE300001-UP (MACHINE) POWERED BY C18 Engine
994K Wheel Loader SMX00001-UP (MACHINE) POWERED BY 3516 Engine
986K Wheel Loader NL800001-UP (MACHINE) POWERED BY C15 Engine
826C Landfill Compactor 87X00587-UP (MACHINE)
777C Truck 776C Tractor 2TK00001-UP (MACHINE) POWERED BY 3508 Engine
IT12F Integrated Toolcarrier 1KF00820-UP (MACHINE) POWERED BY 3114 Engine
784B Tractor 5RK00001-UP (MACHINE) POWERED BY 3512 Engine
785B Off-Highway Truck 6HK00001-UP (MACHINE) POWERED BY 3512 Engine
793B Off-Highway Truck 1HL00001-UP (MACHINE) POWERED BY 3516 Engine
789B Off-HighwayTruck 7EK00001-UP (MACHINE) POWERED BY 3516 Engine
775B Truck 7XJ00200-UP (MACHINE) POWERED BY 3412 Engine
773B Off-Highway Truck 63W04200-UP (MACHINE) POWERED BY 3412 Engine
769C Truck 01X06600-UP (MACHINE) POWERED BY 3408 Engine
771C Truck 3BJ00200-UP (MACHINE) POWERED BY 3408 Engine
769D Off-Highway Truck 5TR00001-00504 (MACHINE) POWERED BY 3408E Engine
771D Truck 6JR00001-00134 (MACHINE) POWERED BY 3408E Engine
773D Off-Highway Truck 7ER00001-00380 (MACHINE) POWERED BY 3412E Engine
775D Truck 6KR00001-00123 (MACHINE) POWERED BY 3412E Engine
776D Tractor 5ER00001-UP (MACHINE) POWERED BY 3508B Engine
777D Truck 3PR00001-UP (MACHINE) POWERED BY 3508 Engine
793C Off-HighwayTruck 4AR00001-UP (MACHINE) POWERED BY 3516 Engine
769D Off-Highway Truck 5SS00001-UP (MACHINE) POWERED BY 3408E Engine
773D Off-Highway Truck 7CS00001-UP (MACHINE) POWERED BY 3412E Engine
836 Landfill Compactor 7FR00264-UP (MACHINE) POWERED BY 3408E Engine
777D HAA Off-Highway Truck 2YW00001-UP (MACHINE) POWERED BY 3512B Engine
3406C Industrial Engine 6TB09857-UP
769D Truck 5TR00505-UP (MACHINE) POWERED BY 3408E Engine
771D Truck 6JR00135-UP (MACHINE) POWERED BY 3408E Engine
773D Off-Highway Truck 7ER00381-UP (MACHINE) POWERED BY 3412E Engine
775D Quarry Truck 6KR00124-UP (MACHINE) POWERED BY 3412E Engine
771D Truck 6YS00001-UP (MACHINE) POWERED BY 3408E Engine
775D Quarry Truck 8AS00001-UP (MACHINE) POWERED BY 3412E Engine
D350E Series II Articulated Truck 2XW00001-UP (MACHINE) POWERED BY 3406E Engine
D400E Series II Articulated Truck 8PS00001-UP (MACHINE) POWERED BY 3406E Engine
785C Off-HighwayTruck 1HW00001-UP (MACHINE) POWERED BY 3512B Engine
785C HAA Off-Highway Truck 5AZ00001-UP (MACHINE) POWERED BY 3516B Engine
784C Tractor 2PZ00001-UP (MACHINE) POWERED BY 3512 Engine
789C Off-Highway Truck 2BW00001-UP (MACHINE) POWERED BY 3516 Engine
793C Off-Highway Truck 4GZ00001-UP (MACHINE) POWERED BY 3516B Engine
836G Landfill Compactor 7MZ00001-UP (MACHINE) POWERED BY 3456 Engine
776D Tractor AFS00001-UP (MACHINE) POWERED BY 3508B Engine
777D Off-Highway Truck AGC00001-UP (MACHINE) POWERED BY 3508B Engine
777D Truck AGY00001-UP (MACHINE) POWERED BY 3512B Engine
785C Off-Highway Truck APX00001-UP (MACHINE) POWERED BY 3512B Engine
793C Off-Highway Truck ATY00001-UP (MACHINE) POWERED BY 3516 Engine
D400E Series II Ejector Truck APF00001-UP (MACHINE) POWERED BY 3406E Engine
740 Articulated Truck AXM00001-UP (MACHINE) POWERED BY 3406E Engine
416D Backhoe Loader BFP00001-17198 (MACHINE) POWERED BY 3054 Engine
836G Landfill Compactor BRL00001-UP (MACHINE) POWERED BY 3456 Engine
740 Ejector Articulated Truck AZZ00001-UP (MACHINE) POWERED BY 3406E Engine
769D Off-Highway Truck BBB00001-UP (MACHINE) POWERED BY 3408E Engine
771D Quarry Truck BCA00001-UP (MACHINE) POWERED BY 3408E Engine
773E Off-Highway Truck BDA00001-UP (MACHINE) POWERED BY 3412E Engine
775E Off-Highway Truck BEC00001-UP (MACHINE) POWERED BY 3412E Engine
TH350B Telehandler SLD00001-01640 (MACHINE) POWERED BY 3054E Engine
TH355B TH360B Telehandler JRK00001-UP (MACHINE) POWERED BY 3054E Engine
416D Backhoe Loader BFP05178-17198 (MACHINE) POWERED BY 3054 Engine
420D Backhoe Loader FDP07199-18399 (MACHINE) POWERED BY 3054 Engine
420D Backhoe Loader BLN04544-10299 (MACHINE) POWERED BY 3054 Engine
430D Backhoe Loader BNK02502-05899 (MACHINE) POWERED BY 3054 Engine
430D Backhoe Loader BML02281-04799 (MACHINE) POWERED BY 3054 Engine
TH220B Telehandler SLA00001-UP (MACHINE) POWERED BY 3054 Engine
TH330B Telehandler SLB00001-UP (MACHINE) POWERED BY 3054 Engine
TH340B Telehandler SLC00001-UP (MACHINE) POWERED BY 3054 Engine
416D Backhoe Loader BKG01300-UP (MACHINE) POWERED BY 3054B Engine
R2900G Load Haul Dump JLK00001-UP (MACHINE) POWERED BY C15 Engine


Parts seal Caterpillar catalog:

1948364 SEAL-U-CUP
325C, 325C L, 325D, 325D L, 328D LCR, 329D, 329D L
0931347 SEAL-O-RING
328D LCR, 345B II, 345B L, 345C, 345C L, 345D L, 349E L, 349E L VG, 349F L, 350, 365B, 365B II, 365B L, E650
2590734 SEAL-U-CUP
325C, 330C L, 330D L, 336D, 336D2, 340D L, 340D2 L, 345B II, 345C, 345D, 345D L, 349D, 349D L
2667957 SEAL-BUFFER
325C, 330C L, 330D L, 336D, 336D2, 340D L, 340D2 L, 345B II, 345C, 345D, 345D L, 349D, 349D L
2667960 SEAL-O-RING
325C, 330C L, 330D L, 336D, 336D2, 340D L, 340D2 L, 345B II, 345C, 345D, 345D L, 349D, 349D L
2590736 SEAL-U-CUP
345B II, 345C, 345D, 345D L, 349D, 349D L
2667958 SEAL-BUFFER
345B II, 345C, 345D, 345D L, 349D, 349D L
3678472 SEAL-O-RING
365C, 374D L, 374F L, 385B, 385C, 385C L, 390D, 390D L, 390F L
2667969 SEAL-O-RING
325C, 325D L, 329D, 329D L
3678473 SEAL-O-RING
390D, 390D L, 390F L
2116735 SEAL-O-RING
416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430E, 430F, 432D, 432E, 432F, 442D, 442E, TH340B, TH350B, TH355B
2198799 SEAL-O-RING
TH220B, TH330B, TH340B, TH350B, TH355B, TH460B, TH560B
1990658 SEAL-O-RING
CS-323C, TH220B, TH330B, TH340B, TH350B, TH355B, TH460B, TH560B
2097464 SEAL
414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 442D, 442E, 450E, 450F, TH220B, TH330B, TH340B, TH350B, TH355B
2198798 SEAL-LIP TYPE
414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F, 442D, 442E, 444E, 444F, 450E, 450F, TH220B, TH330B, TH340B, TH350B, TH355B
1006674 SEAL-CONNECTOR
1090, 1190, 1190T, 120M, 120M 2, 1290T, 12M, 12M 2, 12M 3, 12M 3 AWD, 1390, 140M, 140M 2, 140M 3, 140M 3 AWD, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 16M, 226B, 226B3, 2290, 232B, 236B, 236B3, 236D, 23...
1788209 SEAL
TH220B, TH330B, TH340B, TH350B, TH355B, TH460B, TH560B, TH580B
2040728 SEAL-O-RING
795F AC, 795F XQ, 797F, 966K, 966M XE, 972M XE, C9, CX31-C13I, CX31-C15I, CX31-C18I, CX31-C9I, CX31-P600, M318C, TH220B, TH31-E61, TH330B, TH340B, TH35-C11I, TH35-C13I, TH35-C13T, TH35-C15I, TH35-C15T...
1788164 SEAL-OIL
TH220B, TH330B, TH340B, TH350B, TH355B, TH460B, TH560B, TH580B
2097465 SEAL
414E, 416D, 416E, 420D, 422E, 428E, 430D, 430E, 432E, 442E, 450E, 450F, TH220B, TH330B, TH340B, TH350B, TH355B
2295092 SEAL
450E, 450F, CP-533E, CP-54B, CP-56, CP-573E, CP-64, CP-68B, CP-74B, CS-533E, CS-54, CS-54B, CS-56, CS-563E, CS-56B, CS-583E, CS-64, CS-64B, CS-66B, CS-68B, CS-74, CS-74B, TH220B, TH330B, TH340B, TH350...
2164457 SEAL
414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 442D, 442E, 450E, 450F, TH220B, TH330B, TH340B, TH350B, TH355B
Back to top
The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.