1H7339 O-Ring Fits Caterpillar Fits CAT

One New Aftermarket Replacement O-Ring Fits Caterpillar (Fits CAT) Construction, Agricultural, and Industrial Equipment

This aftermarket replacement O-ring (Seal-O-Ring) is used in static and dynamic sealing applications throughout Fits Caterpillar engines and machines, including hydraulic cylinders, gear housings, and front housing covers. Made from 70 NBR (nitrile) material, it offers good resistance to engine oil, hydraulic oil, diesel fuel, coolant, and automatic transmission fluid across a wide temperature and pressure range.

Specifications

• Inside Diameter (ID): 3 in (approx. 2.984 in / 75.79 mm)
• Outside Diameter (OD): 3-1/4 in
• Cross Section (CS): 1/8 in (approx. 0.139 in / 3.53 mm)
• Material: 70 NBR (Nitrile/Buna N)
• Dash Size: -234 (AS568A-234)
• Support Ring: 8J-2574

Compatible Models

Fits Caterpillar Motor Graders: 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2

Fits Caterpillar Articulated Trucks: 1290T, 1390, D400E II

Fits Caterpillar Asphalt Pavers: AP-650B, AP-800C, AP-900B, AP-1000B, AP-1000D, AP-1050B, AP-1055B, BG-225C, BG-230, BG-240C, BG-245C, BG-260C, BG-260D, BG-2455C

Fits Caterpillar Road Reclaimers / Stabilizers: RM-250C, RM-350, RM-350B, RR-250, RR-250B, SM-350, SS-250, SS-250B

Fits Caterpillar Cold Planers: PM-465, PR-450C

Fits Caterpillar Compactors: PS-300B, PF-300B, 825C

Fits Caterpillar Backhoe Loaders: 438C

Fits Caterpillar Challenger: 65E

Fits Caterpillar Engines (Industrial / Generator / Truck): 3406, 3406C, 3408B, G3306, G3406, CX31-C13I

Replaces Part Number(s):

1H7339, 1H-7339, M1H7339

Aftermarket Interchange Numbers

CA1H7339, CT1H7339, CT 1H7339, AS568A-234, 03-8761, 03-9857, 038761, 039857, 175-7896, 1757896, 185-1608, 1851608, 1G-8458, 1G8458, 1H-6203, 1H6203, 203-0265, 2030265, 2U-5322, 2U5322, 5H-6497, 5H6497, 7R-7148, 7R7148, 8C-7432, 8C7432, 8T-7251, 8T7251, 9W-4959, 9W4959, 145586, CTC-1H7339

New aftermarket replacement part - not remanufactured, not used.