2377623 Seal O Ring Fits Caterpillar Models

One New Aftermarket Replacement Seal O-Ring for Caterpillar (Cat) 3500 Series Engines and Heavy Equipment

This aftermarket replacement O-ring (part number 2377623 / 237-7623) is a precision-fit fluorocarbon rubber (FKM) engine seal used in Caterpillar 3500 series diesel and gas engines. It seals oil filler, filter, valve mechanism, torque converter cooler, and related connections across a wide range of Cat engine-powered machines including off-highway trucks, mining excavators, wheel loaders, tractors, and generator sets.

Specifications

• Inside Diameter (ID): 62.86 mm
• Cross Section Diameter: 5.33 mm
• Dash Size: 333
• Material: Fluorocarbon Rubber (FKM), 75 Duro
• Weight: approx. 0.01 lbs

Compatible Models

Caterpillar Engines: 3406E, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C15, C18, C27, G3512E, G3516, G3516B, G3516C, G3516E, G3516H, G3520B, G3520C, G3520E, G3612, G3616

Caterpillar Off-Highway Trucks: 777D, 785B, 785C, 789, 789B, 789C, 789D, 793B, 793C, 793D, 797, 797B

Caterpillar Mining Excavators: 5130, 5130B, 5230, 5230B

Caterpillar Wheel Loaders: 992G, 994, 994D, 994F, 994H

Caterpillar Tractors: 776C, 776D, 784C

Caterpillar Wheel Dozers: 854G

Caterpillar Excavators: 374F L

Caterpillar Pipelayers: PL87

Caterpillar Generator Sets: 3512, 3512B, 3512C, 3516B, 3516C, PMG3516, XQC1200, XQC1600

Caterpillar Petroleum / Industrial / Marine Engines: 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C

Caterpillar Petroleum Transmissions: TH48-E80, TH55-E70

Caterpillar Pumpers: SPF343, SPF343C, SPT343

Caterpillar Locomotive Engines: 3512C

Replaces Part Number(s):

2377623, 237-7623

Aftermarket Interchange Numbers

CA2377623, 3P0657, 3P657, M-2377623

New aftermarket replacement part - not remanufactured, not used.