1J4034 Seal Fits Caterpillar Models

One New Aftermarket Replacement Lip-Type Seal for Caterpillar (Cat) Equipment

This aftermarket replacement lip-type seal (also known as a rotating shaft seal) is designed for use in rotating units on Caterpillar (Cat) equipment. It prevents oil leaks and protects internal components from external contamination. Applications include idler assemblies, fan drive units, and engine assemblies across a wide range of Cat asphalt pavers, off-highway trucks, feller bunchers, wheel scrapers, motor graders, and large-displacement engines.

Specifications

• Type: Lip-Type (Rotating Shaft) Seal
• Hole Diameter: 127 mm (approx. 5.0 in.)
• Weight: 0.42 lbs.

Compatible Models

Caterpillar Asphalt Pavers: AP-1050, AP-1050B, AP-1055B, AP-1055D, AP-1055E, AP-555E, AP-650B, AP-655C, AP-655D

Caterpillar Paving Equipment (Barber-Greene): BG-225C, BG-245C, BG-2255C, BG-2455C, BG-2455D, BG655D, BG1055E

Caterpillar Off-Highway Trucks: 773E, 775E, 784B, 784C, 785, 785B, 785C, 785D, 789B, 789C, 789D, 793, 793B, 793C

Caterpillar Feller Bunchers / Wheel Feller Bunchers: 525, 525B, 525C, 535B, 535C, 545, 545C

Caterpillar Pipelayers / Track Equipment: 25, 619

Caterpillar Motor Graders: 24H, 127

Caterpillar Engines (3500 Series and related): 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C

Replaces Part Number(s):

1J4034, 1J-4034, 4B9371, 1G1859, 2H3811

Aftermarket Interchange Numbers

Interstate-McBee: M 1J4034

New aftermarket replacement part - not remanufactured, not used.