2W4087 Gear A Fits Caterpillar Models

One New Aftermarket Replacement Oil Pump Idler Gear for Caterpillar (Cat) Engines

This aftermarket replacement oil pump idler gear (Gear AS-IDLER) fits Caterpillar 3412-series and related engines used in machine and generator set applications. The idler gear is a critical component of the engine lubrication system, transmitting drive between the oil pump and the engine gear train to maintain consistent oil pressure.

Specifications

• Inner Diameter: 35mm
• Dimensions: 3.03 x 1.77 x 3.03 in.
• Weight: 1.5 lbs.

Compatible Models

Caterpillar Engines – Machine and Generator Set: 3412, 3412C, 3412D, D9L, D10N, D10R, D10T, D10T2, D11R, D11T

Caterpillar Off-Highway Trucks: 773B, 775B

Caterpillar Motor Graders / Scrapers: 651E, 657E

Caterpillar Large Mining Equipment: 990, 992C, 992D, 5110B

Caterpillar Gas Engines / Generator Sets: G3412, G3412C, PM3412, CG137-12

Caterpillar Paving / Road Equipment: PR-1000, PR-750B, SCT673, SPS342, SPT342

Replaces Part Number(s):

2W4087, 2W-4087

New aftermarket replacement part – not remanufactured, not used.