2W4087 Gear A Fits Caterpillar Models
2W4087 Gear A Fits Caterpillar Models
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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.



