1154237 Pulley-Idler Fits Caterpillar Models

One New Aftermarket Replacement Pulley-Idler for Caterpillar Equipment

This aftermarket replacement idler pulley is part of the engine belt drive system on a wide range of Caterpillar (Cat) equipment powered by the 3114, 3116, 3126, 3126B, 3126E, C-9, C7, and C9 engine families. The idler pulley maintains proper belt tension and alignment in the accessory drive, helping protect the water pump, alternator, and related components from premature wear.

Compatible Models

Caterpillar Asphalt Pavers: AP-1000, AP-1000B, AP-1055B, AP-655C, AP-755, AP-900B, BG-2455C, BG-245C

Caterpillar Backhoe Loaders: 446, 446B, 446D

Caterpillar Challengers: 35, 45

Caterpillar Cold Planers: PM-102

Caterpillar Compact Wheel Loaders: 910G

Caterpillar Excavators: 320B, 322B L, 322B LN, 322C, 322C FM, 325B L

Caterpillar Forwarders: 574

Caterpillar Gen Set / Generator Set Engines: 3114, C9

Caterpillar Industrial Engines: 3116, 3126, C-9, C7, C9

Caterpillar Integrated Toolcarriers: IT28F, IT28G, IT38F, IT38G, IT62G

Caterpillar Knuckleboom Loaders: 539

Caterpillar Landfill Compactors: 816F II

Caterpillar Marine Engines: 3116, 3126

Caterpillar Motor Graders: 120H, 120H ES, 120H NA, 135H, 135H NA

Caterpillar Petroleum Engines / Packages: C7, C9, CX31-C9I, TH31-E61

Caterpillar Pipelayers: 561M

Caterpillar Soil Compactors: 815F II

Caterpillar Track Loaders: 953C, 963B, 963C

Caterpillar Track-Type Tractors: D5M, D6M

Caterpillar Truck Engines: 3116, 3126, 3126B, 3126E, C7, C9

Caterpillar Vibratory Compactors: CB-634, CB-634C, CP-433E, CS-423E, CS-433E, CS-531D, CS-533D, CS-563C, CS-563D, CS-573C, CS-573D, CS-583C, CS-583D

Caterpillar Wheel Dozers: 814F II

Caterpillar Wheel Harvesters: 550, 570, 580

Caterpillar Wheel Loaders: 928G, 938F, 938G, 950F, 950F II, 950G, 960F, 962G

Caterpillar Wheel Skidders: 525B, 535B

Replaces Part Number(s):

1154237

New aftermarket replacement part - not remanufactured, not used.