2249775 Pulley As-Idler Fits Caterpillar Models

One New Aftermarket Replacement Idler Pulley Assembly for Caterpillar (Cat) Engines and Equipment

This aftermarket replacement idler pulley assembly (Pulley As-Idler) fits Caterpillar C-Series engines and heavy equipment. The idler pulley guides and tensions the engine accessory belt drive system, supporting belt routing around engine components such as the alternator and fan assemblies, and reducing belt vibrations in segments prone to flex.

Specifications

• Weight: 3.3 lbs.
• Outside Diameter: 2.9 in. (74 mm)
• Overall Height: 3.3 in. (83 mm)
• Length/Width: 91.4 mm
• Height: 106.7 mm
• Assembly includes mounting hardware

Compatible Models

Caterpillar C-Series Engines: C11, C13, C15, C-15, C-16, C18, TH35-C13T, TH35-C15T

Caterpillar Wheel Tractor-Scrapers: 621B, 621E, 621F, 621G, 623B, 623E, 623F, 623G, 627E, 627F, 627G, 631D, 631E, 631E II, 633D, 633E, 633E II, 637D, 637E, 657E, 657G

Caterpillar Underground Articulated Trucks: AD45B, AD55

Caterpillar Mining Excavators: 6015, 6015FS, 6018

Replaces Part Number(s):

2249775, 224-9775

New aftermarket replacement part – not remanufactured, not used.