1337023 Pulley As-Idler Fits Caterpillar Models

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

This aftermarket replacement idler pulley (Pulley As-Idler) maintains proper belt tension and alignment in the accessory drive belt system on a wide range of Caterpillar (Cat) engines and machines, including excavators, off-highway trucks, wheel loaders, wheel tractors, Challenger tractors, and petroleum powertrain packages. Replaces OEM part number 1337023 (also formatted as 133-7023), and is also interchangeable with the superseding Caterpillar part number 1979641 / 197-9641.

Specifications

• Dimensions: approx. 2.76 x 2.76 x 3.54 in.
• Weight: approx. 2 lbs.
• Type: Belt Idler Pulley

Compatible Models

Caterpillar Engines: 3176, 3176C, 3196, 3406E, 3512C, 3524B, 3126B, 3126E, C-12, C-15, C-16, C6.6, C7, C9, C13, C15, C175, C175-16, C175-20, C18, 3516E

Caterpillar Excavators: 345B, 345B II, 345B II MH, 345B L, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 5090B, W345B II

Caterpillar Off-Highway Trucks: 793F, 793F XQ, 795F-AC, 797, 797B, 797F, 797F XQ

Caterpillar Wheel Tractors (Scrapers): 621B, 621E, 621F, 621G, 623B, 623E, 623F, 623G, 627E, 627F, 627G, 631D, 631E, 631G, 633D, 633E II, 637D, 637E, 637G, 657E, 657G

Caterpillar Wheel Loaders: 938H, 966G II, 972G II, IT38H

Caterpillar Challenger Tractors: 65C, 65D, MT735, MT745, MT755, MT765, MTC735, MTC745, MTC755, MTC765

Caterpillar Compactors / Motor Graders / Other: 814, 814F, 815F, 816F, 120M 2, AD30, D9T, 6060

Caterpillar Petroleum Powertrain Packages: CX31-C13I, CX31-C9I, TH31-C9P, TH35-C13I

Replaces Part Number(s):

1337023, 133-7023, CA1337023, 1979641, 197-9641, CA1979641

New aftermarket replacement part - not remanufactured, not used.