2.278.313 Idler Pulley for Caterpillar

2.278.313 is an idler pulley used in the belt tensioning system of Caterpillar C11 and C13 engines. The part is listed in the Belt Tightener category and is intended for installation in the belt drive assembly of the compatible engine.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The equipment brand for the listed fitment is Caterpillar; the additional numbers below are cross-reference numbers associated with Cummins and Dynacraft.

Fitment

• Caterpillar C11 engine
• Caterpillar C13 engine

The available fitment information identifies the engine series listed above. Compatibility should be checked against the part number and the configuration of the belt tensioning assembly before installation.

Cross-reference numbers

The cross-reference numbers identify the same idler pulley application in the available parts data. They are provided for part-number comparison when matching the pulley to an existing belt tensioner or engine assembly.

Specifications

The part is supplied as the idler pulley identified by SKU 2.278.313. No additional dimensions, thread specifications, material data, mounting hardware, or kit contents are specified in the available product information.