5L3979 V-Belt Single for Caterpillar Equipment — SKU 5L3979

The 5L3979 V-belt group is an engine belt spare part used with Caterpillar equipment. The listed applications include Caterpillar engines and generator sets equipped with the 3013, 3054, 3304, 3306, 3304B, 3306B, and G3306 engine models.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is identified as a single V-belt and is supplied under SKU 5L3979.

Fitment

The 5L3979 V-belt group is listed for the following Caterpillar engine applications:

• Caterpillar 3013 engine
• Caterpillar 3054 engine
• Caterpillar 3304 engine
• Caterpillar 3306 engine
• Caterpillar 3304B engine
• Caterpillar 3306B engine
• Caterpillar G3306 engine

The part is identified for use in Caterpillar engine equipment and Caterpillar generator set applications. Fitment should be confirmed against the engine model and the belt configuration installed on the machine or generator set.

Compatibility is listed by engine model rather than by a specific machine model. The supplied application data does not identify individual machine series, model years, drive arrangement, or the number of belts installed in a particular equipment configuration.

Cross-reference numbers

The V-belt group is listed under the following part numbers:

Part number 5L3979 is used as the product SKU and as the primary identification number for this V-belt group. Number 3K9619 is included as an additional known identification for the same listed belt application.

The available product data does not provide additional supplier numbers, belt profile designations, belt section codes, or a separate number for an installation kit. No additional cross-reference numbers are included.

Specifications

The dimensions provided are length, width, and depth measurements for the listed part. The available data does not specify whether the length is measured as an outside circumference, pitch length, or effective belt length, and it does not provide a separate dimensional standard.

No material specification, belt compound, reinforcement type, pulley profile, tension setting, operating temperature range, or installation hardware is stated in the available product information. The listed item is the single V-belt group; no additional belt, pulley, tensioner, fasteners, or other components are identified as included.