Volvo Idler Pulley 15125350

This is an Idler Pulley (often part of a belt tensioner or drive assembly) engineered for various Volvo Construction Equipment engines, designed to serve as a precision-rotating support component that maintains proper tension and alignment for the accessory drive belt (serpentine or V-belt).

Product Specifications

Average Weight: ~ 0.73 kg

Compatibility: Used in the auxiliary drive systems of various Volvo engines (such as the D-series) to guide and tension belts driving components like the alternator, water pump, and air conditioning compressor.

SL: 2A

Key Information

The idler pulley is a critical maintenance component that ensures the efficient transmission of power from the crankshaft to the engine's auxiliary systems. It features a precision-sealed ball bearing that allows for smooth, high-speed rotation under the constant side-load pressure of the belt. Because it operates in a high-heat, high-vibration environment, it is subject to bearing fatigue, seal failure, or degradation of the pulley surface.