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The idler pulley is one of several pulleys that drive a vehicle's belt system. The idler pulley controls the belts that link to the crankshaft and handle different engine accessories such as the alternator, steering pump, and air-conditioning compressor.
The idler pulley has a sheave. It is a pulley component with a groove that runs down its end. The idler pulley is supported between supports, holds a belt over the roller then rests in the groove. The crankshaft's power moves the wheel that turns the belt. Then, it transmits torque, speed, and mechanical strength. Its prime purpose is to tighten and guide the engine drive belt.
Key Features:
Enhance the belt drive performance
Tension and direct the engine drive belt
Run the belt across a number of pulleys
Minimize vibration by supporting a belt section
Ensure that two gears rotate in the same direction
Maintains the belt alignment with the tensioner
Decrease belt service life and drive efficiency
Incredibly durable
Product Specifications:
Brand: Volvo Penta
SKU: 3847482
Weight: 0.68 LBS
Diagram Reference Number: 9
Condition: New
Manufacturer Part Number (MPN): 3847482
Replaces Product: 3848896
Volvo Penta Exploded view / schematic Alternator with Installation Parts