Dayco Overrunning Alternator Pulley OAP031

Dayco Overrunning Alternator Pulley Fits BMW X3, X5, 1 Series, 3 Series, 5 Series, Z4

A maker of both original equipment and automotive aftermarket products, Dayco is a recognised leader in the innovative design and manufacturing of a large range of belts, tensioners, hoses, and pulleys for several industries, including automotive, trucking, and powersports. Dayco's product line includes automatic belt tensioners, idler pulleys, fuel injection and radiator hoses, timing belts, hose clamps, and more, designed for compatibility with both foreign and domestic vehicles. Trust isn't just given, it's earned. Let Dayco earn your trust today.

Suitable for the various Australian vehicle models listed below. This is a guide only.
Add your vehicle details to My Garage to ensure it fits your vehicle. This will activate our 100% Fitment Guaranteed.

Key features

• High-quality construction for durability and reliability.
• Designed to reduce wear on the alternator and improve efficiency.
• Compatible with a wide range of BMW models for versatile application.
• Easy installation for DIY enthusiasts and professional mechanics alike.

Technical details

• Part type: Overrunning alternator pulley.
• Brand: Dayco.
• Compatibility: Various BMW models including 1 Series, 3 Series, 5 Series, X3, X5, and Z4.
• Material: Durable and resilient construction for long-lasting performance.

Applications / fitment

This overrunning alternator pulley is typically used in various BMW models to ensure optimal alternator function.

• BMW 1 Series (2004-2013)
• BMW 3 Series (2004-2013)
• BMW 5 Series (2005-2009)
• BMW X3 (2005-2011)
• BMW X5 (2006-2010)
• BMW Z4 (2006-2008)

Why buy from Mick’s Gone Bush?

• Trusted Australian business focused on reliable power, auto-electrical, and service parts.
• Stock sourced from reputable distributors and brands.
• Practical support for trade, off-grid, and fleet customers.
• Clear shipping, warranty, and customer service.

Frequently asked questions

What is an overrunning alternator pulley?

An overrunning alternator pulley is designed to allow the alternator to spin freely when the engine is turned off, preventing unnecessary wear and improving efficiency.

How do I know if this pulley fits my vehicle?

To ensure compatibility, check the vehicle models listed or add your vehicle details to My Garage for our 100% Fitment Guarantee.

Is installation difficult?

Installation is straightforward and can be done by both DIY enthusiasts and professional mechanics with basic tools.

What are the benefits of using a Dayco product?

Dayco products are known for their high-quality construction, reliability, and compatibility with a wide range of vehicles.

How should I maintain the overrunning alternator pulley?

Regularly inspect the pulley for wear and ensure it is properly lubricated to maintain optimal performance.