Dayco Overrunning Alternator Pulley OAP117

Dayco Overrunning Alternator Pulley Fits Mercedes Benz M-Class, GL-Class, R-Class

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.

• Mercedes Benz GL-Class 3.0 X164 GL 320 CDI 4-matic (164.822) 2006-2009
• Mercedes Benz GL-Class 3.0 X164 GL 350 CDI 4-matic (164.823) 2010-2012
• Mercedes Benz M-Class 3.0 W164 ML 280 CDI 4-matic (164.120) 2005-2009
• Mercedes Benz M-Class 3.0 W164 ML 300 CDI 4-matic (164.120) 2009-2011
• Mercedes Benz M-Class 3.0 W164 ML 320 CDI 4-matic (164.122) 2005-2009
• Mercedes Benz M-Class 3.0 W164 ML 350 CDI 4-matic (164.122) 2009-2011
• Mercedes Benz R-Class 3.0 W251,V251 R 280 CDI (251.121, 251.026, 251.126) 2006-2012
• Mercedes Benz R-Class 3.0 W251,V251 R 280 CDI 4-matic (251.020) 2006-2012
• Mercedes Benz R-Class 3.0 W251,V251 R 300 CDI (251.021, 251.121, 251.026, 251.126) 2009-2011
• Mercedes Benz R-Class 3.0 W251,V251 R 300 CDI 4-matic (251.020) 2009-2011
• Mercedes Benz R-Class 3.0 W251,V251 R 320 CDI 4-matic (251.022, 251.122) 2006-2010
• Mercedes Benz R-Class 3.0 W251,V251 R 350 CDI 4-matic (251.023, 251.123) 2010-2013
• Mercedes Benz R-Class 3.0 W251,V251 R 350 CDI 4-matic (251.124, 251.125) 2006-2014

Key features

• Durable construction for long-lasting performance.
• Designed to reduce wear on the alternator and belt system.
• Easy installation for both DIY enthusiasts and professionals.
• Compatible with a wide range of Mercedes Benz models.
• Helps maintain optimal engine performance.

Technical details

• Brand: Dayco
• Part Type: Overrunning Alternator Pulley
• Fitment: Specific to Mercedes Benz models as listed above.
• Material: High-quality components for durability.

Applications / fitment

This overrunning alternator pulley is typically used in various Mercedes Benz models to ensure efficient alternator operation and to prolong the life of the vehicle's electrical system.

• Passenger vehicles including Mercedes Benz M-Class.
• 4x4 vehicles such as Mercedes Benz GL-Class.
• Luxury vehicles in the R-Class range.
• Ideal for both personal and fleet use.

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

How do I install the Dayco overrunning alternator pulley?

Installation typically involves removing the old pulley and replacing it with the new one. Refer to your vehicle's service manual for specific instructions.

Is this pulley compatible with all Mercedes Benz models?

This pulley is specifically designed for certain Mercedes Benz models as listed above. Please check compatibility before purchasing.

What are the benefits of using an overrunning alternator pulley?

An overrunning alternator pulley helps reduce wear on the alternator and belt system, improving overall engine performance and longevity.

Can I install this pulley myself?

Yes, this pulley is designed for easy installation, making it suitable for both DIY enthusiasts and professionals.

What should I do if the pulley fails?

If the pulley fails, it is recommended to replace it promptly to avoid further damage to the alternator and electrical system.