Drive Belt Idler Pulley 6422300342 for Mercedes-Benz GL-Class X164 ML-Class W164 2009-2012

Description

Maintain proper belt alignment and tension with this drive belt idler pulley designed for Mercedes-Benz GL-Class and ML-Class vehicles. This component supports the accessory drive system on select OM642 engine models, helping to reduce vibration and ensure reliable operation of critical engine accessories.

Key Features

• Reference OE number 6422300342 for Mercedes-Benz GL-Class X164 (2009-2012) and ML-Class W164 (2009-2010).
• Supports the accessory drive belt system on vehicles equipped with OM642 diesel engines.
• Direct replacement design helps restore proper belt tension and alignment.
• Manufactured to meet or exceed original equipment specifications for fit and function.
• Professional installation is recommended to ensure correct belt routing and torque specifications.

Technical Specifications

Package Includes

• 1 x Drive Belt Idler Pulley

FAQ

Q: Will this fit my 2010 Mercedes-Benz ML350 BlueTEC?

A: This pulley is designed for ML-Class W164 models from 2009-2010 with OM642 engines. Please verify your engine type and existing part number 6422300342 before ordering.

Q: Is this an OEM Mercedes-Benz part?

A: This is an aftermarket replacement part that references OE number 6422300342. It is designed to meet original specifications but is not a genuine Mercedes-Benz branded component.

Q: Does this include installation hardware?

A: Package includes the idler pulley only. Mounting bolts may need to be reused from your original installation or purchased separately.

Q: What symptoms indicate a failing drive belt idler pulley?

A: Common signs include squealing noises from the engine bay, visible wobble in the pulley, or premature belt wear. We recommend professional diagnosis before replacement.