Drive Belt Idler Pulley for Mercedes A-Class 2008-2012 A160 CDI A170 6402020419 6682020119

Description

Maintain proper serpentine belt alignment and tension with this replacement drive belt idler pulley designed for Mercedes-Benz A-Class vehicles. Engineered to meet OEM specifications for reliable performance in CDI diesel engine applications.

Key Features

• Direct replacement for Mercedes-Benz A-Class A160 CDI and A170 models (2008-2012).
• Replaces OEM part numbers: 6402020419, 6682020119, 6682020419.
• Precision-machined pulley maintains proper belt tension and routing.
• Designed specifically for CDI diesel engine accessory drive systems.
• Professional installation recommended to ensure correct belt alignment.

Technical Specifications

Package Includes

• 1 x Drive Belt Idler Pulley

FAQ

Q: Will this fit my 2010 Mercedes A160 CDI?

A: This idler pulley is compatible with 2008-2012 Mercedes-Benz A-Class A160 CDI and A170 models. Please verify your exact model year and engine designation before ordering.

Q: Is this an OEM genuine Mercedes part?

A: This is an aftermarket replacement part designed to meet OEM specifications and replace the listed part numbers. It is not a genuine Mercedes-Benz part unless specified otherwise by the manufacturer.

Q: What happens if the idler pulley fails?

A: A failed idler pulley can cause belt slippage, squealing noises, or complete belt failure leading to loss of alternator, power steering, or air conditioning. Replace at the first sign of bearing noise or wobble.

Q: Does this include installation hardware?

A: This item typically includes the idler pulley assembly only. Mounting bolts and hardware should be reused from the original installation or sourced separately unless explicitly stated in the package contents.