Vaico V30-3118 Engine Timing Belt Idler

Engine Timing Belt Idler for Mercedes-Benz

VAICO V30-3118 is an engine timing belt idler built for specific Mercedes-Benz applications with OE number 6422002070. It uses a Polyamid 6.6 construction and precise dimensions to support proper belt routing in the valve train system.

Key Features

• Engine timing belt idler for OE-style replacement applications.
• Polyamid 6.6 construction for durable belt contact.
• Measured dimensions: 85 mm outer diameter, 10 mm inner diameter, 34 mm height.
• Fits multiple Mercedes-Benz diesel and gasoline applications listed below.
• VAICO part number V30-3118 for catalog matching and service lookup.

Detailed Description

This timing belt idler is intended for Mercedes-Benz models that use OE number 6422002070, including Maybach S560, Maybach S650, S65 AMG, Sprinter 2500, Sprinter 3500, GLS350d, Maybach S550, Maybach S600, S600, GL350, GLE350d, ML350, and S350 applications. Fitment includes 2012-2019 model years depending on the vehicle and configuration, so the notes should be checked carefully before ordering. The VAICO V30-3118 is a direct catalog match for service work where the original idler specification is required.

VAICO’s VAICO line is positioned for replacement parts that follow OE reference data and application-specific fitment. The V30-3118 part number should be used alongside the OE reference 6422002070 when verifying the correct timing belt idler for the vehicle.

What It Is Used For

• Replacing a worn or noisy timing belt idler.
• Restoring correct belt guidance in the engine timing system.
• Addressing belt tracking issues caused by pulley wear.
• Supporting service repairs on Mercedes-Benz engines listed in the fitment data.
• Matching OE reference 6422002070 during parts lookup.

Installation Notes and Tips

Verify the OE number 6422002070, the engine configuration, and the fitment notes before installation. Several applications include exclusions for specific equipment packages, so confirm the vehicle details against the listing for the exact Mercedes-Benz model. Use the part number V30-3118 and the OE reference together when cross-checking the application.

Quality Assurance

VAICO replacement parts are cataloged for OE-referenced applications and application-specific fitment verification. This part cross-references Mercedes-Benz OE numbers 642 200 20 70 and A6422002070 for the same application.