Vaico V30-3113 Accessory Drive Belt Idler Pulley

Accessory Drive Belt Idler Pulley for Mercedes-Benz

Restore proper belt routing and tension control with the VAICO V30-3113 accessory drive belt idler pulley. Built with a Polyamid 6.6 body and grooved pulley design, it matches OE reference 2782020519 for a direct-fit replacement on select Mercedes-Benz models.

Compatible With Mercedes-Benz CLS550, E550, S550, SL550, and other listed applications across 2011-2017 model years, this idler pulley is sized for the accessory drive belt system and built to match the original mounting and pulley dimensions.

Key Features

• Accessory drive belt idler pulley for belt system service
• VAICO part number V30-3113
• OE reference 2782020519 for application matching
• Grooved pulley design for accessory belt routing
• Polyamid 6.6 construction for durable underhood use
• Dimensions: 62 mm outer diameter, 17 mm inner diameter, 67 mm length, 27 mm height

Product Details

The VAICO VAICO V30-3113 accessory drive belt idler pulley is engineered for Mercedes-Benz vehicles that use OE number 2782020519. It is a grooved idler pulley with a 62 mm outer diameter, 17 mm inner diameter, and 67 mm width, making it a precise replacement for the accessory drive belt system. This part is listed for applications including 2012-2017 Mercedes-Benz CLS550, 2012-2017 Mercedes-Benz E550, 2012-2017 Mercedes-Benz S550, 2013-2017 Mercedes-Benz SL550, and other Mercedes-Benz AMG and GL/GLE/GLS models shown in the fitment data. This part cross-references Mercedes-Benz OE numbers 278 202 05 19 and A 278 202 05 19 for the same application.

What It Helps Address

• Belt noise caused by a worn idler pulley bearing or surface
• Uneven accessory belt tracking
• Visible pulley wear or cracking
• Loss of proper belt routing in the accessory drive system
• Service replacement for OE number 2782020519 applications

Installation Notes and Tips

Verify OE number 2782020519 and confirm the pulley dimensions before installation. Inspect the accessory drive belt, tensioner, and adjacent pulleys for wear at the same time, since a worn belt system can shorten the life of the replacement pulley. Confirm fitment against the vehicle listing for your Mercedes-Benz CLS550, E550, S550, SL550, or other supported model before service.

Quality Assurance

VAICO supplies aftermarket replacement parts for European vehicle applications, and this pulley is built to match the listed OE reference and dimensional specifications for the confirmed Mercedes-Benz fitments.