Vaico V45-0104 Accessory Drive Belt Idler Pulley - Center, Left or Right

Accessory Drive Belt Idler Pulley for Audi, Porsche, Volkswagen

The Vaico V45-0104 accessory drive belt idler pulley is built for vehicles that rely on a smooth-running belt system to keep accessory drive operation consistent. With a 65 mm outer diameter and Polyamid 6 construction, this pulley is specified for select Audi, Porsche, and Volkswagen applications across the 2009-2016 model years.

VAICO product line components are developed for European vehicle service needs, with dimensions and material selection focused on OE-style replacement fitment. The V45-0104 is a direct-reference part for accessory drive belt system service on models such as Audi A6 Quattro, Audi A7 Quattro, Audi A8 Quattro, Audi Q5, Audi Q7, Porsche Cayenne, and Volkswagen Touareg.

Key Features

• Accessory drive belt idler pulley for belt routing and tension management
• 65 mm outer diameter, 65 mm width, and 26 mm height
• Polyamid 6 construction for durable belt system service
• Lightweight design at 0.110 kg
• VAICO V45-0104 replacement part for select Audi, Porsche, and Volkswagen applications
• Cross-references Four Seasons 55787 for the same application

Detailed Description

The Vaico V45-0104 accessory drive belt idler pulley is used in the accessory drive belt system to guide the belt along its intended path and maintain stable operation of driven accessories. Its 65 mm outer diameter and matching width provide the dimensional profile needed for the listed European vehicle applications, while the Polyamid 6 material supports consistent service in engine-bay conditions. This part number, V45-0104, is listed for 2009-2016 Volkswagen Touareg, 2009-2015 Audi Q7, 2014-2016 Audi A6 Quattro, 2014-2016 Audi A7 Quattro, 2014-2016 Audi Q5, 2015-2016 Audi A8 Quattro, and 2013-2016 Porsche Cayenne. If you are sourcing an accessory drive belt idler pulley for Audi Q7 or a belt system replacement for Volkswagen Touareg, V45-0104 provides a direct-reference option for the specified fitments.

What It Helps Address

• Belt noise caused by a worn or rough idler pulley
• Uneven accessory belt tracking
• Visible pulley wear or surface damage
• Accessory drive belt service on Audi, Porsche, and Volkswagen models
• Replacement of a pulley that no longer spins smoothly

Installation Notes and Tips

Verify the pulley dimensions, mounting style, and vehicle application before installation. Confirm the exact model year, engine configuration, and belt routing against the vehicle service information for Audi A6 Quattro, Audi Q7, Porsche Cayenne, Volkswagen Touareg, and other listed applications. Inspect the accessory drive belt, tensioner, and adjacent pulleys during service so the new idler pulley is installed into a clean, properly aligned belt path.

Quality Assurance

VAICO parts are cataloged for European vehicle service applications and are identified here by part number V45-0104 for direct-reference ordering and fitment verification. The listed dimensions, material, and vehicle coverage support accurate replacement selection for the specified accessory drive belt system applications.