Vaico V10-3420 Accessory Drive Belt Tensioner Assembly

Accessory Drive Belt Tensioner for Volkswagen Jetta

Vaico V10-3420 is an accessory drive belt tensioner assembly for select Volkswagen Jetta applications. Built with a 70 mm height, 120 mm length, and 80 mm width, it is sized for the accessory drive belt system and supports proper belt tension in confirmed Jetta fitments.

VAICO is the product line used for OE-style replacement parts across engine and drivetrain service categories. This V10-3420 tensioner assembly is listed for Volkswagen Jetta models with ribbed V-belt applications, including compressor belt and air conditioning belt configurations.

• Accessory drive belt tensioner assembly for belt system service
• Dimensions: 70 mm height, 120 mm length, 80 mm width
• Weight: 0.550 kg
• Fits 2013-2015 Volkswagen Jetta, N/A
• Fits 2016 Volkswagen Jetta, N/A
• Part number V10-3420 for catalog and fitment lookup

Detailed Product Overview

Vaico V10-3420 is an OE-style accessory drive belt tensioner assembly for Volkswagen Jetta models listed in the fitment data. It is used in ribbed V-belt setups, including 2013-2015 Volkswagen Jetta compressor belt applications and the 2016 Volkswagen Jetta air conditioning belt application for a 17.65 x 492 mm poly belt. The compact housing dimensions and listed weight support straightforward parts matching during belt system repair.

This part cross-references Continental 40327 for the same application. The V10-3420 part number should be verified against the vehicle’s belt routing and engine accessory configuration before ordering.

Common Issues This Part May Address

• Belt tension loss in the accessory drive system
• Noise from a worn or unstable belt tensioner assembly
• Improper belt tracking on ribbed V-belt setups
• Service replacement for compressor belt or A/C belt tensioner applications
• Fitment replacement for Volkswagen Jetta belt system maintenance

Installation Notes and Tips

Confirm the existing belt routing, belt type, and engine accessory layout before installation. Match the vehicle year and application notes exactly: Fits 2013-2015 Volkswagen Jetta, N/A, and Fits 2016 Volkswagen Jetta, N/A. Verify the replacement against the original part number V10-3420 and the listed interchange references before final installation.

Quality Assurance

Vaico parts are cataloged for OE-style replacement use in European vehicle service. This tensioner assembly is identified by part number V10-3420 and supported by published dimensional data and interchange references for application verification.