Vaico V10-3703 Accessory Drive Belt Tensioner Assembly

Accessory Drive Belt Tensioner for VW and Audi

Vaico V10-3703 is an accessory drive belt tensioner assembly built around the listed dimensions for a precise OE-style replacement. It is a direct-fit option for select 2015-2016 Audi A3 and 2015 Volkswagen Beetle, Golf, Golf SportWagen, Jetta, and Passat applications.

VAICO product line components are developed for European vehicle service needs, with attention to fit, form, and application-specific replacement requirements. The V10-3703 part number is also referenced in OE and aftermarket interchange listings for cross-checking before purchase.

• Accessory drive belt tensioner assembly for the belt drive system
• Dimensions: 75 mm height, 110 mm length, 100 mm width, 65 mm outer diameter
• Lightweight design at 0.628 kg for application-specific replacement
• Compatible with select Audi A3 and Volkswagen Beetle, Golf, Golf SportWagen, Jetta, and Passat models
• Cross-reference part numbers include 04L 903 315 A and 04L 903 315 B

Detailed Product Overview

Vaico V10-3703 is an accessory drive belt tensioner assembly used in the accessory drive belt system to maintain proper belt routing and operating tension. Correct tension is important for stable accessory drive performance and for reducing belt-related noise, slip, and uneven wear. This part number, V10-3703, is listed for 2015-2016 Audi A3 and 2015 Volkswagen Beetle, Golf, Golf SportWagen, Jetta, and Passat applications, making it a focused replacement choice for those vehicles.

For fitment-based searches, this part is commonly referenced as an accessory drive belt tensioner assembly for 2015-2016 Audi A3 and 2015 Volkswagen Golf, Jetta, and Passat belt drive service. The V10-3703 designation should be matched against the vehicle’s existing component and OE references before installation.

What It Helps Address

• Belt squeal caused by inconsistent tension
• Accessory belt slippage under engine load
• Visible belt wear from poor tension control
• Noise from a worn or weak tensioner assembly
• Drive belt routing issues during belt service

Installation Notes and Tips

Verify the OE number and physical dimensions before installation, especially the 75 mm height, 110 mm length, 100 mm width, and 65 mm outer diameter listed for this part. Inspect the accessory belt, pulleys, and related belt drive components at the same time, since wear in adjacent parts can affect tensioner performance. Confirm the application against your vehicle’s engine configuration using the OE cross-reference numbers and the existing tensioner assembly.

Fits 2015-2016 Audi A3, N/A. Fits 2015 Volkswagen Beetle, N/A. Fits 2015 Volkswagen Golf, N/A. Fits 2015 Volkswagen Golf SportWagen, N/A. Fits 2015 Volkswagen Jetta, N/A. Fits 2015 Volkswagen Passat, N/A.

Quality Assurance

Vaico parts are positioned for European vehicle replacement service with application-specific fitment and OE-reference alignment. Part number V10-3703 is listed with multiple interchange references, which supports catalog verification when matching the correct accessory drive belt tensioner assembly for your Audi A3 or Volkswagen application.