Audi A3, A4, A6, Q5 (1.6, 2.0 TDi) - Belt Tensioner

Description

This premium drive belt tensioner assembly is engineered to factory original equipment structural standards to maintain constant, precise serpentine belt tension across multi-accessory drive systems. Operating on an automatic spring-loaded lever configuration, it dynamically compensates for belt stretch, minimizes thermal expansion, and suppresses harsh vibrations that trigger belt slippage. Fitted with a high-grade internal bearing packed with heat-resistant lubricant, this durable pulley actively thwarts friction buildup and premature fluid failure under heavy engine bay operating temperatures. Replacing a worn or ticking tensioner ensures optimal performance for essential belt-driven accessories like the alternator, water pump, and power steering system.

Compatible Vehicles

Audi A1 & A1 Sportback (8X Platform) 1.6 TDi / 2.0 TDi (2010–2015)

Audi A3, Sportback & Cabriolet (8P Platform) 1.9 TDi / 2.0 TDi (2003–2013)

Audi A4 B8 / Avant / Allroad (8K Platform) 2.0 TDi (2007–2015)

Audi A5 / Coupe / Sportback / Cabriolet (8T / 8F Platforms) 2.0 TDi (2008–2017)

Audi A6 C6 / C7 & Avant (4F / 4G Platforms) 2.0 TDi (2004–2014)

Audi Q3 (8U Platform) 2.0 TDi (2011–2015)

Audi Q5 (8R Platform) 2.0 TDi (2008–2017)

Specifications

Part Type: Drive Belt Tensioner Pulley with Lever Arm Assembly

Position: Auxiliary Engine Drive Train / Serpentine Belt System

OEM Reference No: 038903315AD / 038 903 315 AD / 038903315AM / 038903315AH / 038903315AN

Alternative Part Numbers: 534 0164 10 (INA) / VKM 31058 (SKF) / 102297 (Febi Bilstein) / APV2511 (Dayco)

Outer Pulley Diameter: 70.00 mm

Width / Total Depth: 24.00 mm

Inner Bearing Bore Diameter: 17.00 mm

Tensioner Pulley Actuation: Automatic Mechanical Spring-Loaded

Surface Profile: Smooth / Grooveless Outer Backside Track

Material Composition: High-Grade Polymer / Heavy-Duty Cast Aluminum Bracket

Fast and reliable delivery available across South Africa.