Audi AAN toothed belt pulley



Audi AAN Billet Toothed Belt Pulley

Product Overview:

Unlock the true potential of your Audi AAN engine with our premium Billet Toothed Belt Pulley. Engineered to deliver superior performance, durability, and precision, this high-quality pulley is a must-have upgrade for Audi enthusiasts looking to enhance their engine’s efficiency and reliability. Made from top-grade billet aluminum and CNC-machined for an exact fit, our toothed belt pulley ensures optimal timing and performance for your Audi AAN.

Key Features:

  • Superior Material: Crafted from high-strength billet aluminum, our toothed belt pulley offers exceptional durability and wear resistance, guaranteeing long-lasting performance under all driving conditions.
  • Precision Engineering: CNC-machined to precise tolerances, this pulley ensures a perfect fit and accurate timing, contributing to smoother engine operation and enhanced overall performance.
  • Enhanced Durability: The robust billet aluminum construction provides greater stability and reduces the risk of belt slippage, ensuring consistent timing and reliable engine performance.
  • Optimized Performance: By maintaining accurate timing and minimizing belt deflection, our billet pulley improves engine efficiency, resulting in better power delivery and throttle response.
  • Lightweight Design: The lightweight design reduces rotational mass, leading to quicker engine revs and improved overall performance without compromising strength.
  • Corrosion Resistant: Anodized for additional protection, the pulley is highly resistant to corrosion and environmental factors, ensuring it maintains its appearance and performance over time.
  • Direct Replacement: Designed as a direct replacement for the factory pulley, our billet toothed belt pulley is easy to install with no modifications required, making it an ideal upgrade for both professional mechanics and DIY enthusiasts.


  • Compatible with Audi AAN engines
  • Suitable for high-performance street builds, track cars, and daily drivers
  • Ideal for both naturally aspirated and forced induction engines

Why Choose Our Billet Toothed Belt Pulley?

Choosing our Billet Toothed Belt Pulley means investing in a top-tier performance upgrade for your Audi AAN engine. With its superior materials, precision engineering, and optimized design, this pulley offers unmatched benefits, ensuring your engine runs smoothly and efficiently under all conditions. Whether you’re aiming for improved daily driving or peak performance on the track, our billet pulley delivers the quality and performance you need.


  • Material: Billet aluminum
  • Manufacturing Process: CNC-machined
  • Finish: Anodized for corrosion resistance

Package Contents:

  • Billet toothed belt pulley
  • Installation hardware
  • Detailed installation instructions


Our Billet Toothed Belt Pulley is designed for straightforward installation, with comprehensive instructions included to guide you through the process. Whether you’re a professional mechanic or an experienced DIY enthusiast, you can achieve a secure and effective installation, ensuring your engine benefits from the improved performance and reliability this upgrade provides.

Upgrade Your Audi Today:

Transform your Audi AAN engine with our Billet Toothed Belt Pulley. Experience enhanced engine efficiency, improved power delivery, and superior durability. Order now and take the first step towards unlocking the full potential of your Audi engine.

Billet toothed belt pulley (Fits also to RS4).

CNC milled from 42CrMo4

Perfect fit!

Original part number: 034 105 263 A