1. Tensioners & Pulleys Parts
  2. sku: 6846975643815983
  3. AUDI 079903133B

AUDI 079903133B Engine Motor Drive Belt Tensioner Pulley A8L

fits model: D4. make: Audi.

079903133b Audi D4 A8l Engine Motor Drive Belt Tensioner Pulley Oem

( Manufacturer Part Number: 079903133B ), ( Part Type: Engine Motor Drive Belt )

Review AUDI A8l Engine Motor Drive Belt Tensioner Pulley Oem fits D4

The Audi 079903133B D4 A8l engine motor drive belt tensioner pulley is an essential component of your Audi vehicle's engine belt system. Designed specifically for Audi models with the D4 A8l engine, this tensioner pulley ensures the proper tension of the engine drive belt, which in turn maintains the optimal performance of various engine-driven accessories such as the alternator, water pump, and power steering pump.

This tensioner pulley is engineered with precision using high-quality materials that are resilient to wear and tear. The pulley features a robust design with a durable plastic housing and a metal pulley wheel. The metal wheel is ribbed to provide a larger contact area with the engine drive belt, allowing for better grip and more efficient transmission of power.

The tensioner pulley is also designed with a self-adjusting mechanism that automatically maintains the proper belt tension. This mechanism uses a spring-loaded arm that applies pressure to the belt when necessary, ensuring that the belt remains taut and does not slip. This not only improves the overall performance of the engine but also helps prolong the life of the engine drive belt and the accessories it powers.

Installation of the Audi 079903133B D4 A8l engine motor drive belt tensioner pulley is straightforward and can be done by most DIY enthusiasts. The pulley comes with all necessary mounting hardware, making the installation process hassle-free. However, if you're not confident in your ability to perform the installation yourself, we recommend seeking the assistance of a professional mechanic.

In conclusion, the Audi 079903133B D4 A8l engine motor drive belt tensioner pulley is a crucial component of your Audi's engine belt system. Its robust design, self-adjusting mechanism, and ease of installation make it an excellent choice for maintaining the optimal performance and longevity of your vehicle's engine and accessories.

A Comprehensive Analysis of Buying an Audi 079903133B D4 A8L Engine Motor Drive Belt Tensioner Pulley

Introduction:

The Audi 079903133B D4 A8L Engine Motor Drive Belt Tensioner Pulley is an essential component in the Audi vehicle's engine system. This part is responsible for keeping the drive belt correctly tensioned to ensure optimal engine performance. In this analysis, we will discuss the pros and cons of buying this pulley to help you make an informed decision.

Pros:

1. Enhanced Engine Performance: A faulty or worn-out pulley can lead to poor engine performance, misfires, and even engine damage. Replacing the pulley with a new one can help improve engine performance and prevent potential issues.

2. Long-Term Cost Savings: By investing in a new pulley, you can avoid the costly repairs that may come with continuing to use a faulty or worn-out pulley.

3. Improved Reliability: A new pulley can help increase the reliability of your Audi vehicle, ensuring that it continues to operate smoothly and efficiently.

Cons:

1. Cost: Replacing an engine component like the pulley can be an expensive proposition, especially if you are not performing the replacement yourself.

2. Labor Costs: If you are not mechanically inclined, you will need to pay for labor costs to have the pulley replaced at a garage or dealership.

3. Time Investment: If you choose to perform the replacement yourself, it can be a time-consuming process, requiring the removal of various engine components to access the pulley.

Conclusion:

The Audi 079903133B D4 A8L Engine Motor Drive Belt Tensioner Pulley is a crucial component of your Audi vehicle's engine system. While the cost and time investment required for replacement may be a deterrent, the potential benefits, such as improved engine performance, long-term cost savings, and increased reliability, make it a worthwhile investment.

Recommendation:

If you are experiencing issues with your Audi vehicle's engine performance, or if you suspect that the pulley may be worn out, we recommend investing in a new Audi 079903133B D4 A8L Engine Motor Drive Belt Tensioner Pulley. Whether you choose to perform the replacement yourself or have it done by a professional, the benefits of a properly functioning pulley far outweigh the costs.

Details:

All of the parts are tested either before or after removal from vehicle. Large items include: hood, door shell, fender, engine, transmission, trunk hatch, windshield, bumper, reinforcement clip, sub frame, roof, quarter apron, gas tank, etc. Shipping cost or carrier may change, based on final destination. Original Audi part.

Item may show light scuffs, scratches or other imperfections as a result of this being used part. Item is in good working condition. Please, do not purchase parts just to check and diagnose your vehicles problem.

part #: 079903133b prices

  • $53.95-$96.39

specifications tensionpull:

  • for models: D4
  • for makes: Audi
  • mpn: 079903133b
  • part type: Engine Motor Drive Belt

seller tensionpull:

  • city: Kaufman, Texas
  • # reviews: 102
  • rating: 100.0%

shipping tensionpull:

  • cost: $15.00
  • transit: 2-6 Days
  • type: Fixed
  • class: Standard
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx

returns tensionpull:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Buyer

offer tensionpull:

  • quantity: 1
  • options: Ship-to-home
  • started: January 20, 2026
  • best offers: True
  • availability: In Stock
  • sold: 0

payments tensionpull:

  • wallet: Google-pay
  • other
  • credit card: Mastercard

general tensionpull:

  • Engines Engine Parts > Timing Components Kits > Tensioners Pulleys
  • condition: Used
for models: d4, for makes: audi, part type: engine motor drive belt,
category: auto parts > engines engine parts > timing components kits > tensioners pulleys, sku: 6846975643815983,

Audi 079903133B Is Similar To:

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2 offers $53.95–$96.39 USD
  • Offer #1: $53.95 price + $15.00 shipping estimate = $68.95* total. All of the parts are tested either before or after removal from the vehicle. Original Audi part.+$15.00 shipping
  • Offer #2: $96.39 price + $42.23 shipping estimate = $138.62* total. Part Number - THERE MAY BE SOME AGE RELATED MARKS (SEE IMAGES).+$42.23 shipping

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