1. Automatic Transmissions Products
  2. sku: 23950273777976762
  3. AUDI 0CJ-300-043-S-002

AUDI 0CJ-300-043-S-002 Trans Axle

fits make: Audi.

0cj-300-043-s-002 Audi Genuine Trans-axle

( Manufacturer Part Number: 0CJ-300-043-S-002 ), ( Part Type: Tran Axle ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement )

Review AUDI Genuine Trans axle

The Audi 0CJ-300-043-S-002 Trans-Axle is a high-performance, precision-engineered drivetrain component designed exclusively for Audi s front-wheel-drive (FWD) and all-wheel-drive (AWD) platforms, particularly those equipped with the iconic Quattro system. This trans-axle represents the pinnacle of Audi s engineering expertise, seamlessly integrating the final drive, differential, and front axle into a single, compact, and robust assembly. Built to exacting standards, it features a robust housing forged from high-strength steel, ensuring durability and resistance to the stresses of high-performance driving, aggressive cornering, and sustained load-bearing. The internal architecture incorporates a helical-bevel gear differential, optimized for smooth power delivery and minimal noise, while the integrated front axle utilizes a multi-link suspension design with precise ball joints, control arms, and bushings to maintain optimal wheel alignment and handling dynamics.

At its core, the 0CJ-300-043-S-002 trans-axle is engineered to support Audi s advanced Quattro AWD system, which dynamically allocates torque between the front and rear axles based on real-time driving conditions. The differential housing is meticulously machined to house a limited-slip differential (LSD) or open differential variant, depending on the vehicle s specification, ensuring either enhanced traction in slippery conditions or a more balanced power split for everyday driving. The gearing within the trans-axle is calibrated to deliver efficient torque transfer while minimizing energy loss, contributing to the vehicle s overall efficiency and responsiveness. Additionally, the unit incorporates sealed bearings and a robust oil containment system, designed to withstand the demands of high-speed driving, aggressive acceleration, and prolonged use without compromising performance or reliability.

For enthusiasts and restorers seeking to elevate their Audi s performance or restore it to factory specifications, the 0CJ-300-043-S-002 trans-axle is an indispensable component. Its compatibility spans a range of Audi models, including the 80/90 (B2/B3), 100 (C4), and early 200 (C3) series, as well as select models from the VW Group, such as the Porsche 944 and early 911 models that share Audi s front-wheel-drive architecture. The trans-axle s compact yet sturdy design allows for easy integration into existing drivetrain setups, while its high-quality construction ensures longevity and resistance to wear. Whether used in a daily driver, a performance-oriented vehicle, or a meticulously restored classic, this trans-axle embodies Audi s commitment to precision, innovation, and driving pleasure, delivering a blend of strength, efficiency, and reliability that is characteristic of the brand s engineering legacy.

### Pros and Cons of buying a Audi 0CJ-300-043-S-002 Trans-Axle

#### **Pros:**

1. **Compatibility and Reliability** This trans-axle is designed specifically for Audi vehicles, particularly models like the A4, A6, and S4/S6 from the late 1990s to early 2000s. It is a direct replacement part, ensuring proper fitment and functionality without major modifications.

2. **High-Quality Materials** Audi trans-axles are built with durable components, including precision-machined gears, sealed bearings, and robust housings. This contributes to longevity and smooth operation when properly maintained.

3. **Performance Potential** If you are modifying your vehicle for performance, this trans-axle can handle higher torque loads compared to stock units, especially when paired with a tuned engine or aftermarket upgrades. It is designed to support the power output of naturally aspirated or mild turbocharged engines in these Audi models.

4. **Availability of Support Parts** Since Audi parts are widely available, you can easily find gaskets, seals, bearings, and other accessories needed for maintenance or upgrades. This reduces downtime and repair costs.

5. **Resale Value** If you plan to sell the vehicle later, maintaining the original or upgraded trans-axle can help preserve its value, especially if it is part of a well-documented performance build.

6. **Durability for Daily Driving** For daily drivers, this trans-axle is robust enough to handle regular use without frequent failures, provided it is serviced according to Audi s maintenance schedule.

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#### **Cons:**

1. **Cost** Audi parts, including trans-axles, are generally more expensive than those from mass-market manufacturers. The price of this specific unit may range significantly depending on condition, source, and whether it is new or used. A new or rebuilt unit can be costly, especially if sourced directly from Audi or an authorized dealer.

2. **Complexity of Installation** Replacing or upgrading a trans-axle requires mechanical expertise, especially if you are working with a front-wheel-drive Audi model. It involves removing the engine and transmission assembly, which can be labor-intensive and time-consuming. If you lack experience, professional installation may be necessary, adding to the overall cost.

3. **Maintenance Requirements** Like any high-performance or high-torque component, this trans-axle demands regular maintenance, including fluid changes, bearing inspections, and seal replacements. Neglecting maintenance can lead to premature wear or failure, particularly in severe driving conditions.

4. **Potential for Counterfeit or Low-Quality Units** If purchasing a used or aftermarket unit, there is a risk of receiving a counterfeit or poorly rebuilt part. Always verify the source and ask for documentation or warranties to ensure authenticity and quality.

5. **Limited Longevity with Abuse** While durable, this trans-axle is not indestructible. Aggressive driving, excessive torque, or lack of proper lubrication can accelerate wear. If used in extreme conditions (e.g., heavy towing, frequent high-speed shifts, or off-roading), it may require more frequent servicing or replacement.

6. **Compatibility Issues with Modifications** If your vehicle has been heavily modified (e.g., significant power increases, drivetrain upgrades, or suspension changes), the stock trans-axle may not be sufficient. In such cases, you may need a reinforced or custom unit, which could be more expensive and harder to find.

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### **Conclusion:**

The Audi 0CJ-300-043-S-002 trans-axle is a solid choice for owners of compatible Audi models who prioritize reliability, performance, and longevity. It is well-suited for both daily driving and performance applications, provided it is properly maintained. However, the high cost, complexity of installation, and ongoing maintenance requirements should be carefully considered before purchasing.

For enthusiasts or those planning to modify their vehicle, this trans-axle offers a good balance of strength and compatibility. For casual drivers or those on a tight budget, the expense and technical demands may outweigh the benefits.

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### **Recommendation:**

- **Buy if:** You own a compatible Audi model, have the budget for a quality part, and are either experienced with mechanical work or willing to pay for professional installation. If you plan to modify your vehicle s power output, this trans-axle is a wise investment to support the increased load.

- **Avoid if:** You are on a tight budget, lack mechanical experience, or plan to use the vehicle in extreme conditions without proper upgrades. In such cases, consider a used or rebuilt unit from a reputable source to save costs, or explore alternative parts that better fit your needs.

- **Additional Tips:**

- Always purchase from a trusted dealer or supplier with a warranty to ensure quality.

- Budget for installation labor if you are not confident in performing the work yourself.

- Follow Audi s maintenance schedule strictly to maximize the trans-axle s lifespan.

- If modifying your vehicle, consult with a performance specialist to ensure the trans-axle can handle the increased power.

Details:

Genuine Audi Trans-Axle 0CJ-300-043-S-002: Parts: A6 Quarto. Losses or damages that occur after final delivery confirmation are not covered. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Special Order Items are not returnable under any circumstance.

Electrical parts are not returnable. Product Genuine Audi Trans-Axle 0CJ-300-043-S-002. Parts must be resalable and in the original packaging.

part #: 0cj300043s002 price

  • $10187.32

specifications autotransmissionsgo:

  • for makes: Audi
  • mpn: 0cj-300-043-s-002
  • part type: Tran Axle
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement

returns autotransmissionsgo:

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

offer autotransmissionsgo:

  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • started: May 24, 2026
  • availability: In Stock

seller autotransmissionsgo:

  • # reviews: 7604
  • city: Henderson, Nevada
  • rating: 99.8%

general autotransmissionsgo:

  • Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
  • condition: New

shipping autotransmissionsgo:

  • type: Fixed
  • class: Freight
  • cost: $285.00
  • service: Flat Rate Freight

payments autotransmissionsgo:

  • wallet: Paypal
  • other
  • credit card: Diners-club
for makes: audi, part type: tran axle, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement,
category: auto parts > car truck parts accessories > transmission drivetrain > automatic transmission, sku: 23950273777976762,
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1 offer $10187.32 USD
  • New. Offer #1 priced at $10187.32 + $285.00 shipping estimate = $10472.32* total. ProductGenuine Audi Trans-Axle Genuine Audi Parts.+$285.00 shipping

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