AUDI 0B6-300-036-CX-002 Trans Axle

( Manufacturer Part Number: 0B6-300-036-CX-002 ), ( Part Type: Tran Axle ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Replaces Part Number: B6300036c002 )

Review AUDI Genuine Trans axle fits 2010

The **Audi 0B6-300-036-CX-002 Trans-Axle** is a precision-engineered, front-wheel-drive transaxle designed exclusively for Audi s 80, 90, and Vantage models from the early 1990s, specifically tailored to the **A6 (B4) and A8 (D2) platforms** as well as the **S4 and RS2 Avant** variants. This transaxle represents Audi s sophisticated integration of transmission and differential functions into a single compact unit, ensuring seamless power delivery to the front wheels while maintaining the brand s signature balance of performance, reliability, and driving dynamics. Built with Audi s proprietary **0B6** transmission family, this unit employs a **five-speed manual gearbox** paired with a **torsen-type limited-slip differential**, delivering a smooth yet responsive shift feel that enhances both sporty handling and everyday drivability. The transaxle s robust construction features a **cast aluminum housing** reinforced with high-strength steel components, providing durability under high torque loads while minimizing weight for improved efficiency. Internally, the gearset incorporates **helical cut gears** and **synchronized shift mechanisms**, ensuring precise engagement and reducing wear over time, even under aggressive driving conditions. The differential s **torsen design** offers a near-perfect 50/50 torque split under normal conditions while automatically locking up slightly during cornering or acceleration, improving traction without sacrificing stability. This transaxle is also equipped with **Audi s proprietary shift linkage and hydraulic valve body**, which, when properly maintained, delivers crisp, predictable shifts with minimal effort. Whether installed in a restored classic or a modernized performance build, the **0B6-300-036-CX-002** stands as a testament to Audi s engineering prowess, blending German engineering precision with the practicality of front-wheel-drive architecture. For enthusiasts seeking authenticity or those rebuilding a classic Audi, this transaxle is a critical component that ensures both mechanical integrity and the iconic driving experience Audi is renowned for.

### **Pros and Cons of buying a Audi 0B6-300-036-CX-002 Trans-Axle**

#### **Overview**

The **Audi 0B6-300-036-CX-002** is a **transaxle (transmission differential)** used in **Audi 80/90 (B3/B4), VW Passat (B3/B4), and other VW Group models** from the early to mid-1990s. It is a **5-speed manual transaxle** with a **torsen-type limited-slip differential (LSD)** in the rear axle, making it popular among performance enthusiasts.

---

### **Pros**

1. **Performance & Handling**

- The **torsen LSD** provides **better traction and stability** compared to open differentials, making it ideal for **drift cars, track use, or spirited driving**.

- The **5-speed gearbox** is **lightweight and efficient**, offering **quick shifts** when modified.

- The **compact design** allows for **lower center of gravity**, improving handling.

2. **Durability & Reliability (When Well-Maintained)**

- The **torsen LSD is nearly indestructible** if properly lubricated and not overloaded.

- The **transmission itself is robust** for its era, especially if sourced from a **high-mileage but well-cared-for** vehicle.

- **Aftermarket support is strong**, with **remanufactured units, LSD upgrades, and performance parts** widely available.

3. **Cost-Effective for Performance Builds**

- **Cheaper than a full rear axle swap** (e.g., from a **B5 1.8T or S3**).

- **Easier to install** than a full rear end in some cases, especially in **B3/B4 platforms**.

- **Can be paired with a stock or upgraded engine** (e.g., **1.8T, 2.0L, or even a turbocharged setup**) without major modifications.

4. **Aftermarket & Modification Potential**

- **LSD strength can be increased** with **aftermarket gears** (e.g., **Quicksilver, Torsen upgrades**).

- **Transmission can be rebuilt or remanufactured** by specialists like **Transmission Specialties, Audi Sport, or local shops**.

- **Clutch upgrades** (e.g., **Sachs, Dymag**) can improve durability under heavy loads.

- **Differential housing can be modified** for **spinning the diff** (common in drift builds).

5. **Availability & Parts Market**

- **Commonly found in salvage yards** (especially in Europe and the U.S.).

- **Remanufactured units** are available from **Audi specialists and third-party shops**.

- **Aftermarket LSD upgrades** (e.g., **Torsen 2.7, 3.3, or 4.1**) are widely sold.

---

### **Cons**

1. **Common Issues & Weaknesses**

- **Transmission Bearings & Seals** **Front output bearing and input shaft seals** are **known failure points**, especially if the unit was **neglected or overloaded**.

- **LSD Wear** While the **torsen mechanism is durable**, **poor lubrication or excessive heat** can cause **premature wear** in the **planetary gears**.

- **Clutch & Flywheel Wear** If paired with a **stock clutch**, it may **fail prematurely** under heavy power (e.g., **200 hp**).

- **Synchro Failures** **5th gear synchro is weak** and often **grinds** if shifted hard.

2. **Installation Challenges**

- **Not a "drop-in" replacement** for all applications **must match the drivetrain** (e.g., **B3/B4 vs. B5** have different flange sizes).

- **Requires proper alignment** **misalignment can cause excessive wear** on bearings and seals.

- **Some builds need a new driveshaft** if the original is **bent or worn**.

3. **Limited High-Power Compatibility**

- **Not designed for extreme power** (e.g., **300 hp without modifications**).

- **Stock LSD is strong but not for extreme drifting** (e.g., **100 mph drifts** may require a **heavier LSD**).

- **Transmission may need a **stronger clutch** (e.g., **Dymag 600 or Sachs 280**) for **high-torque applications**.

4. **Maintenance Requirements**

- **Regular LSD fluid changes** (every **50,000 100,000 miles**) to prevent **premature wear**.

- **Transmission fluid should be checked** (some builds use **ATF, others MTF consistency is key**).

- **Bearings and seals may need replacement** if the unit was **abused or not maintained**.

5. **Potential for Counterfeit or Poor-Quality Units**

- **Some "remanufactured" units are rebuilt poorly**, leading to **early failures**.

- **Buying from unknown sources** can result in **used units with hidden damage**.

- **Always verify provenance** (e.g., **Audi Sport, Transmission Specialties, or trusted local shops**).

---

### **Conclusion**

The **Audi 0B6-300-036-CX-002 transaxle** is a **great choice for performance builds** that prioritize **handling, LSD traction, and cost efficiency**. It excels in **daily drivers, track cars, and drift builds** where **moderate power (150 250 hp) and good traction** are desired.

However, it is **not a "set-and-forget" unit** **proper maintenance, clutch upgrades, and potential LSD reinforcement** are **essential** for longevity, especially under **heavy loads**. If you plan to **push it hard (250 hp)**, expect to **invest in aftermarket parts** (e.g., **stronger clutch, LSD upgrades, and transmission rebuilds**).

For **stock or lightly modified builds**, it is a **solid, affordable option**. For **high-performance applications**, **expect to modify and maintain it aggressively**.

---

### **Recommendation**

**B3/B4 Audi 80/90, VW Passat, or similar builds** needing an **LSD for better traction**.

**Drift cars, track cars, or spirited daily drivers** (150 250 hp range).

**Budget-conscious builders** who want a **performance upgrade without a full rear axle swap**.

**Those who plan to **maintain the unit properly** (fluid changes, clutch upgrades, LSD care).

**High-power builds (300 hp) without major modifications** (clutch, LSD, transmission reinforcement).

**Builders who neglect maintenance** (this unit **will fail** if abused).

**Those who want a "plug-and-play" solution** (some **flange and driveshaft adjustments** may be needed).

**Applications requiring extreme durability** (e.g., **daily 500 hp builds** consider a **B5 1.8T or S3 rear axle** instead).

- **Buy from a reputable source** (Audi Sport, Transmission Specialties, or a **trusted local shop**).

- **Get a rebuilt or remanufactured unit** (not a used salvage yard part).

- **Upgrade the clutch** (e.g., **Dymag 600 or Sachs 280**) if running **high power**.

- **Check LSD fluid and bearings** before installation.

- **Consider an LSD upgrade** (e.g., **Torsen 3.3 or 4.1**) if planning **aggressive drifting**.

- **Budget for maintenance** (fluid changes, potential **bearing/seal replacements**).

**If you re building a **fun, LSD-equipped car on a budget**, this transaxle is a **great choice**. If you re pushing **high power or extreme performance**, **expect to invest more in modifications and upkeep.**

Details:

Genuine Audi Trans-Axle 0B6-300-036-CX-002: Parts: S5. Electrical parts are not returnable. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Product Genuine Audi Trans-Axle 0B6-300-036-CX-002.

Parts must be resalable and in the original packaging.

part #: 0b6300036cx002 prices

• $148.58-$299.99

specifications autotransmissionsgo:

• for makes: Audi
• for years: 2010
• mpn: 0b6-300-036-cx-002
• part type: Tran Axle
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• replaces part number: B6300036c002

offer autotransmissionsgo:

• sold: 0
• started: May 25, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock

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shipping autotransmissionsgo:

• class: Freight
• service: Flat Rate Freight
• type: Fixed
• cost: $236.00

general autotransmissionsgo:

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

seller autotransmissionsgo:

• city: Escondido, California
• rating: 99.8%
• # reviews: 468

returns autotransmissionsgo:

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

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