AUDI 1084436007 Center Differential Tailshaft Gear

( Manufacturer Part Number: 1084436007 ), ( Type: Automatic Transmission ), ( Country Of Origin: Germany )

Review AUDI Differential Tailshaft Gear Oem fits A4 2010–2011

The **Audi 1084436007** is a precision-engineered center differential tailshaft gear designed exclusively for the **10th and 11th generation Audi A4 (B8 and B9 models)**, serving as a critical component in the vehicle s rear axle assembly. This high-performance part is integral to the differential mechanism, facilitating smooth and efficient power distribution between the rear wheels while maintaining optimal traction, stability, and drivetrain efficiency. Crafted from durable, heat-treated steel, the gear is machined to exacting tolerances to ensure minimal wear and maximum longevity, even under demanding driving conditions such as aggressive acceleration, high-speed cruising, or off-road maneuvers. Its robust construction prevents premature failure, reducing the risk of costly repairs and ensuring reliable performance over the vehicle s lifespan.

The **1084436007 center differential tailshaft gear** is engineered to integrate seamlessly with Audi s advanced drivetrain systems, including both rear-wheel-drive (RWD) and quattro all-wheel-drive configurations. Its precise fitment within the differential housing allows for optimal gear meshing, minimizing friction and energy loss while delivering consistent power transfer. The gear s design also incorporates specialized tooth profiles and surface treatments to enhance durability, resisting wear from constant engagement with the pinion and ring gears. This meticulous engineering ensures that the differential operates with near-silent efficiency, contributing to the A4 s signature blend of sporty handling and refined ride quality.

For Audi owners seeking to restore or upgrade their vehicle s rear axle, this OEM-quality gear is an ideal replacement for worn or damaged components, maintaining the factory s intended performance standards. Whether addressing a failure in the original gear or performing a routine maintenance swap, the **1084436007** ensures that the differential functions as intended, preserving the A4 s dynamic driving characteristics. Its compatibility with Audi s strict quality control standards makes it a trusted choice for both professional mechanics and discerning enthusiasts who demand authenticity and reliability in their vehicle s performance. Proper installation, along with the use of high-grade lubricants, further extends the gear s service life, reinforcing the A4 s reputation for precision engineering and enduring dependability.

**Pros and Cons of buying a Audi 1084436007 (10-11 A4 Center Differential Tailshaft Gear)**

1. **Direct Fitment** This part is designed specifically for the 2010-2011 Audi A4 models, ensuring compatibility without modifications.

2. **Improved Durability** The center differential tailshaft gear is a critical component in the transmission system. A high-quality replacement can reduce wear, prevent premature failure, and enhance drivability.

3. **Prevents Transmission Issues** Worn or damaged gears can cause shifting problems, grinding noises, or even transmission failure. Replacing this part can resolve these symptoms.

4. **OEM Quality (if genuine)** If purchasing from an official Audi dealer or a reputable supplier, you may get an OEM-level part that matches the original specifications.

5. **Cost-Effective Long-Term Solution** While the upfront cost may seem high, replacing a failing gear prevents more expensive transmission repairs down the line.

6. **Easier Maintenance** Some aftermarket parts come with warranties or better customer support, making future service easier.

7. **Potential Performance Boost** In some cases, a properly functioning differential gear can improve smoothness and responsiveness in gear shifts.

1. **High Cost** Authentic Audi parts can be expensive, especially if purchased from the dealer. Aftermarket alternatives may be cheaper but vary in quality.

2. **Installation Complexity** Replacing this part often requires specialized tools, mechanical skill, and time. DIY installation may not be feasible for all owners.

3. **Potential Counterfeit Parts** Buying from untrusted sellers risks receiving substandard or fake parts that fail quickly, leading to repeated replacements.

4. **Labor Costs** If taking the car to a mechanic, labor charges can add significantly to the total expense.

5. **Limited Availability** Some aftermarket suppliers may not stock this specific part, requiring extra effort to source it.

6. **Warranty Concerns** If the car is under warranty, replacing this part with a non-OEM component could void certain coverage.

7. **Mixed Quality in Aftermarket** While some aftermarket parts are excellent, others may wear out faster than OEM components, leading to recurring issues.

The Audi 1084436007 center differential tailshaft gear is a critical part that, when replaced properly, can prevent serious transmission problems and extend the life of your 2010-2011 A4. The decision to buy it depends on whether you prioritize **long-term reliability, cost efficiency, or ease of installation**.

If the part is failing and causing noticeable issues (e.g., rough shifting, unusual noises, or warning lights), replacing it is a **necessary investment** to avoid more costly repairs. However, if the car is otherwise in good condition and the symptoms are mild, you may delay replacement until symptoms worsen.

1. **Verify the Issue** Confirm that the problem is indeed related to the center differential tailshaft gear (e.g., through diagnostic scans or a mechanic s inspection).

2. **Choose Quality Over Cheapness** If opting for an aftermarket part, select a reputable brand (e.g., Mann, Febi, or OE-quality alternatives) rather than the cheapest option.

3. **Consider Professional Installation** Unless you have experience with transmission work, have a trusted mechanic perform the replacement to ensure proper fitting and alignment.

4. **Check Warranty Status** If the car is under warranty, consult with Audi or your dealer before proceeding to avoid voiding coverage.

5. **Budget for Potential Additional Work** Sometimes, related components (e.g., seals, bearings, or fluid) may need replacement during the process, so account for extra costs.

6. **Buy from Trusted Sources** Purchase from authorized Audi dealers, reputable online retailers (with verified reviews), or well-known aftermarket suppliers to avoid counterfeit parts.

**Final Verdict:** If the part is failing and causing drivability issues, replacing it is a **smart long-term solution** just ensure you source a high-quality part and have it installed correctly. If the car is otherwise reliable and the symptoms are minor, monitor the situation before committing to a replacement.

Details:

Please match part number to ensure fitment. As a result of it being used part, the item may show light scuffs, scratches, or other imperfections. Shipping prices for ground apply only to the continental states of USA. All of the parts are tested either before or after removal from vehicle.

This part may fit one or all of the described vehicles. Fitment and Compatibility. All electronic items are tested before being listed.

part #: 1084436007 prices

• $39.60-$123.49

specifications autotransmissionsgo:

• for models: A4
• for makes: Audi
• for years: 2010-2011
• mpn: 1084436007
• type: Automatic Transmission
• country of origin: Germany

offer autotransmissionsgo:

• options: Ship-to-home
• quantity: 1
• started: February 21, 2026
• best offers: True
• availability: In Stock
• sold: 0

shipping autotransmissionsgo:

• transit: 5-11 Days
• service: USPS Priority Mail
• type: Fixed
• class: Expedited
• carrier: USPS
• cost: $15.00

seller autotransmissionsgo:

• # reviews: 10148
• city: Lincoln, California
• rating: 99.8%

returns autotransmissionsgo:

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

general autotransmissionsgo:

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

payments autotransmissionsgo:

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

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