fits make: Audi.

( Part Type: Driveshaft ), ( Ipn: 431-59652 ), ( Oe/oem Part Number: 4g0521101m ), ( Superseded Part Number 1: 4g0521101j ), ( Conditions And Options: Assy, Rear ), ( Fitment Type: Direct Replacement ), ( Genuine Oem: Yes ), ( Id: 5527684 )
The **Audi 431-59652 Rear Drive Shaft for RS7** is a high-performance, precision-engineered component designed exclusively for Audi s legendary **S6 and RS7 (4U2, 4U7, and 4U8 chassis)** models, ensuring optimal power delivery, durability, and reliability under extreme driving conditions. Crafted from **high-grade, heat-treated alloy steel**, this drive shaft is built to withstand the immense torque and rotational forces generated by the RS7 s **5.2L VR10 engine** (or the later **4.0L twin-turbo V8** in the 4U8 chassis), delivering seamless power transfer from the transmission to the rear axle without compromising on strength or flexibility. The shaft features a **sleek, aerodynamic design** with **precision-machined CV (constant velocity) joints** at both ends, incorporating **high-capacity ball bearings** and **optimized rubber boots** to minimize friction, reduce wear, and extend service life critical for maintaining peak performance in both track and street applications. The **inner and outer CV joints** are engineered with **low-mass, high-efficiency bearings** to reduce rotational inertia, enhancing acceleration and responsiveness while mitigating vibration and noise, even at high RPMs. Additionally, the shaft incorporates **Audi s proprietary snap-in spline connection**, ensuring a secure, vibration-dampened fit that prevents backlash and maintains alignment with the differential and transmission outputs. For enhanced durability, the drive shaft is **galvanized and coated** with a protective layer to resist corrosion from road salt, moisture, and environmental contaminants, making it ideal for both daily driving and high-mileage performance enthusiasts. Whether installed in a **stock RS7, a modified high-horsepower build, or a track-focused vehicle**, this drive shaft guarantees **superior strength, smooth operation, and long-term reliability**, reinforcing the RS7 s reputation as a force to be reckoned with on and off the track.
### Pros and Cons of buying a Audi 431-59652 Rear Drive Shaft for an RS7
#### **Pros:**1. **Direct Fitment** The 431-59652 is a known direct replacement for the rear drive shaft in certain Audi models, including the RS7 (depending on the specific year and variant). It is designed to match the original dimensions, ensuring compatibility without requiring extensive modifications.
2. **OEM Quality** Audi s original equipment parts are built to strict standards, ensuring durability and reliability. This part is likely to perform as well as or better than aftermarket alternatives in terms of longevity and fit.
3. **Warranty Coverage** Purchasing from an authorized Audi dealer or a reputable supplier may include warranty protection, providing peace of mind against premature failure or manufacturing defects.
4. **Performance Integrity** Since the RS7 is a high-performance vehicle, using an OEM or high-quality replacement ensures that the drivetrain components maintain their intended performance characteristics, such as weight distribution and power delivery.
5. **Ease of Installation** As an OEM part, it is designed to fit seamlessly into the vehicle s drivetrain setup, reducing the complexity of installation compared to aftermarket parts that may require additional adapters or modifications.
6. **Resale Value** Using genuine or high-quality parts can help preserve the vehicle s value, especially if the car is intended for resale or remains in showroom condition.
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#### **Cons:**1. **Cost** OEM parts, especially for high-performance vehicles like the RS7, are significantly more expensive than aftermarket alternatives. The 431-59652 may cost several hundred dollars, depending on the supplier and region.
2. **Limited Availability** Depending on the RS7 s generation and specific drivetrain configuration, finding the exact OEM part number (431-59652) may be challenging. Some suppliers may stock it, while others may require special ordering, leading to delays.
3. **Potential Counterfeit Parts** There is a risk of purchasing counterfeit or low-quality OEM parts, particularly when buying from unauthorized sellers. These parts may fail prematurely or not fit correctly, leading to additional repair costs.
4. **Weight Considerations** While the OEM part is designed for the vehicle, some aftermarket alternatives may offer lighter or more robust materials. If weight reduction is a priority for performance tuning, an OEM part may not be the optimal choice.
5. **Installation Complexity** Replacing a drive shaft, even an OEM part, can be labor-intensive and may require specialized tools or equipment. If the vehicle is not lifted or the driveshaft is corroded, additional work (e.g., cleaning, lubrication, or alignment) may be necessary.
6. **Depreciation** Like all vehicles, an RS7 depreciates over time. If the part is replaced purely for cosmetic or aesthetic reasons (e.g., matching a restored drivetrain), the cost may not be justified by long-term benefits.
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### **Conclusion:**The Audi 431-59652 rear drive shaft is a reliable and high-quality replacement for the RS7, assuming it is the correct part for your specific model year and drivetrain configuration. Its primary advantages lie in its direct fitment, OEM quality, and warranty support, which are ideal for maintaining the vehicle s performance and integrity. However, the high cost and potential availability issues may make it less appealing compared to aftermarket options, especially if the part is only being replaced due to wear rather than a full restoration project.
For most RS7 owners who prioritize reliability and long-term durability, the 431-59652 is a strong choice, particularly if purchased from a trusted supplier. If budget or availability is a concern, thorough research into aftermarket alternatives (such as those from reputable brands like Quaife or DuraShaft) may be warranted, though these should be carefully vetted for compatibility and quality.
### **Recommendation:**If you are certain that the 431-59652 is the correct part for your RS7 and you have verified its authenticity through an authorized Audi dealer or a well-reviewed online retailer, proceed with purchasing it. Pair this with professional installation to ensure proper alignment and lubrication. If cost is a major factor, explore high-quality aftermarket alternatives but conduct extensive research or consult with an Audi specialist to confirm compatibility and performance.
Ultimately, the decision should balance the need for reliability with practical considerations like budget and availability. For an RS7, where performance and longevity are critical, the OEM part remains the safest and most recommended option.
Boxes not allowed. AUDI RS7 14-17 4.0L. OEM Rear Drive Shaft For Audi RS7 Assy Rear, Notes: ASSY,REAR, Mileage: 137,000 Miles.