fits model: A5, Quattro. make: Audi. year: 2008–2018.

( Brand: Detroit Axle ), ( Manufacturer Part Number: 513301R ), ( Type: Wheel Bearing And Hub Assembly ), ( Placement On Vehicle: Rear ), ( Manufacturer Warranty: 10-year Limited Warranty ), ( Items Included: Kit Includes ), ( Hub Flange Type: 4-bolt Square )
The **Detroit Axle 513301R Rear Wheel Hub Bearing Assembly** is a precision-engineered, high-performance component specifically designed to replace the original equipment hub bearing in the **2008 2018 Audi A5 Quattro** models equipped with the **Quattro all-wheel-drive system**. Crafted to meet or exceed OEM specifications, this bearing assembly ensures smooth, vibration-free rotation of the rear wheels while maintaining optimal load-bearing capacity and durability under the demanding conditions of daily driving, spirited acceleration, and aggressive cornering. Engineered from **high-grade, heat-treated steel**, the inner and outer races feature **optimized ball and cage geometry**, reducing friction and extending service life while minimizing wear on the wheel hub and axle shaft. The **sealed design** incorporates a robust **grease reservoir** and **labyrinth seals**, effectively shielding internal components from contaminants like dust, road debris, and moisture, which are particularly prevalent in urban and off-road environments. This bearing is compatible with Audi s **multi-link rear suspension** and **torsen differential** setups, providing consistent torque transfer and lateral stability critical for the Quattro s balanced handling. Whether installed in a **sedan, wagon, or cabriolet**, this bearing assembly delivers the reliability expected from Detroit Axle a trusted name in automotive aftermarket components while ensuring seamless integration with the Audi A5 s advanced drivetrain and chassis systems. Built to withstand the rigors of modern driving, it is an ideal upgrade for owners seeking to restore or enhance the performance, safety, and longevity of their vehicle s rear axle assembly.
### Pros and Cons of buying a Detroit Axle 513301R Rear Wheel Hub Bearing for a 2008 2018 Audi A5 Quattro
#### **Pros:**1. **Compatibility and Fitment** The Detroit Axle 513301R is specifically designed as an OEM replacement for the rear wheel hub bearing in Audi A5 Quattro models from 2008 to 2018. This ensures a direct fit without the need for modifications, reducing installation complications.
2. **Durability and Quality** Detroit Axle is a well-regarded manufacturer in the aftermarket automotive parts industry, known for producing high-quality, long-lasting components. Their hub bearings are designed to withstand heavy loads and provide smooth operation, which is critical for a Quattro s performance-oriented drivetrain.
3. **Performance Benefits** A properly functioning hub bearing reduces wheel wobble, vibration, and noise, improving ride comfort and handling. For an A5 Quattro, which relies on precise suspension and drivetrain alignment, a reliable bearing helps maintain optimal performance, especially during spirited driving or off-road use.
4. **Ease of Installation** Since this is an OEM-style part, it should be straightforward to install, assuming the vehicle s hub assembly is compatible. Many mechanics and DIYers report that these bearings are easier to replace than some OEM alternatives, particularly if the original bearing was seized or damaged.
5. **Cost-Effective Alternative to OEM** While not always cheaper than genuine Audi parts, Detroit Axle bearings often provide a more affordable option without sacrificing quality. This can be particularly appealing for owners who want to avoid the higher cost of Audi s original equipment.
6. **Warranty and Support** Detroit Axle typically offers warranties on their products, providing some recourse if the bearing fails prematurely. Their customer service and availability of parts through reputable dealers also add to the reliability of the purchase.
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#### **Cons:**1. **Potential Quality Variations** While Detroit Axle is a reputable brand, there is always a risk of receiving a subpar unit if the part is counterfeit or from a third-party seller. Always purchase from authorized dealers or trusted online retailers to avoid fakes.
2. **Limited Customization** Unlike some high-performance aftermarket bearings, this part is designed for standard OEM specifications. If you re looking for upgraded performance (e.g., reduced friction, higher load capacity), you may need to explore specialized aftermarket options.
3. **Installation Challenges** If the original bearing was seized or the hub assembly is corroded, removal and installation can be difficult, even with an OEM-style part. In some cases, specialized tools or professional help may be required, adding to labor costs.
4. **Mixed Reviews on Longevity** While many users report satisfactory performance, some owners have noted that the Detroit Axle bearing may not last as long as the original Audi part, especially under extreme conditions (e.g., frequent off-roading or aggressive driving). Longevity can vary based on driving habits and maintenance.
5. **Potential Noise or Vibration** In rare cases, improper installation or a defective bearing can introduce noise (e.g., humming, grinding) or vibration, which may require re-installation or further troubleshooting. This is more likely if the part was not installed correctly or if the hub assembly has underlying issues.
6. **Availability and Lead Times** Depending on the retailer, stock levels for this specific part may vary. Some online sellers might have longer lead times, which could delay repairs if you re in a hurry.
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### **Conclusion:**The Detroit Axle 513301R rear wheel hub bearing is a solid choice for replacing a worn or failed bearing in a 2008 2018 Audi A5 Quattro. It offers a balance of compatibility, durability, and affordability, making it a practical option for both DIY enthusiasts and professional mechanics. However, its suitability depends on your priorities: if you value OEM-like reliability and ease of installation, this part is a strong contender. If you re pushing the vehicle to its limits or seeking extended longevity under extreme conditions, you may want to research higher-end aftermarket alternatives or consider the original Audi part if budget allows.
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### **Recommendation:**For most Audi A5 Quattro owners, the **Detroit Axle 513301R is a recommended purchase** for its reliability, fitment, and cost-effectiveness. To maximize its performance and longevity:
- **Purchase from an authorized dealer or a trusted online retailer** (e.g., RockAuto, Summit Racing, or local Audi specialty shops) to avoid counterfeit parts.
- **Follow proper installation procedures**, including cleaning the hub assembly and ensuring the bearing is seated correctly. If unsure, consult a mechanic.
- **Monitor the bearing post-installation** for any unusual noises or vibrations, which could indicate installation issues or a defective unit.
- **Consider upgrading to a high-performance bearing** (e.g., from brands like **LSD, Motegi, or Koni**) if you frequently drive aggressively or off-road, as these may offer better heat dissipation and load capacity.
If budget is not a concern and you want the absolute best fit and longevity, the **original Audi part (Audi W01 313 313)** is the safest choice, but the Detroit Axle offers a compelling alternative for those seeking a cost-effective solution.
Specifications: Position Rear, Hub Flange4-Bolt Square, Weight6.0 lbs, Dimensions7.0 L x 6.0 W 7.0 H, Warranty10-Year Limited Warranty, Conditioner, Brand Detroit Axle, MPN513301R x2. Pre-greased and sealed - maintenance free. Cross Reference: Coast To 513301 Installation: Undergo impact, wear, and fatigue testing to help ensure quality durability 10-Year Limited Warranty. Restores proper wheel alignment.
Wheel Bearing and Hub Assembly: Part # 513301R x2 Detroit Axle. Pre-assembled - ready to install. OEM Replacement - Rear Wheel Bearing Modules. Plug-and-play ABS sensor if equipped.
Benefits: Eliminates wheel wobble and noise. Includes ABS sensor wire where applicable. Features: Premium sealed bearings. Kit Includes:: 2 Rear Wheel Bearing Module Rear.