AUDI 8J1423051AA Tts Power Steering Rack Gear MK2

( Manufacturer Part Number: 8J1423051AA ), ( Type: Steering Rack ), ( Oe/oem Part Number: 8j1 423 051 Aa, 8j1 423 051 ), ( Fitment Type: Direct Replacement ), ( Country Of Origin: Germany )

Review AUDI Tts Mk2 Coupe Power Steering Rack Gear Oem fits QUATTRO 2008–2014

The **Audi 8J1423051AA Power Steering Rack and Gear Assembly** (compatible with the **Audi TT Mk2 and S3 Mk2, 2008 2014 models equipped with the Quattro all-wheel-drive system**) represents a critical high-performance component designed to deliver precise, responsive, and effortless steering dynamics. This direct-replacement part is engineered to restore the original factory specifications of the steering system, ensuring optimal handling, stability, and driver engagement key attributes that define Audi s sporty yet refined driving experience. Crafted from durable, high-grade materials, including reinforced aluminum and precision-machined steel components, the rack and gear assembly is built to withstand the demands of daily driving, spirited cornering, and extended use without compromising on performance or longevity. The integrated **rack-and-pinion mechanism** provides a near-linear steering ratio, allowing for tight, accurate turns while maintaining a smooth, progressive feel, which is essential for both urban maneuverability and high-speed stability on winding roads. This assembly also incorporates **sealed ball joints and bushings**, reducing wear and preventing fluid leaks that could compromise steering responsiveness or lead to costly repairs over time. For Quattro-equipped models, the rack is specifically tuned to integrate seamlessly with the all-wheel-drive system, ensuring synchronized power delivery and steering precision across all four wheels. Whether installed in a daily driver, a track-focused S3, or a custom-built performance vehicle, this OEM-quality part guarantees a seamless fit, minimal clearance issues, and compatibility with the original power steering pump and fluid system, making it an ideal choice for both restoration projects and routine maintenance. With its robust construction and adherence to Audi s engineering standards, the **8J1423051AA** is a dependable solution for drivers seeking to maintain or enhance the natural, engaging steering characteristics that Audi vehicles are renowned for.

### **Pros and Cons of Buying a 2008 2014 Audi TT (8J, MK2, Quattro) with the Power Steering Rack (Part #8J1423051AA)**

#### **Pros**

1. **Strong Brand Prestige** Audi s TT is a well-regarded sports car with a distinctive design, strong resale value, and a reputation for performance. The Quattro AWD system enhances traction and handling, making it more capable than FSI engines in similar cars.

2. **Performance and Driving Dynamics** The 2008 2014 TT (especially with the 3.2L FSI V6 or 2.8T V6) delivers engaging acceleration, precise steering, and a balanced chassis. The Quattro system improves grip in wet or slippery conditions, which is a significant advantage over RWD models.

3. **Reliability (Compared to Competitors)** While no car is perfect, the Audi TT of this era is generally more reliable than some of its direct competitors (e.g., BMW Z4, Mercedes SLK) in similar power ranges. The 3.2L FSI V6 is particularly robust if maintained properly.

4. **Aftermarket Support** The TT has a strong aftermarket community, with readily available parts for tuning (e.g., cold air intakes, exhausts, suspension upgrades) and performance modifications. This makes it easier to enhance power and handling if desired.

5. **Quattro AWD System** The permanent four-wheel-drive setup provides better stability in adverse weather and improves acceleration by distributing power evenly. This is a major selling point for those who prioritize safety and performance in all conditions.

6. **Convertible Practicality** Unlike some convertibles, the TT s roof mechanism is relatively reliable (though not infallible), and the cabin remains spacious for two people. The hardtop option adds practicality without sacrificing aesthetics.

7. **Classic Styling with Modern Appeal** The second-generation TT (8J) has a timeless, aggressive design that remains desirable. Its compact size makes it easy to park and maneuver in urban settings.

8. **Potential for Modifications** The engine bay is accessible, and the car responds well to power upgrades (e.g., turbocharging, ECU tuning). Some owners achieve significant power gains while maintaining reliability.

---

#### **Cons**

1. **Higher Maintenance Costs** Audi parts and labor are expensive, especially for specialized components like the Quattro system, turbocharged engines, or suspension parts. Regular maintenance (e.g., valve adjustments, timing belt changes) can add up quickly.

2. **Engine Reliability Issues (If Neglected)** The 2.8T V6 (especially in early models) is prone to carbon buildup, oil consumption, and turbocharger failures if not properly maintained. The 3.2L FSI V6 is more durable but still requires attention to valve adjustments (every 60,000 90,000 miles). Poor maintenance can lead to costly repairs.

3. **Quattro System Complexity** The AWD system adds weight and complexity, increasing the risk of failure in components like the transfer case, differentials, or drive shafts. These repairs can be pricey and time-consuming.

4. **Power Steering Rack Wear** The rack (8J1423051AA) is known to wear out over time, leading to stiff or erratic steering. Replacement is costly ( $1,000 $1,500), and some owners report issues with aftermarket replacements not fitting perfectly.

5. **Convertible Roof Reliability** The soft-top mechanism can fail (e.g., broken cables, motor issues), and repairs are often expensive. Some owners opt for hardtops, but even these can develop leaks or structural issues.

6. **Suspension Wear** The TT s sport-tuned suspension is sensitive to rough roads, leading to premature wear in bushings, shocks, and control arms. Replacing these parts can be labor-intensive and costly.

7. **Fuel Economy Trade-offs** The Quattro system and turbocharged engines sacrifice some efficiency. The 2.8T V6, for example, averages 18 20 MPG in the city, which is worse than a naturally aspirated RWD alternative.

8. **Depreciation** While the TT holds value better than some cars, it still depreciates significantly over time. A well-maintained 2012 model may retain more value than a high-mileage 2008, but it s not a high-resale asset.

9. **Common Electrical Gremlins** Audi s electronics can be finicky, with issues like faulty sensors, infotainment glitches, or intermittent problems with the Quattro system. These can be frustrating to diagnose and repair.

10. **Limited Practicality** The TT is a two-seater with minimal rear space. If you need to carry passengers or cargo often, this becomes a drawback.

---

### **Ending Conclusion**

The **2008 2014 Audi TT (8J, Quattro, with the power steering rack)** is an excellent choice for buyers who prioritize **driving enjoyment, AWD capability, and a sporty yet practical convertible**. Its strong performance, engaging handling, and Audi s brand prestige make it a compelling option for enthusiasts. However, **higher maintenance costs, potential engine/Quattro reliability issues, and the risk of expensive repairs** (especially for the rack, suspension, or turbocharged engine) are significant drawbacks.

If you re **willing to invest in maintenance, enjoy driving, and don t mind higher ownership costs**, this TT is a fantastic car. If you re **budget-conscious or prioritize low maintenance**, you may want to consider alternatives like a **BMW Z4 (N52 engine), Mercedes SLK (M113), or a well-maintained FSI 2.0T TT (RWD)**.

---

### **Recommendation**

- You have a **budget for maintenance and potential repairs** (especially for the rack, turbo, and Quattro system).

- You **prioritize AWD performance and handling** over fuel efficiency.

- You plan to **drive it regularly and enjoy the sporty experience** (e.g., track days, spirited driving).

- You re **prepared to source high-quality parts** (OEM or reputable aftermarket) and perform some maintenance yourself.

- You re **uncomfortable with higher-than-average repair costs** (e.g., $2,000 for unexpected issues).

- You **don t have access to an Audi specialist** for diagnostics and repairs.

- You **prefer a more fuel-efficient or lower-maintenance alternative** (e.g., a BMW Z4 with the N52 engine).

- The **power steering rack or Quattro system shows signs of wear** (e.g., stiff steering, whining noises, fluid leaks).

- **Get a pre-purchase inspection (PPI) from an Audi specialist** to check the rack, turbo, Quattro system, and suspension.

- **Verify maintenance history** Look for **timely valve adjustments, oil changes, and turbo servicing**.

- **Test drive thoroughly** Pay attention to steering feel, AWD engagement, and any unusual noises.

- **Budget for the worst-case scenario** Assume you may need to replace the rack, turbo, or suspension within the first 50,000 80,000 miles if the car has high mileage.

**Final Verdict:** The **2008 2014 Audi TT Quattro is a fantastic car for the right owner** one who values performance, AWD, and is prepared for the associated costs. For those who want a more hands-off experience, alternatives may be worth considering.

Details:

OE/OEM part number - 8J1423051AA. OEM Power Steering Rack Gear Bolts for a 2008, 2009, 2010, 2011, 2012, 2013, and 2014 Audi TTs MK2 Quattro Coupe Inline 4 Turbocharged 2.0L model's.

part #: 8j1423051aa prices

• $211.65-$228.25

specifications steragebo:

• for models: Quattro
• for makes: Audi
• for years: 2008-2014
• mpn: 8j1423051aa
• type: Steering Rack
• oe/oem part number: 8j1 423 051 Aa, 8j1 423 051
• fitment type: Direct Replacement
• country of origin: Germany

offer steragebo:

• quantity: 1
• options: Ship-to-home
• best offers: True
• sold: 0
• started: February 6, 2026
• availability: In Stock

shipping steragebo:

• transit: 5-12 Days
• carrier: USPS
• cost: $0.00
• class: Standard
• service: USPS Ground Advantage
• type: Calculated

payments steragebo:

• credit card: Diners-club
• wallet: Apple-pay
• other

general steragebo:

• Car Truck Parts Accessories > Steering Suspension > Gearboxes, Rack Pinions
• condition: Used

returns steragebo:

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

seller steragebo:

• city: Vancouver, Washington
• # reviews: 778
• rating: 100.0%

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