PORSCHE PAD423051C Taycan Power Steering Gear Rack Pinion Rs
fits model: Gt, Etron. make: Porsche. year: 1925–2020.
( Manufacturer Part Number: PAD423051C ), ( Part Type: Steering Pinion Gear Rack ), ( Country Of Origin: Germany )
Review PORSCHE Taycan Rs Power Steering Gear Rack Pinion fits ETRON GT 1925–2020
The **Porsche Part Number 423051C** is a high-performance **Power Steering Gear Rack and Pinion Assembly** specifically engineered for the **Taycan (2020 2025) E-Tron GT model**, ensuring precise, responsive, and effortless steering control in Porsche s flagship electric performance sedan. Designed to meet the rigorous demands of Porsche s engineering standards, this rack-and-pinion assembly integrates seamlessly with the vehicle s advanced electric power steering system, delivering the signature blend of agility and comfort that defines the Taycan s driving experience. Crafted from premium materials, including durable steel and corrosion-resistant coatings, this component is built to withstand the stresses of high-speed maneuvering, aggressive cornering, and prolonged use, all while maintaining optimal alignment and steering feedback. The pinion gear, machined with precision, engages smoothly with the rack to minimize play and maximize efficiency, ensuring consistent steering response even under demanding conditions. Whether navigating tight city streets or pushing the Taycan s electric performance to its limits on winding roads, this rack-and-pinion assembly provides the reliability and performance Porsche drivers expect. Compatible exclusively with the **Taycan E-Tron GT (2020 2025)**, this part is a critical component for maintaining the vehicle s handling dynamics, making it an essential upgrade or replacement for owners seeking to preserve their Taycan s elite driving characteristics.
### **Pros and Cons of Buying a Used Porsche Taycan (2020-2025) with the 423051C Power Steering Gear Rack and Pinion**
#### **Overview of the 423051C Gear Rack and Pinion**
The **423051C** is the second-generation power steering gear rack and pinion assembly used in the **Porsche Taycan (2020-2025)**, replacing the earlier **423051B** model. It is part of the **electromechanical power steering (EPS)** system, which provides precise, responsive, and adjustable steering feel. This component is critical for handling, comfort, and long-term reliability.
---
### **Pros of Buying a Used Taycan with the 423051C Gear Rack and Pinion**
1. **Improved Steering Feel and Precision**
- The **423051C** features refinements over the **423051B**, including better **torque sensitivity** and **feedback**, making the steering more engaging, especially in **Sport and Track modes**.
- The **electromechanical assist** reduces road noise and vibration compared to hydraulic systems, contributing to a quieter cabin.
2. **Enhanced Reliability Over Earlier Models**
- Porsche addressed some **early wear issues** in the **423051B** (notably in high-mileage Taycans) by **strengthening the rack s internal bearings and seals** in the **423051C**.
- Fewer reported cases of **premature failure** in the steering system, though long-term durability still depends on maintenance.
3. **Compatibility with Taycan s Advanced Tech**
- The **423051C** integrates seamlessly with the **Taycan s adaptive steering** (variable assist levels) and **regenerative braking integration**, improving efficiency and driving dynamics.
- Works well with **Porsche s over-the-air (OTA) updates**, ensuring software optimizations are applied.
4. **Lower Risk of Common 423051B Issues**
- Earlier **423051B** models had reports of **excessive play, whining noises, and premature wear** in high-mileage units.
- The **423051C** is **less prone to these problems**, though it is not immune to wear if neglected.
5. **Wider Availability in Used Market**
- Since the **423051C** was introduced in **2021**, more used Taycans (especially **2022 models**) will have this updated component.
- If buying a **2020-2021 Taycan**, the **423051B** may still be present, requiring a **pre-purchase inspection** to check for wear.
6. **Potential for Lower Repair Costs**
- While the **423051C rack is expensive to replace** ( 2,500 3,500 installed), its **improved durability** may mean fewer replacements over time.
- If the seller provides **service records**, you can verify if the rack was **replaced or serviced** before buying.
7. **Better for Performance-Oriented Drivers**
- The **Taycan GT and Performance models** benefit most from the **423051C s** sharper steering response, making them more enjoyable in **track and spirited driving**.
---
### **Cons of Buying a Used Taycan with the 423051C Gear Rack and Pinion**
1. **High Replacement Cost if Failed**
- If the **423051C rack develops issues** (e.g., **excessive play, grinding, or fluid leaks**), replacement is **expensive** and requires **specialized Porsche technicians**.
- **Labor costs** (especially at Porsche dealerships) can add ** 1,000 2,000** to the repair bill.
2. **Limited Long-Term Data on Wear**
- While the **423051C is an improvement**, it has been in production for only **5-7 years** (as of 2024).
- **High-mileage Taycans (100,000 km)** may still show **early signs of wear**, such as:- **Whining or rattling noises** (could indicate **bearing or seal failure**).
- **Stiff or sluggish steering** (may suggest **electronic or hydraulic fluid issues**).
- **Excessive play in the steering** (a **red flag** requiring immediate attention).
3. **Dependence on Proper Maintenance**
- The **EPS system relies on clean fluid and proper calibration**. If the **steering fluid was neglected**, it can lead to:- **Increased wear on internal components**.
- **Erratic steering assist** (too stiff or too soft).
- **Porsche recommends fluid changes every 2 years or 40,000 km** skipping this can void warranty coverage.
4. **Potential for Software-Related Issues**
- If the **Taycan s steering control software is outdated or corrupted**, it can cause:- **Unusual steering feel** (e.g., sudden stiffening).
- **False error codes** (requiring a **Porsche diagnostic scan**).
- **OTA updates** can sometimes introduce **bugs**, though Porsche usually fixes them quickly.
5. **Difficulty in DIY Repairs**
- Unlike some **mechanical steering systems**, the **423051C EPS rack is complex** and requires:- **Specialized tools** (e.g., torque wrenches, diagnostic equipment).
- **Porsche-specific knowledge** for proper **recalibration and programming**.
- **Non-Porsche mechanics may struggle** with repairs, leading to **higher costs or improper fixes**.
6. **Resale Value Depends on Condition**
- A **well-maintained Taycan with a healthy 423051C rack** retains **better resale value** than one with **neglected steering components**.
- **Buyers may avoid units with a history of steering issues**, even if the rack is still functional.
7. **Potential for Counterfeit or Mismatched Parts**
- The **423051C is a high-demand part**, making it a target for **counterfeit or aftermarket replacements**.
- **Always verify the part number and Porsche authenticity** before purchasing a used Taycan.
---
### **Key Considerations Before Buying**
1. **Check the Steering System Thoroughly**
- **Listen for whining, grinding, or rattling noises** (especially at low speeds).
- **Test for excessive play** (gently move the wheel side-to-side while the engine is off **no more than 10 of free movement** is normal).
- **Inspect for leaks** around the steering rack and hoses.
2. **Review Service Records**
- Confirm if the **steering rack was replaced or serviced**.
- Check for **EPS fluid changes** (critical for longevity).
- Look for **Porsche software updates** (especially for **2020-2021 models**).
3. **Test Drive in Different Modes**
- **Comfort mode** (should feel smooth).
- **Sport mode** (should be **precise and responsive**).
- **Track mode** (if available, should have **minimal assist** for sharp feedback).
4. **Get a Pre-Purchase Inspection (PPI)**
- A **Porsche-certified mechanic** can:- **Scan for error codes** (e.g., **EPS system warnings**).
- **Test steering assist levels** (should adjust smoothly).
- **Check for internal rack wear** (some mechanics can **disassemble and inspect**).
5. **Budget for Potential Repairs**
- If the rack is **borderline**, factor in ** 1,500 3,500** for replacement.
- **EPS fluid flush** ( 200 400) is a **cheap preventative measure**.
---
### **Final Recommendation**
#### **Buy If:**You are purchasing a **2022 or newer Taycan** (more likely to have the **423051C**).
The **steering feels smooth, responsive, and free of noises** during a test drive.
**Service records confirm proper maintenance** (fluid changes, no major steering issues).
You are **willing to pay a premium** for a **well-documented, low-mileage unit** (under **50,000 km**).
You **budget for potential future repairs** (rack replacement is expensive but not inevitable).
#### **Avoid If:**The **steering has noticeable play, whining, or stiffness** (could indicate **rack failure**).
**No service records exist** (risk of **neglected EPS fluid or worn components**).
The **Taycan is high-mileage (80,000 km)** without **proof of rack replacement**.
You **
Details:
Please view all photos before making a purchase. Includes: Power steering gear rack, motor, and tie rods. Used working condition. With rear steering.
Listing is for: 20-25 PORSCHE TAYCAN RS ETRON POWER STEERING GEAR RACK N PINION. Part # 9J1-423-051-AL, PAD-423-051-C.
part #: pad423051c prices
- $1150.00-$1414.44
specifications steragebo:
- for models: Gt, Etron
- for makes: Porsche
- for years: 1925-2020
- mpn: Pad423051c
- part type: Steering Pinion Gear Rack
- country of origin: Germany
offer steragebo:
- availability: In Stock
- started: February 9, 2026
- options: Ship-to-home
- sold: 0
- quantity: 1
shipping steragebo:
- type: Fixed
- service: Standard
- class: Standard
- cost: $129.00
- transit: 3-8 Days
payments steragebo:
- credit card: Diners-club
- other
- wallet: Paypal
returns steragebo:
- time: 30 Days
- policy: Returns Accepted
- paid by: Seller
general steragebo:
- condition: Used
- Car Truck Parts Accessories > Steering Suspension > Gearboxes, Rack Pinions
seller steragebo:
- city: Sun Valley, California
- rating: 99.7%
- # reviews: 7353
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