PORSCHE 99134701125 Power Steering Rack Pinion Servo Motor

( Manufacturer Part Number: 99134701125 ), ( Storage Location: W8d03 ), ( Body Style: Convertible ), ( Interior Color: Standard Interior In Black ), ( Engine: 3.0 Dck ), ( Transmission: 7 Speed Manual ), ( Oe/oem Part Number: 991-347-011-25; 991.347.011.25; 991 347 011 25 ), ( Country Of Origin: Germany ), ( Type: Servo Motor ), ( Brand Type: Genuine Oem ), ( Fitment Notes: Specializedgerman 2025 ), ( Vehicle Color: Black ), ( Partout Id: A-128457405 )

Review PORSCHE 991 Power Steering Rack And Pinion Servo Motor fits CARRERA 911 2017–2019

The **Porsche 991.3 (991 911) Carrera Power Steering Rack Pinion Servo Motor (Part Number: 34701125)** is a precision-engineered component essential for the seamless and responsive handling of the iconic 911 sports car, spanning the model years 2017 through 2019. This high-performance servo motor is a critical element of the car s hydraulic power steering system, designed to deliver the exacting levels of precision, feedback, and effortless maneuverability that Porsche enthusiasts expect from their vehicles. Crafted with Porsche s signature attention to detail, the servo motor integrates seamlessly with the rack-and-pinion steering system, ensuring minimal play and maximum responsiveness under both everyday driving conditions and high-performance scenarios. Built to withstand the rigorous demands of daily use as well as spirited driving, this component features a robust construction with corrosion-resistant materials and tight tolerances, guaranteeing durability and reliability even in the most challenging environments. The servo motor operates in tandem with the steering rack to amplify driver input with hydraulic assistance, reducing steering effort while maintaining the car s sharp, direct feel an essential balance that defines the 911 s legendary driving dynamics. Whether navigating tight corners at low speeds or maintaining stability at high velocities, this servo motor ensures that the steering remains both precise and effortless, embodying Porsche s commitment to engineering excellence. For owners seeking to restore or upgrade their 991.3 Carrera s steering system, this genuine OEM part is the ideal choice, offering the same level of quality and performance as the one installed at the factory.

### **Pros and Cons of Buying a Porsche 991 (991.2) Carrera (2017 2019) with a Power Steering Rack Pinion Servo Motor Issue**

#### **Pros**

1. **Premium Driving Experience**

The 991 Carrera is a high-performance sports car with a naturally aspirated 3.0L flat-six engine (350 385 hp, depending on the model) that delivers exhilarating acceleration, precise handling, and a refined ride. The manual transmission (if available) enhances engagement, while the PDK automatic offers seamless shifts.

2. **Strong Resale Value**

Porsche 991 models hold their value well compared to many luxury and performance cars. Even with a power steering issue, the brand retains prestige, which can be advantageous if you plan to sell later.

3. **Reliability of the Core Components**

The 991 s engine, suspension, and chassis are robust, especially when maintained properly. The 3.0L flat-six is known for longevity if serviced regularly (oil changes, timing belt, etc.). The PDK transmission is also reliable if not abused.

4. **Aftermarket and Tuning Support**

The 991 platform has a strong aftermarket presence, with widespread availability of parts, upgrades (exhaust, suspension, brakes), and tuning options (e.g., BBS, MHD, or custom engine tuning). This makes it easier to modify or restore the car to peak condition.

5. **Daily Drivability (When Functioning Properly)**

The Carrera is comfortable for daily use, with a quiet cabin, good sound insulation, and a smooth ride (especially with the optional adaptive suspension). The power steering issue, while annoying, doesn t prevent the car from being driven just makes it slightly less responsive.

6. **Collectibility and Enthusiast Appeal**

The 991 Carrera is a sought-after model among Porsche owners, particularly the manual transmission (991.2) and early PDK models. This can make it easier to find parts, enthusiast communities, and potential buyers if you decide to sell.

7. **Potential for Cost-Effective Fix**

The power steering rack issue (pinion servo motor) is a known problem in some 991 models, but it is often fixable with a replacement part or software update. Porsche has acknowledged the issue and may offer a recall or discount on repairs for affected vehicles.

---

#### **Cons**

1. **Power Steering Issue (Pinion Servo Motor)**

- **Heavy, unresponsive steering** (especially at low speeds).

- **Whining or grinding noises** from the steering rack.

- **Complete loss of power assist** in severe cases.

This makes parking, maneuvering in traffic, and low-speed driving difficult and potentially dangerous. While the car remains drivable, the lack of power steering can be frustrating and unsafe in certain situations.

2. **Repair Costs**

Replacing the power steering rack (pinion servo motor) is expensive, typically ranging from **$1,500 to $3,000 **, depending on whether you use OEM parts, aftermarket alternatives, or a dealer. Labor costs can also add up, especially if the rack needs to be removed and reinstalled. Some owners report that the issue recurs after repair, though this is less common with genuine parts.

3. **Potential for Other Wear Items**

- **Exhaust manifold leaks** (common in early models).

- **Water pump failure** (especially in high-mileage cars).

- **Suspension wear** (control arms, bushings, shocks).

- **PDK transmission fluid changes** (if neglected, can lead to premature wear).

A thorough inspection is recommended before purchase.

4. **Maintenance Costs**

Porsche is not known for being budget-friendly. Routine maintenance (oil changes, timing belt, spark plugs, etc.) adds up. Expect to spend **$1,000 $2,000 annually** on basic upkeep, more if you opt for dealer services.

5. **Depreciation and Insurance**

While the 991 holds value, it still depreciates over time. Insurance costs for a high-performance car can be prohibitive, especially for younger or inexperienced drivers. Comprehensive coverage is often necessary due to the car s value and repair costs.

6. **Limited Practicality for Some Owners**

The Carrera is a **track-focused** car rather than a practical daily driver. Fuel economy is modest ( 15 18 MPG combined), and the rear-engine layout can make parking and tight-space maneuvering challenging especially with power steering issues.

7. **Market Availability and Condition Variability**

The 991 Carrera market is competitive, and finding a well-documented example with minimal issues can be difficult. Some sellers may hide problems (e.g., power steering, exhaust leaks), so due diligence is critical. A pre-purchase inspection (PPI) by a Porsche specialist is highly recommended.

---

### **Ending Conclusion**

Buying a **2017 2019 Porsche 991 Carrera with a power steering rack issue** can be a rewarding experience if you prioritize performance, driving enjoyment, and are prepared for potential repairs. The car offers an exceptional driving experience, strong resale value, and a passionate owner community. However, the **power steering defect is a significant drawback** that can detract from daily usability and safety.

If you are **mechanically inclined, financially prepared for repairs, and willing to address the steering issue promptly**, this can be a great purchase. Conversely, if you **value convenience, safety, or don t want to deal with potential repairs**, it may be better to look for a **fixed example or consider a different Porsche model** (e.g., a 997.2 Carrera with a known good rack or a 992 if budget allows).

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### **Recommendation**

- **Get a pre-purchase inspection (PPI) from a Porsche specialist** to confirm the extent of the power steering issue and check for other hidden problems.

- **Budget for the repair** (expect $1,500 $3,000 for the rack). If the seller offers a discount to cover this, negotiate accordingly.

- **Consider an aftermarket rack** (e.g., from **Porsche Parts 360, ECS, or MHD**) if OEM parts are too expensive.

- **Check for recalls or software updates** Porsche may have addressed the issue in later models or via a service bulletin.

- **Factor in maintenance costs** set aside funds for routine upkeep (oil changes, timing belt, etc.).

- Look for a **991 Carrera with a known good power steering rack** (preferably with a PPI report).

- Consider a **997.2 Carrera (997.2, 2010 2014)** if you want a similar car with fewer electronic quirks.

- If budget allows, explore the **992 Carrera (2020 )** for a more modern, reliable, and feature-rich alternative.

**Final Verdict:** The 991 Carrera is a fantastic car, but the power steering issue is a dealbreaker for some. If you can afford and address the repair, it s a great purchase. If not, seek a fixed example or a newer model. Always prioritize safety and long-term reliability over short-term savings.

Details:

Storage Location: W8D03. Warranty covers the part only; labor and installation costs are not covered. Stock Number: 22052. Mileage: 7927.

Condition: Used. Color: Black. BMW Porsche Audi VW Other Makes. Country/Region of Manufacture: Germany.

Manufacturer Part Number.

part #: 99134701125 prices

• $449.99-$1743.75

specifications steragebo:

• for models: 911, Carrera
• for makes: Porsche
• for years: 2017-2019
• mpn: 99134701125
• storage location: W8d03
• body style: Convertible
• interior color: Standard Interior In Black
• engine: 3.0 Dck
• transmission: 7 Speed Manual
• oe/oem part number: 991-347-011-25; 991.347.011.25; 991 347 011 25
• country of origin: Germany
• type: Servo Motor
• brand type: Genuine Oem
• fitment notes: Specializedgerman 2025
• vehicle color: Black
• partout id: A-128457405

returns steragebo:

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

seller steragebo:

• city: Rancho Cordova, California
• # reviews: 79704
• rating: 99.9%

payments steragebo:

• cash
• check
• wallet: Google-pay
• other
• credit card: Mastercard
• money order

shipping steragebo:

• transit: 4-9 Days
• class: Standard
• carrier: USPS, UPS
• service: USPS Ground Advantage, UPS Ground
• type: Fixed
• cost: $0.00

offer steragebo:

• quantity: 1
• sold: 0
• best offers: True
• started: May 18, 2026
• availability: In Stock
• options: Ship-to-home

general steragebo:

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

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