VOLKSWAGEN 5Q1423051 Rack Pinion 151617181920

( Brand: Volkswagen ), ( Manufacturer Part Number: 5Q1423051 ), ( Type: Rack Pinion Complete Unit ), ( Country Of Origin: Germany ), ( Performance Part: No ), ( Tag : 36035 ), ( UPC: 151617181920 )

Review VOLKSWAGEN Audi Rack And Pinion Assembly Oem fits GOLF QUATTRO A3 2015–2020

The **Volkswagen 5Q1423051 rack and pinion assembly** (compatible with the **2015 2020 Volkswagen Golf and Audi A3 1.8T/2.0T Quattro models**) represents a precision-engineered steering system designed to deliver effortless handling, enhanced responsiveness, and long-term durability. This high-performance rack and pinion mechanism is integral to the front-wheel-drive and all-wheel-drive (Quattro) configurations, ensuring smooth, predictable steering feedback while maintaining structural integrity under demanding driving conditions. Crafted from high-grade steel and reinforced polymers, the assembly features a robust **tapered roller bearing system** at both ends, reducing friction and wear over time, which is particularly critical for Quattro models that experience increased lateral forces during dynamic cornering. The **serpentine rack design** with a **ball-screw mechanism** provides linear motion with minimal play, translating driver input into precise wheel movement with minimal effort, even at high speeds or during aggressive maneuvers. The **integrated dust seals and protective boots** shield internal components from road debris, moisture, and contaminants, extending the lifespan of the assembly and reducing the likelihood of premature failure a common issue in high-mileage vehicles. This rack and pinion is engineered to work seamlessly with the **Electronic Power Steering (EPS) system**, offering variable assist ratios that adjust based on vehicle speed, ensuring a balanced feel whether cruising on the highway or navigating tight city streets. For Quattro-equipped models, the assembly is specifically tuned to accommodate the added torque and angular forces generated by the all-wheel-drive system, preventing binding or excessive wear in the steering linkage. Whether replacing a worn-out original component or upgrading for improved performance, this **OEM-quality rack and pinion** ensures reliable operation, optimal steering geometry, and a refined driving experience, making it an essential upgrade for enthusiasts and fleet operators alike.

### **Pros and Cons of Buying a Volkswagen 5Q1423051 (2015 2020 Golf/Audi A3 Quattro Rack & Pinion)**

#### **Pros**

1. **Reliability of the Platform** The Volkswagen Group s MQB (Modular Transverse Matrix) platform, used in the Golf and A3, is well-engineered and widely tested. Many owners report few major issues if maintained properly.

2. **Quattro All-Wheel Drive System** The 5Q1423051 rack and pinion setup is part of the **Quattro AWD system**, which provides excellent traction, stability, and handling in various conditions. This is a significant advantage over FWD models.

3. **Good Resale Value** Both the Golf and A3 hold their value reasonably well, especially in the Quattro trim, which is more desirable than FWD versions.

4. **Available Performance Options** Depending on the engine (e.g., 2.0L TSI, 1.8L TSI, or 2.0L TDI), these cars can offer decent power and efficiency. The **RS3/RS3L** variants (if available) provide sporty performance.

5. **Modern Features & Tech** Many 2015 2020 models come with **MMI infotainment, Bluetooth, parking sensors, and available advanced driver aids** (adaptive cruise, lane assist, etc.), making them more comfortable and safer than older models.

6. **Aftermarket Support** As a popular platform, parts, tuning, and modifications are widely available, which can extend the car s lifespan and performance.

7. **Compact Yet Practical** The Golf and A3 strike a balance between city maneuverability and practicality, with decent cargo space for their size.

8. **Lower Maintenance Costs (Compared to Luxury Brands)** While not cheap, VW/Audi maintenance is generally more affordable than BMW or Mercedes, though parts can be pricey if not serviced properly.

---

#### **Cons**

1. **Electrical Gremlins** Many MQB-era VWs (including Golf/A3) suffer from **electrical issues**, such as faulty sensors, infotainment glitches, or intermittent problems with lights, windows, or climate control. Some owners report persistent software bugs.

2. **Transmission Problems (DSG & Manual)**

- **DSG (dual-clutch) models** (common in TSI engines) have had **reputation issues** with rough shifting, premature wear, and failure. Some owners experience **jerky shifts or complete transmission failure**, though newer models (post-2017) improved slightly.

- **Manual transmissions** are generally more reliable but can still develop **clutch wear** if not maintained properly.

3. **Rust Concerns** Some early 2015 models (especially in snowy/cold climates) have reported **underbody rust**, particularly around the wheel arches and sills. A thorough inspection is crucial.

4. **Quattro AWD Complexity** While the **5Q1423051 rack and pinion** is robust, the **Quattro system itself** has had reports of **fluid leaks, differential failures, and transfer case issues** in some cases. Regular fluid changes are essential.

5. **Engine & Cooling System Weaknesses**

- The **2.0L TSI (EA888) engine** can develop **carbon buildup** (requiring a decarbonization service every 60k miles).

- **Water pump failures** (especially in TDI models) and **coolant leaks** have been reported, leading to overheating risks.

- **Turbocharger issues** (exhaust leaks, wastegate failures) can occur if not maintained.

6. **Recall & Warranty Issues** Some models in this range had **unresolved recalls** (e.g., airbag, brake, or software updates). Always check for open recalls before purchasing.

7. **Higher Depreciation Than Expected** While better than some competitors, the Golf/A3 (especially non-Quattro) has seen **steeper depreciation** than expected in recent years, reducing long-term value.

8. **Dealer & Repair Costs** VW/Audi dealership labor rates are **higher than independent shops**, and some parts (especially for AWD components) can be expensive.

9. **Infotainment Lag & Software Problems** The **MMI system** (especially in earlier models) can be **slow, unresponsive, or prone to freezing**. Updates sometimes require dealer visits.

10. **Suspension & Steering Wear** Some owners report **worn-out bushings, control arm failures, and steering rack leaks**, which can lead to **vibration and handling issues** over time.

---

### **Key Considerations Before Buying**

- **Service History** A well-documented service record (oil changes, timing belt, transmission fluid, etc.) is **critical**. Neglect leads to expensive repairs.

- **Quattro System Check** Inspect for **fluid leaks, unusual noises from the transfer case, or differentials**, and verify **fluid levels and condition**.

- **Electrical Test** Have a mechanic check for **faulty sensors, wiring issues, or software glitches** before purchasing.

- **Rust Inspection** Look under the car for **corrosion**, especially in the wheel wells, sills, and underbody.

- **Transmission Health** If buying a **DSG model**, check for **smooth shifting** and listen for **unusual noises** (grinding, clunking).

- **Engine Condition** Look for **exhaust leaks, turbocharger whine, or unusual smoke** (blue oil burn, white coolant leak).

- **Test Drive** Pay attention to **steering feel, suspension comfort, and any unusual vibrations or noises**.

---

### **Final Recommendation**

You find a **well-maintained example** with a **complete service history**, especially for **oil changes, timing belt, and Quattro fluid**.

The **DSG transmission** has been **rebuilt or serviced** (if applicable).

The **electrical system** has been **tested** and has no major faults.

You **inspect for rust** and **check underbody conditions**.

You **budget for potential future repairs** (especially if buying used without a warranty).

The **service records are missing or incomplete**.

There are **known transmission, electrical, or Quattro issues** that haven t been addressed.

The **seller refuses a pre-purchase inspection**.

The **car has been in an accident** (even minor) without proper repairs.

You **cannot afford unexpected repairs** (VWs/Audis are not cheap to maintain).

#### **Best Choice?**

- **For reliability & longevity:** Consider a **manual transmission model** (if available) with a **clean service history** and **no Quattro fluid leaks**.

- **For performance & value:** The **RS3/RS3L** (if within budget) offers better driving dynamics but may have higher maintenance costs.

- **For budget buyers:** A **used Golf/A3 (non-Quattro) with a rebuilt transmission** can be a decent entry-level AWD car, but expect **more electrical quirks**.

The **2015 2020 Golf/A3 Quattro (5Q1423051 rack & pinion)** can be a **great buy** if you **inspect thoroughly, verify maintenance, and budget for potential issues**. However, **buying without due diligence risks costly repairs**. If possible, **prioritize a model with a warranty or a trusted seller** to mitigate risks. For those willing to **put in extra effort**, this platform offers **solid performance and driving enjoyment** but **not without its challenges**.

Details:

It has normal wear of use because it is a used part. Pricing was a great value. Part Number 5Q1423051. All parts are tested and inspected for reliability performance.

The higher than average shipping cost was offset by a lower price. Item is exactly what was described. Super fast shipping even with so oversized packages and good communication. Quality Assurance.

All used items will show normal signs of use such as nicks, scuffs, and scratches. Item arrived earlier than the expected date. This reliable vendor provided a great price, with fast shipping. Shipping was super fast, I received the item next day.

Decent pricing also. Item arrived securely packaged, as described. Wide Range of Parts. Fast Reliable.

The price was fair and competitive. Warranty Accepted within 6 months of purchase. Genuine Second-hand Parts for Every Premium Brand 2015 2020 Volkswagen Golf Audi A3 Quattro Rack Pinion Assembly 5Q1423051 OEM. This item is used but in good working condition.

Packaging was minimal, yet effective. Key Features: Tag Number 36035, Year/Year Range 2015 -2020, Make Volkswagen, model Golf, Sub model, Series MK7 - BA BV. The Manual should never leave the Glove Compartment so, ya know, its there for maybe new owners down road. Great purchase experience.

Naturally, my gently used vehicle was missing the Owners Manual. I've purchased several times from this vendor and I m sure I ll be purchasing again. Unfortunately I ordered an item that already which the mistake was mine. Product in pristine condition as described, super fast shipping and great packaging, value communication.

So I sourced this older, complete Manual set for my make and model. Packaging was exceptional. How do people live, right. Contact for fitment Purchase Price.

part #: 5q1423051 prices

• $155.00-$570.00

specifications steragebo:

• for models: A3, Golf, Quattro
• for makes: Audi, Volkswagen
• for years: 2015-2020
• brand: Volkswagen
• mpn: 5q1423051
• type: Rack Pinion Complete Unit
• country of origin: Germany
• performance part: No
• tag : 36035
• upc: 151617181920

shipping steragebo:

• class: Economy
• type: Fixed
• cost: $60.00
• carrier: FedEx
• service: FedEx Ground Economy
• transit: 5-10 Days

general steragebo:

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

offer steragebo:

• options: Ship-to-home
• best offers: True
• started: May 22, 2026
• sold: 0
• quantity: 1
• availability: In Stock

returns steragebo:

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

payments steragebo:

• credit card: Visa
• other
• wallet: Paypal

seller steragebo:

• city: West Sacramento, California
• rating: 99.5%
• # reviews: 58158

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