LEXUS Sport Steering Gear Power Rack Pinion 551-10412 3.5L

( Manufacturer Part Number: LS500 ), ( Part Type: Steering Pinion Gear Rack ), ( Conditions Options: 3.5 ), ( Genuine Oem: Yes ), ( Ipn: 551-10412 )

Review LEXUS Sport 3.5l Steering Gear Power Rack And Pinion fits LS500 RWD 2018

The **Lexus 551-10412 18 2018 LS500 Sport 3.5L RWD Steering Gear Power Rack Pinion** is a high-performance, precision-engineered component designed exclusively for the luxury and sport-oriented Lexus LS500, a model renowned for its seamless blend of opulence and dynamic handling. This steering rack pinion belongs to the power-assisted steering system, a critical element that ensures the LS500 s effortless yet responsive navigation, whether cruising on a winding coastal road or maneuvering through tight city streets. Crafted from durable, high-grade materials, this pinion is engineered to withstand the demands of daily driving, providing smooth, consistent steering feedback while maintaining the vehicle s signature balance of comfort and precision. The 2018 LS500 Sport variant, equipped with a robust 3.5-liter V6 engine paired with rear-wheel drive, benefits from this steering component s reliability, as it contributes to the car s agile yet composed demeanor, allowing drivers to experience both the car s refined elegance and its sport-tuned capabilities. Whether restoring a classic LS500 or upgrading an existing system, this pinion is a meticulously designed part that upholds Lexus s reputation for engineering excellence, ensuring longevity and performance in alignment with the vehicle s premium standards.

Buying a used Lexus LS500 (specifically the 2018 model with the **3.5L V6 RWD, Sport trim, and power steering rack**) can be a premium choice, but it comes with distinct advantages and drawbacks. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying This Lexus LS500**

1. **Luxury and Comfort**

The LS500 is a flagship luxury sedan known for its refined interior, premium materials, and quiet cabin. The 2018 model features high-quality leather upholstery, ambient lighting, a large touchscreen infotainment system (with wireless Apple CarPlay/Android Auto in later trims), and advanced climate control. The ride is smooth, with well-tuned suspension that balances comfort and handling.

2. **Reliability and Build Quality**

Lexus is renowned for its reliability, and the LS500 is no exception. The **3.5L V6 engine** (a naturally aspirated variant of Toyota s proven V6) is robust, with minimal reported issues if maintained properly. The **RWD configuration** ensures a more engaging driving experience compared to AWD, though it may lack traction in slippery conditions. Lexus vehicles are built to last, and the LS500 s architecture is similar to the RX and LC, which have strong track records.

3. **Performance and Handling**

The **3.5L V6 produces 302 horsepower and 268 lb-ft of torque**, delivering a strong yet smooth power delivery. The **Sport trim** includes sport-tuned suspension, quicker steering, and a sporty exhaust note, making it more engaging than the standard LS500. The **power steering rack** (a common component in Lexus sedans) is generally reliable, though wear over time should be checked. The RWD setup provides better handling precision than FWD or AWD alternatives.

4. **Resale Value and Prestige**

Lexus holds its value well, and the LS500 remains a desirable luxury sedan. Owning one conveys prestige, especially in markets where Lexus is seen as a high-end alternative to BMW or Mercedes. The **2018 model** is still relatively new in the used market, meaning it hasn t depreciated as much as older generations.

5. **Advanced Safety Features**

- Pre-collision system with pedestrian detection

- Lane departure alert and lane tracing assist

- Adaptive cruise control

- Blind-spot monitoring

- Rear cross-traffic alert

These features enhance safety and are valuable for long-term ownership.

6. **Low Maintenance Costs (Compared to European Luxury Brands)**

Lexus dealerships are widespread, and parts are widely available. While maintenance costs are higher than a Toyota Camry, they are often lower than equivalent German luxury brands. The **3.5L V6 is less complex** than a twin-turbo V8 (e.g., BMW M5 or Mercedes AMG), reducing long-term repair risks.

7. **Comfort for Long-Distance Driving**

The LS500 s spacious cabin, ergonomic seating, and quiet operation make it ideal for highway commuting and road trips. The **power steering rack** ensures smooth, responsive steering, even at high speeds.

---

### **Cons of Buying This Lexus LS500**

1. **Higher Upfront Cost**

Even as a used vehicle, the LS500 is expensive. A well-maintained 2018 model with low miles will likely cost **$50,000 $70,000 **, depending on location and condition. This is significantly more than a similarly priced BMW 5 Series or Mercedes E-Class.

2. **Potential Maintenance and Repair Costs**

- **Engine oil changes**: Lexus recommends synthetic oil changes every **5,000 7,500 miles** (more frequent than many non-luxury brands).

- **Tire and brake replacements**: High-end tires (e.g., Michelin Pilot Sport) and performance brakes add up.

- **Steering rack and suspension**: The **power steering rack** can wear out over time (typically **80,000 120,000 miles**), requiring replacement (**$1,500 $2,500**). The suspension may also need updates (e.g., bushings, struts) as the car ages.

- **Transmission**: The **8-speed automatic** is generally reliable, but fluid changes are critical (every **60,000 miles**).

3. **Fuel Efficiency is Average for a Luxury Sedan**

The **3.5L V6 gets 18 20 MPG highway**, which is decent but not exceptional. If fuel costs are a concern, a hybrid luxury sedan (e.g., Lexus LS 600h) would be more economical.

4. **Limited Practicality for Large Families**

While spacious, the LS500 s **seating is more focused on comfort than utility**. Rear legroom is adequate, but cargo space is **15.7 cu. ft.** (smaller than a BMW 5 Series). If you need to haul groceries or luggage, alternatives like the Lexus LS 500h (hybrid) or a stretch limo may be better.

5. **Depreciation Remains a Factor**

Even though Lexus holds value well, luxury sedans still depreciate. A 2018 LS500 will lose value over time, though not as drastically as some European brands.

6. **Potential for Infotainment Lag**

The **touchscreen infotainment system** (while improved in later models) can sometimes have minor lag or software glitches. While not critical, it s a minor inconvenience compared to the smooth operation of the rest of the car.

7. **RWD Can Be Less Practical in Snow/Icy Conditions**

The **RWD configuration** means the LS500 is not ideal for heavy snow or ice. While the **Sport trim s sport suspension** may feel more responsive, it doesn t offer the same traction as AWD. If you live in a snowy climate, an AWD model (e.g., LS500 F-Sport AWD) would be a better choice.

8. **Customization and Modding Limitations**

Unlike some European luxury cars, the LS500 has **limited aftermarket support**. Tuning options are more restricted, and performance modifications (e.g., exhaust, suspension) are less common than on a BMW or Mercedes.

---

### **Key Considerations Before Purchase**

1. **Service and Maintenance History**

- Verify that the **oil changes were done on schedule** (every 5,000 7,500 miles).

- Check if the **transmission fluid has been changed** (critical for longevity).

- Inspect the **steering rack** for leaks or excessive play (listen for whining noises).

- Review **suspension components** (shocks, struts, bushings) for wear.

- Ensure **timing belt** (if applicable) and **coolant system** are up to date.

2. **Test Drive Focus Areas**

- **Steering feel**: Should be precise and without vibration.

- **Braking**: Check for uneven wear or sponginess.

- **Transmission shifts**: Should be smooth with no hesitation.

- **Engine noise**: Listen for unusual rattles or knocking (especially at cold starts).

- **Leaks**: Inspect under the car for oil, coolant, or transmission fluid leaks.

3. **Inspection by a Lexus Specialist**

- A **Lexus dealership or independent luxury mechanic** should perform a pre-purchase inspection (PPI) for **$150 $300**. This is a small price for peace of mind.

- Look for **CPO (Certified Pre-Owned) options** if available, as they come with extended warranties.

4. **Financing and Insurance Costs**

- Luxury cars have **higher insurance premiums** (expect **$1,500 $2,500/year** for full coverage).

- Financing rates may be slightly higher than for mainstream vehicles.

---

### **Conclusion**

The **2018 Lexus LS500 (3.5L RWD Sport)** is an excellent choice if you prioritize **luxury, reliability, and driving enjoyment** without the complexity of a high-performance or heavily modified vehicle. It offers a **smooth, comfortable, and engaging** driving experience with strong resale value and low long-term reliability risks (if properly maintained).

However, the **high purchase price, maintenance costs, and practical limitations** (e.g., RWD in snow, limited cargo space) make it less ideal for budget-conscious buyers or those needing a family-friendly vehicle. If you can afford the upfront cost and are willing to budget for **regular maintenance (oil changes, suspension, steering rack)**, this LS500 will likely be a **low-stress, high-reward** luxury purchase.

- If **performance and tech** are priorities, consider a **Lex

Details:

LS500h 18-21 RWD, w/o air suspension. LS500 18-21 front axle, RWD, w/o air suspension. No expedited shipping is available.

specifications steragebo:

• for models: Ls500, Rwd
• for makes: Lexus
• for years: 2018
• mpn: Ls500
• part type: Steering Pinion Gear Rack
• conditions options: 3.5
• genuine oem: Yes
• ipn: 551-10412

payments steragebo:

• other
• credit card: Mastercard
• wallet: Paypal

offer steragebo:

• best offers: True
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: June 10, 2026

shipping steragebo:

• class: Standard
• transit: 3-7 Days
• cost: $75.00
• type: Fixed
• carrier: UPS
• service: UPS Ground

general steragebo:

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

seller steragebo:

• # reviews: 67565
• rating: 99.9%
• city: Richland, Mississippi

returns steragebo:

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

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