LEXUS 4425050090 Rack Pinion LS400/UCF20

( Manufacturer Part Number: 4425050090 ), ( Kit Parts Included: Inner Tie Rod ), ( Fitment Type: Direct Replacement ), ( Country Of Manufacture: United States ), ( Vintage Part: No ), ( Placement On Vehicle: Front ), ( Type: Rack Pinion ), ( Core Charge: Included The Price 40 Cash Back For The Core ), ( Manufacturer Warranty: Yes ), ( Surface Finish: Painted )

Review LEXUS Oem Rack And Pinion Ls400/ucf20 Needs To Be Rebuilt fits LS400 1995–1997

The **Lexus 4425050090 Rack and Pinion Assembly** is a precision-engineered component designed exclusively for the **1995 1997 Lexus LS400 (UCF20)** and its Toyota counterpart, the **Toyota Crown Majesta (UCF20)**, ensuring seamless steering performance and long-term reliability. This high-quality rack and pinion system is a direct replacement for the original equipment (OEM) assembly, meticulously crafted to meet Lexus stringent engineering standards. The assembly features a robust **titanium-reinforced rack** with a **helical gear design**, which enhances durability and reduces wear over time, even under demanding driving conditions. The pinion shaft is precision-machined from high-grade steel, ensuring smooth engagement with the rack teeth while minimizing backlash, thereby delivering crisp, responsive steering feedback. This component is engineered to withstand the rigors of daily driving, including sharp turns, highway maneuvers, and off-road excursions, without compromising on precision or stability. The rack and pinion assembly also incorporates **sealed bearings and bushings** to prevent dust, moisture, and debris from infiltrating the steering mechanism, thereby extending the lifespan of the system. Compatible with the LS400 s **hydraulic power steering** setup, this replacement part integrates seamlessly with the existing power steering pump and fluid lines, ensuring optimal hydraulic pressure and steering assist. Whether restoring a classic Lexus or upgrading an existing vehicle, this OEM-quality rack and pinion assembly guarantees a **firm, accurate, and effortless steering experience**, making it an indispensable component for maintaining the performance and luxury expected from the LS400. Proper installation, including alignment and torque specifications, is recommended to ensure optimal function and longevity.

### **Pros and Cons of Buying a Lexus LS400 (1995 1997) with a Rack-and-Pinion Steering System (Part Number: 4425050090)**

#### **Pros**

1. **Reliability and Durability** The LS400 is widely regarded as one of Lexus most robust early models, known for its solid V8 engine, smooth transmission, and long-lasting drivetrain. Many examples from this era have exceeded 200,000 miles with proper maintenance.

2. **Luxury and Comfort** The LS400 was designed as a premium sedan with high-quality materials, a quiet cabin, and a refined ride. The rack-and-pinion steering (introduced in 1995) improves precision and responsiveness compared to the recirculating-ball steering of earlier models.

3. **Strong V8 Engine** The 4.0L U250E V8 produces **250 270 hp** (depending on year) and **252 lb-ft of torque**, offering a balance of power and efficiency for its time. It is known for longevity if maintained properly.

4. **Automatic Transmission (U341E)** The 4-speed automatic is smooth and reliable, with few major issues reported if serviced regularly. Later models (1996 1997) improved slightly over the 1995 version.

5. **Resale Value and Collectibility** The LS400 holds its value well, especially in good condition. Early luxury sedans from this era are increasingly sought after by enthusiasts, making them a solid investment if well-preserved.

6. **Rack-and-Pinion Steering Advantages**

- More precise and direct feedback than recirculating-ball systems.

- Less wear on steering components over time.

- Easier to service and replace individual parts (e.g., tie rods, rack boots) compared to older systems.

7. **Availability of Parts and Support** As a Lexus, the LS400 benefits from Toyota/Lexus dealer networks, which still carry many original parts. Aftermarket support is also strong, with performance and restoration parts widely available.

8. **Classic Luxury Appeal** The LS400 is a sought-after classic, blending Japanese reliability with European-inspired luxury. Owning one allows participation in a growing community of enthusiasts.

---

#### **Cons**

1. **Aging Suspension and Wear Items**

- Bushings, shocks, and struts may require replacement as the vehicle ages.

- The rack-and-pinion system, while an improvement, can still develop leaks or binding if not maintained (e.g., rack boots, tie rod ends).

2. **Electrical and Sensor Issues**

- Early Lexus models (pre-1998) had some teething issues with sensors (e.g., oxygen sensors, speed sensors) and wiring harnesses. These are often fixable but require attention.

- The **1995 model** had a few more reported electrical quirks than later years.

3. **Maintenance Costs Over Time**

- While the LS400 is reliable, labor costs for repairs (especially in the U.S.) can add up. Some owners report higher-than-average expenses for suspension, brakes, and electrical work.

- **Timing chain tensioner failure** (around 100,000 150,000 miles) is a known issue but is manageable with proper maintenance.

4. **Fuel Economy Limitations**

- The V8 engine is thirsty by modern standards, averaging **16 18 MPG highway** and **12 14 MPG city**. This can be costly for daily driving.

5. **Weight and Handling**

- The LS400 is heavy (around **3,800 4,000 lbs**), which can make it feel sluggish in acceleration compared to modern vehicles. The rack-and-pinion steering is precise but not as nimble as later Lexus models.

6. **Interior Wear and Tear**

- Original upholstery (vinyl or cloth) may show signs of aging, and leather interiors (if equipped) can crack over time. Reupholstering is an option but adds cost.

7. **Rack-and-Pinion-Specific Concerns**

- **Leaking rack boots** can lead to power steering fluid loss and contamination.

- **Tie rod wear** is common over time and requires periodic inspection.

- **Steering pump failures** (if using hydraulic power steering) can occur, though electric power steering (introduced in 1997) is more reliable.

8. **Limited Modern Safety Features**

- Early LS400s lack modern safety tech like stability control, advanced airbag systems, or collision avoidance. While safe by 1990s standards, they don t meet today s crash-test ratings.

9. **Potential for Hidden Damage**

- As with any used luxury car, **flood damage, frame rust, or poor past maintenance** can be hidden issues. A thorough inspection (or pre-purchase inspection) is essential.

10. **Depreciation Over Time**

- While the LS400 holds value, it is not a high-performance or exotic car its appreciation is modest compared to niche vehicles.

---

### **Ending Conclusion**

The **1995 1997 Lexus LS400 with rack-and-pinion steering** is a **strong choice for buyers seeking a reliable, luxurious, and well-built classic sedan**. The rack-and-pinion system represents an improvement over earlier models, offering better steering feel and longevity. However, potential buyers should be prepared for **periodic maintenance, higher fuel costs, and aging wear items** (suspension, electrical, and interior components).

- Enthusiasts who appreciate classic luxury and Japanese engineering.

- Owners who prioritize **comfort, refinement, and long-term reliability** over modern tech.

- Those willing to invest in **maintenance and occasional upgrades** to keep it in top condition.

- You need **high fuel efficiency** or **modern safety features**.

- You dislike **heavy sedans** or prefer more engaging driving dynamics.

- You cannot afford **unexpected repair costs** (e.g., suspension, electrical, or engine components).

---

### **Recommendation**

If you find a **well-documented, low-mileage (under 100,000 miles) 1996 1997 LS400 with a complete service history**, it is a **solid purchase** especially if the rack-and-pinion system has been inspected for leaks and wear. Focus on:

- **Engine condition** (check for oil leaks, timing chain tensioner wear).

- **Suspension health** (shocks, struts, bushings, rack boots).

- **Electrical system** (test all sensors, wiring, and components).

- **Interior and exterior** (look for rust, water damage, or poor upholstery).

**Budget accordingly** expect to spend **$5,000 $15,000 ** on a good example, with **$1,000 $3,000/year** in maintenance if driven regularly. For the best value, consider a **1996 or 1997 model**, as they refined some early issues.

**Final Verdict**: **Buy if you want a luxurious, reliable classic with modern steering precision.** **Avoid if you need a daily driver with low running costs or modern safety features.**

Details:

This OEM Rack and Pinion unit for 1995 1997 Lexus LS400/UCF20 model's comes with an inner tie rod included is a direct replacement part. Manufactured in the USA by Lexus, this rack and pinion unit has a painted surface finish comes with manufacturer warranty.

part #: 4425050090 prices

• $75.00-$289.17

specifications steragebo:

• for models: Ls400
• for makes: Lexus
• for years: 1995-1997
• mpn: 4425050090
• kit parts included: Inner Tie Rod
• fitment type: Direct Replacement
• country of manufacture: United States
• vintage part: No
• placement on vehicle: Front
• type: Rack Pinion
• core charge: Included The Price 40 Cash Back For The Core
• manufacturer warranty: Yes
• surface finish: Painted

shipping steragebo:

• transit: 8-12 Days
• carrier: USPS
• cost: $9.35
• class: Standard
• type: Calculated
• service: USPS Ground Advantage

returns steragebo:

• policy: No Returns

offer steragebo:

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

general steragebo:

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

seller steragebo:

• rating: 0.0%
• city: Millbrae, California
• # reviews: 3

payments steragebo:

• other
• credit card: Discover
• wallet: Apple-pay

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