LEXUS Power Steering Gear Rack Pinion 551-50535 Gear/rack

( Part Type: Steering Pinion Gear Rack ), ( Conditions Options: Roe, Recycled Original Equipment ), ( Genuine Oem: Yes ), ( Ipn: 551-50535 ), ( Descriptionpartcondition: Roe, Recycled Original Equipment -power Rack And Pinion, All Whee ), ( Manufacturer Warranty: 6 Month )

Review LEXUS Power Steering Gear/rack And Pinion Sku#4437129 fits LS460 2011

The **Lexus LS460 (2011) Power Steering Gear/Rack Pinion Assembly (Part #551-50535)** is a precision-engineered component essential for the smooth, responsive, and safe operation of the vehicle s steering system. This high-performance rack-and-pinion assembly is designed to work seamlessly with the LS460 s advanced suspension and handling dynamics, delivering the refined, effortless maneuverability that Lexus is renowned for. Crafted from durable, corrosion-resistant materials, this steering gear features a robust internal rack mechanism with precision-machined teeth, ensuring minimal play and optimal feedback to the driver. The pinion, a critical component that translates the driver s steering wheel input into lateral movement of the rack, is engineered to maintain consistent alignment and reduce wear over time, even under the demanding conditions of daily driving or spirited highway cruising. The assembly is meticulously calibrated to provide the LS460 s signature blend of stability and agility, allowing for tight, confident turns in urban environments while offering a stable, neutral feel at highway speeds. Whether navigating a winding coastal road or executing precise parking maneuvers, this steering gear ensures reliability and precision, embodying Lexus s commitment to engineering excellence. For owners seeking to restore their LS460 s original driving dynamics or replace a worn component, this OEM-quality part is the ideal solution, offering a perfect fit and the performance standards expected from Lexus.

Buying a used **Lexus LS460 power steering gear/rack pinion assembly (part number 551-50535, 2011 model)** can be a cost-effective solution for restoring a vehicle, but it comes with several considerations. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying This Part**

1. **Cost Savings Compared to Rebuilding or Replacing the Entire Steering System**

The LS460 s power steering gear/rack pinion assembly is a complex component, and rebuilding it professionally can be expensive. Purchasing a used or refurbished assembly from a reputable source is often significantly cheaper than ordering an OEM replacement or paying for a full rebuild.

2. **Availability of Used/Refurbished Parts**

Lexus LS460s are older models, and while OEM parts may be pricey or difficult to source, aftermarket or used assemblies are more accessible. This can be particularly useful for owners who need a functional part quickly.

3. **Potential for Long-Term Reliability (If the Part is in Good Condition)**

If the assembly is sourced from a trusted seller (e.g., a salvage yard with a warranty or a known refurbisher), it may function reliably for an extended period, especially if the rest of the steering system (tie rods, bushings, etc.) is in good shape.

4. **Avoids the Need for Full Steering System Replacement**

Replacing the entire steering rack or gearbox can be a labor-intensive and costly job. Swapping out just the rack pinion assembly can be a targeted fix for issues like excessive play, leaks, or internal wear.

5. **Compatibility with Other LS Models**

The LS460 shares many components with other Lexus/Lexmark models (e.g., LS430, LS400), so if the part is compatible, it may expand repair options for other vehicles in the same class.

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### **Cons of Buying This Part**

1. **Risk of Hidden Damage or Wear**

- **Internal leakage** (power steering fluid loss, leading to stiff or unresponsive steering).

- **Worn pinion gears or rack teeth**, causing excessive play or binding.

- **Corrosion or seized components**, especially if the part was stored improperly.

A thorough inspection (or a test drive if possible) is essential, but even then, some defects may not surface immediately.

2. **Lack of Warranty or Guarantee**

Many used parts come without warranties, meaning you bear the full risk if the assembly fails shortly after installation. Even refurbished parts may have limited warranties (e.g., 30 90 days), which could be insufficient for long-term peace of mind.

3. **Installation Complexity**

- Removing the steering column and intermediate shaft.

- Disconnecting the power steering lines and electrical connections.

- Properly aligning the new assembly with the tie rods and steering linkage.

This is a labor-intensive job that may require specialized tools or expertise, especially if the vehicle has been modified or has unique mounting points.

4. **Potential for Incompatibility or Fitment Issues**

Even if the part number matches, slight variations in mounting brackets, tie rod lengths, or steering column angles can cause misalignment. This may result in:

- Steering wheel not returning to center.

- Uneven tire wear due to improper alignment.

- Difficulty in adjusting the steering rack properly.

5. **Opportunity Cost of Time and Labor**

If the owner lacks mechanical experience, hiring a professional to install the part can add significantly to the cost. Additionally, the time spent sourcing, inspecting, and installing the part could be better spent on other repairs or maintenance.

6. **Environmental and Safety Concerns**

Used parts may come from accident-damaged vehicles, which could introduce hidden structural or safety risks (e.g., bent mounting points, compromised steering geometry). Ensuring the part is from a clean source is critical.

7. **Limited Longevity Compared to New Parts**

While a well-maintained used assembly can last for years, it may not match the durability of a new OEM or high-quality aftermarket part. Over time, internal wear or leaks could recur, requiring another replacement.

---

### **Conclusion**

Buying a used or refurbished **Lexus LS460 power steering gear/rack pinion assembly (551-50535)** can be a practical and economical choice for owners who:

- Are on a tight budget and need a functional replacement.

- Have access to a trusted source (e.g., a salvage yard with a reputation for quality parts).

- Are willing to invest time in inspecting the part and ensuring proper installation.

- Accept the risk of potential hidden issues and lack of warranty coverage.

- Prioritize long-term reliability and want a part with a warranty.

- Lack mechanical experience or access to professional installation.

- Cannot thoroughly inspect the part for damage or leaks.

- Are unwilling to spend additional time or money on potential future repairs.

1. **Order an OEM or high-quality aftermarket replacement** (e.g., from a reputable supplier like **MOPAR, ACDelco, or a Lexus-specific aftermarket brand**) if budget allows.

2. **Rebuild the existing assembly** if it s structurally sound but suffering from internal wear (this may be more cost-effective than replacing).

3. **Consult a Lexus specialist** to assess whether the part is worth repairing or if a full replacement is necessary.

---

### **Recommendation**

- **Source it from a trusted seller** (e.g., a salvage yard with a return policy or a known refurbisher like **Power Steering Parts Direct, Steering Solutions, or a Lexus dealership parts department**).

- **Inspect it thoroughly** for leaks, play, and physical damage. If possible, request a test drive or a video of the part in operation.

- **Budget for professional installation** if you lack experience, as improper fitting can lead to steering issues.

- **Consider a short-term warranty or money-back guarantee** to mitigate risk.

- **Pair the replacement with a full steering system check**, including tie rods, bushings, and fluid flush, to ensure optimal performance.

For most Lexus LS460 owners, **prioritizing a new or rebuilt OEM assembly with warranty support** is the safer long-term choice, unless the used part is sourced from an exceptionally reliable source and you are prepared for potential future issues.

Details:

Wheel/Rim: Does not include cap, tire, or lug nuts. Differential Carrier: Does not include axles. HID headlights include the bulbs and ballast. Stabilizer Bar: Does not include links or bushings.

A/C Compressor: Includes the clutch/pulley assembly. Pay special attention to any options listed. This is still a fairly nice looking, used wheel. Blower Motor: Include the squirrel cage/fan blade.

All claims for warranty must be made within this time. Most of the time we include paint code in our part notes. C Condition, C-COND This wheel will have very noticeable cosmetic issues. Ignition Coil s: See part notes.

Interior Rear View Mirror: Does not included bracket glued to windshield. Caliper: Includes the bracket and slides. Wiper Transmission: Does not include motor or arms unless noted. Starter: Includes solenoid.

Transfer Case: Does not include electric shift motor. The fitment information can be confusing if you don't buy replacement parts everyday. Many newer transmissions require a relearn/programming procedure. This for a USED OEM Power Steering Gear/Rack And Pinion Assembly pulled from 2011 LS460 with 106000 actual miles on it.

Radio: Pay special attention to our fitment. Here are our part notes about this specific. Spindle/Knuckle: Does not include hub unless noted. Claims that result from the failure of other components.

It is in average condition for the year and mileage of donor vehicle. I only see photos of the vehicle and not actual part you are selling. It will have high miles or minor damage. 6 MONTH WARRANTY.

Power Steering Gear: Includes Pittman arm. Fuel injectors: See our part notes. Does not include bolts/hardware. Coolant Overflow Bottle: Cap is included.

B Condition, B-COND This wheel will have some cosmetic imperfections. Not included: Throttle body, Turbo, wiring harness exhaust manifold may be left on in certain cases. Slides are not covered under warranty. Transmission: Automatic transmissions include torque converters and sensors.

LEXUS LS460 11-12 Power Rack and Pinion; AWD, w/o air suspension. Alternator: Includes the pulley. Jack: See part notes. These parts are not covered under warranty: Intake manifold, fuel injectors, oil pan, sensors, water pump.

A/C Condenser: Sensors and hoses are not included. Remote reservoirs and brackets will not be included. Does not include window/lock switches. Please see the fitment section below to make sure this will fit your vehicle.

Hub: Includes wheel studs. Fuel Pump: Includes sending unit and any molded hoses that are non-removable. Power Steering Pump: Includes pulley and ATTACHED reservoir. Column Switch: Includes wiring if applicable up to the first point it can be unplugged.

Window Regulator: Does not include motor unless noted most are with. New fluids, filters, seal, and gaskets must be used in the installation of driveling component. Fuel Filler Door: Includes hinge. All lubricants and fluids used must be of the type recommended by manufacturer receipts for installation items accompany claim warranty.

In the event of a claim, AAA will offer replacement part similar quality. Strut: Struts are left assembled and include top plate, spring, dust boot dust boots on used struts rarely in perfect shape. Parts installed in vehicles used for commercial, racing, or off-road purposes, parts any purpose other than the original application. Wiper Motor: Does not include arms or transmission unless noted.

Our Part #: 551-50535, 4437129. These wheels are still guaranteed to be straight and true, just not the best looking. Is this the right part?, This is most common question that we get. Temperature Control: Includes all knobs, buttons, and sliders.

Claims that result from overheating due to cooling system failure. Fan Assembly: Includes motors, shroud, and blades. It may have minor scratches and clear coat peeling. Cowl Vent Panel: See Our Part notes, often sold as one side only.

Exhaust Manifold: Does not include turbo where applicable. B parts have average miles and condition for its age. Sun visor: Does not include clip. Control Arm: Includes the ball joint and any bushings.

If noted as assembly, it will include the lug wrench. Washer Reservoir/Bottle: Includes cap unless noted. Door Trim Panel: Includes handle and armrest. Rack and Pinion: Includes tie rods but they are not covered under warranty.

Any brackets are not included. Mass Airflow Sensor: Does not include housing unless pictured. Manual transmissions do not include any part of the clutch system. Does not include bulbs.

If you don't know what a paint code is or where yours located, please feel free to ask. This is on a case by basis. Axle/CV shaft: Does not include the axle nut. Whats Included.

part #: ls460 prices

• $565.00-$830.33

specifications tirolik:

• for models: Ls460
• for makes: Lexus
• for years: 2011
• part type: Steering Pinion Gear Rack
• conditions options: Roe, Recycled Original Equipment
• genuine oem: Yes
• ipn: 551-50535
• descriptionpartcondition: Roe, Recycled Original Equipment -power Rack And Pinion, All Whee
• manufacturer warranty: 6 Month

offer tirolik:

• options: Ship-to-home
• started: May 7, 2026
• quantity: 1
• sold: 0
• availability: In Stock

returns tirolik:

• time: 60 Days
• paid by: Seller
• policy: Returns Accepted

seller tirolik:

• rating: 99.7%
• city: Rosemount, Minnesota
• # reviews: 70542

payments tirolik:

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

shipping tirolik:

• carrier: UPS
• transit: 2-5 Days
• type: Fixed
• service: UPS Ground
• cost: $0.00
• class: Standard

general tirolik:

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

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