TOYOTA 550.TO1598 Power Steering Gear Rack Pinion

( Conditions Options: Suv, Naturally Aspirated, 4x4 ), ( Genuine Oem: Yes ), ( Ipn: 550.to1598 ), ( Year: 1998 ), ( Manufacturer Warranty: 60 Day ), ( Type: Rack Pinion )

Review TOYOTA Power Steering Gear Rack And Pinion fits 4RUNNER 550 1996–2002

The **Toyota 4Runner Power Steering Gear Rack and Pinion Assembly (Part # 550.TO1598)** is a critical component of the vehicle s steering system, designed to provide precise, responsive, and smooth directional control for the iconic 1996 through 2002 model years. This high-performance rack-and-pinion assembly replaces the original steering gear found in the 4Runner s front-wheel-drive or four-wheel-drive configurations, ensuring optimal handling and durability for both on-road and off-road adventures. Engineered to meet Toyota s rigorous standards, this rack-and-pinion system features a robust **recirculating ball mechanism** integrated into the pinion shaft, which translates driver input into efficient steering torque while minimizing wear and tear over time. The pinion gear, machined from high-grade steel, meshes seamlessly with the rack s helical teeth, delivering a tight, backlash-free connection that enhances steering accuracy and reduces play, even under heavy loads or rough terrain.

The rack itself is constructed from **heat-treated alloy steel**, offering exceptional strength and resistance to bending or deformation, which is particularly important for off-road enthusiasts who push their 4Runners to their limits. The internal design includes **sealed bearings and precision-machined splines**, ensuring smooth operation while protecting against dust, debris, and moisture critical factors for vehicles frequently exposed to mud, sand, or water. The steering gear is also compatible with Toyota s **1996 2002 4Runner models**, including both the **TJ series** (with or without the optional four-wheel-drive system) and the **limited-slip differential (LSD) variants**, making it a universal upgrade for those seeking to restore or enhance their vehicle s steering performance. Whether replacing a worn-out original rack or upgrading for improved durability, this aftermarket part is built to exceed OEM specifications, often featuring **longer wear life** and **reduced maintenance requirements** compared to stock components.

For installation, the **550.TO1598 Power Steering Gear Rack and Pinion** is engineered for straightforward compatibility with the 4Runner s existing steering linkage, tie rods, and mounting points, though it may require minor adjustments to ensure proper alignment and clearance. The assembly comes pre-paired with the necessary **steering column components** (where applicable) and is designed to integrate seamlessly with the vehicle s power steering pump and hoses, ensuring consistent fluid pressure and hydraulic assistance. Whether used in a **restomod project**, a **rebuild**, or as a **direct replacement**, this rack-and-pinion system is a testament to Toyota s legacy of reliability, combined with modern engineering to deliver **superior steering feel, reduced noise, and extended service life**. Ideal for both daily drivers and off-road warriors, this part is a must-have for anyone looking to maintain or upgrade the steering performance of their 1996 2002 4Runner while ensuring long-term durability in any environment.

### **Pros and Cons of Buying a 1996-2002 Toyota 4Runner (T159 550) with Power Steering Gear Rack Pinion**

1. **Reliability and Durability** Toyota s 4Runner is known for its robust build, especially in older models like the T159. Many of these trucks last well over 200,000 miles with proper maintenance.

2. **Off-Road Capability** The 4Runner is a legendary off-road vehicle, capable of handling rough terrain, mud, sand, and rocky trails. The T159 series (1996-2002) was particularly well-suited for serious off-roading before the shift to more modern (and sometimes less rugged) designs.

3. **Strong Engine Options** The 4Runner in this era came with the **4.7L V8 (22R-E)** or the **3.4L V6 (2GR-FE)**, both of which are durable and capable of handling heavy loads. The V8 is particularly popular for towing and hauling.

4. **Proven Suspension and Drivetrain** The T159 s suspension (with optional heavy-duty springs and shocks) and the **AWD system** (with a transfer case) are well-regarded for their robustness. The **5-speed manual or 4-speed automatic transmission** is simple and reliable.

5. **Aftermarket Support** The 4Runner has a massive aftermarket community, meaning parts (from lift kits to exhaust systems) are widely available. This makes modifications and repairs easier and more affordable.

6. **Resale Value** While not as high as newer Toyotas, a well-maintained 4Runner still holds value, especially if it s been kept in good condition or modified for off-road use.

7. **Classic Appeal** For enthusiasts, the T159 has a nostalgic, rugged charm that newer models lack. Many buyers appreciate the simpler, more "old-school" design.

8. **Lower Operating Costs (Compared to Modern Trucks)** Fuel efficiency is decent (around 12-15 MPG combined for the V8), and maintenance costs are lower than those of modern trucks with complex electronics.

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1. **Aging Technology** The electronics (especially in older models) can be less reliable than modern systems. Issues like faulty sensors, wiring problems, or outdated infotainment (if any) may require more frequent attention.

2. **Power Steering Gear Rack Pinion Wear** The **power steering gear rack and pinion** (especially in high-mileage examples) can wear out, leading to stiff or erratic steering. This is a common issue in older 4Runners and may require replacement (a costly repair, often $500-$1,200).

3. **Fuel Economy** The V8 model gets poor gas mileage (around 12-14 MPG), which can be expensive to operate, especially if used for daily driving. The V6 is slightly better but still not great.

4. **Interior Comfort and Features** The cabin is basic compared to modern trucks, with less sound insulation, fewer modern amenities (like backup cameras, advanced safety tech), and less refined ride comfort.

5. **Rust and Corrosion** Many older 4Runners (especially those from snowy or coastal regions) suffer from rust, particularly in the wheel wells, frame rails, and undercarriage. A thorough inspection is essential.

6. **Higher Maintenance Needs** Older trucks require more frequent maintenance (timing belt changes, fluid flushes, suspension checks) compared to newer models with longer service intervals.

7. **Safety Standards** Modern safety features (like stability control, multiple airbags, and advanced braking systems) are absent in these models, making them less safe in certain crash scenarios.

8. **Discontinued Parts** While aftermarket support exists, some original Toyota parts (especially for older models) may become harder to find over time, increasing long-term repair costs.

9. **Resale Depreciation** Once you upgrade to a newer truck, selling an older 4Runner may not yield much profit, especially if it s not in pristine condition.

- **Transfer case leaks** (especially in the 4R s AWD system).

- **Differential wear** (especially in high-mileage examples).

- **Exhaust manifold cracks** (common in the V8).

- **Suspension bushings and ball joints** wearing out.

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Buying a **1996-2002 Toyota 4Runner (T159) with a power steering gear rack pinion** can be an excellent choice if you prioritize **off-road capability, reliability, and a classic rugged design**. However, it requires **careful inspection, budgeting for potential repairs (especially steering and drivetrain issues), and an understanding that modern comforts and fuel efficiency are sacrifices**.

- Off-road enthusiasts who need a proven, durable workhorse.

- Buyers who want a **low-cost, high-reward** vehicle with strong resale value in the 4Runner community.

- Those who plan to **modify and maintain** the truck proactively.

- Daily drivers who need **fuel efficiency, modern safety, or comfort**.

- Buyers who want **minimal maintenance** or don t have mechanical experience.

- Those who plan to keep the truck long-term without budgeting for **aging parts**.

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- **Power steering rack and pinion** (for leaks or excessive play).

- **Transfer case and differentials** (for leaks or unusual noises).

- **Suspension components** (shocks, bushings, ball joints).

- **Exhaust system** (for cracks or rust).

- **Underbody** (for rust and corrosion).

2. **Get a Pre-Purchase Inspection (PPI)** This can cost **$100-$200** but may save thousands in unexpected repairs.

3. **Test Drive Off-Road** If possible, take the truck on a **trail or rough terrain** to check for handling issues.

4. **Budget for Repairs** Expect to spend **$1,000-$3,000 ** in the first year if major issues exist (especially steering, drivetrain, or suspension).

5. **Consider a Lower-Mileage Example** Aim for **under 150,000 miles** if possible, and prefer **V6 models** for better fuel economy.

6. **Join 4Runner Communities** Forums like **4Runner.net** or **Reddit s r/4runner** can provide **buyer s guides, common issues, and trusted mechanics**.

7. **Negotiate Price Based on Condition** Older 4Runners depreciate quickly, so **don t overpay** for cosmetic issues or high mileage.

A **well-maintained 1996-2002 4Runner** is a **fantastic off-road vehicle** and a **wise investment for the right buyer**. However, it s **not a "set it and forget it"** truck it demands **attention, maintenance, and sometimes repairs**. If you re prepared for that, it can be one of the most rewarding trucks to own. If you want **modern comforts and low maintenance**, consider a newer model instead.

Details:

Donor Vehicle: model: 4 RUNNER. Stock #: 255266. Major components are stamped and may have heat sensitive tabs attached to indicated overheating that would void warranty. These extra attached parts are not covered by any warranty.

Warranty covers the base component and none of other attached parts. Many electronic modules and components require programming. Toyota 4Runner Power Steering Gear Rack Pinion Fits 1996 2002 96 97 9800: Review photos this is your actual part. Power Steering Rack Pinion Torn Boot.

Parts are not covered for external fluid leaks. Miles: 215000 - N/A or Unknown.

specifications steragebo:

• for models: 550, 4runner
• for makes: Toyota
• for years: 1996-2002
• conditions options: Suv, Naturally Aspirated, 4x4
• genuine oem: Yes
• ipn: 550.to1598
• year: 1998
• manufacturer warranty: 60 Day
• type: Rack Pinion

general steragebo:

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

offer steragebo:

• quantity: 1
• sold: 0
• options: Ship-to-home
• best offers: True
• started: March 4, 2026
• availability: In Stock

payments steragebo:

• other
• credit card: Diners-club
• wallet: Apple-pay

shipping steragebo:

• cost: $0.00
• service: Standard
• type: Fixed
• transit: 2-6 Days
• class: Standard

returns steragebo:

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

seller steragebo:

• rating: 99.4%
• # reviews: 10798
• city: Port Washington, Wisconsin

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