INFINITI 4900159J10 Infinity Power Steering Gear Rack Pinion Tie Rods

( Manufacturer Part Number: 4900159J10 ), ( Part Type: Infinity Steering Pinion Tie Gear Rack Rod ), ( Id: 614d3bd6-2df8-4611-8e84-79d796a54ffc ), ( Interchange: 551-58502 ), ( Year: 1993 ), ( Partout Id: A-128345258 )

Review INFINITI Infinity Power Steering Gear Rack And Pinion Oem Tie Rods fits G20 1991–1996

The **Infiniti 4900159J10 (1991 1996 Nissan/Infiniti G20) Power Steering Gear Rack, Pinion, and Tie Rod Assembly** is a critical, high-performance steering component designed to deliver precise, responsive handling and durability for these iconic front-wheel-drive sedans. This original equipment-grade (OEM) or high-quality aftermarket replacement part is engineered to restore the G20 s signature nimble steering feel, ensuring smooth operation while maintaining the vehicle s alignment and stability. The power steering gear rack, a key element of the steering system, houses the pinion shaft, which translates driver input into lateral movement of the tie rods, enabling the wheels to turn in unison. Crafted from robust, corrosion-resistant materials, this assembly is built to withstand the demands of daily driving, from city commutes to highway cruising, while minimizing wear and tear on the suspension and steering linkages. The tie rods, which connect the rack to the steering knuckles at each wheel, are designed with ball joints that allow for smooth articulation, reducing play and enhancing steering accuracy. Whether replacing a worn-out original component or upgrading to a more durable aftermarket version, this assembly ensures optimal steering geometry, reducing the risk of misalignment and improving overall vehicle control. Ideal for enthusiasts seeking to restore their G20 s factory-like performance or mechanics performing routine maintenance, this part is a direct-fit solution that aligns with the vehicle s original specifications, guaranteeing compatibility without the need for modifications. Proper installation, including torque specifications and alignment adjustments, is essential to maximize its performance and longevity.

### **Pros and Cons of Buying a 1991-1996 Infiniti G20 Power Steering Gear Rack, Pinion, and Tie Rods (Part Number: 4900159J10)**

1. **Compatibility and Fitment** This part is designed specifically for the 1991 1996 Infiniti G20 (and some early Nissan Sentra models), ensuring a direct fit without modifications. It is a direct replacement for the original equipment manufacturer (OEM) components, reducing the risk of alignment or handling issues.

2. **Improved Steering Feel** A worn or leaking power steering rack can cause sluggish, imprecise, or noisy steering. Replacing the rack, pinion, and tie rods with this set can restore smooth, responsive steering, enhancing both comfort and safety.

3. **Prevents Further Damage** Ignoring a failing power steering system can lead to complete rack failure, which is far more expensive to repair. Addressing the issue early with this replacement set can prevent catastrophic failure and extend the lifespan of other steering components.

4. **OEM Quality** As an OEM part, it is built to the same standards as the original components, offering durability and reliability. While aftermarket parts may be cheaper, OEM parts often last longer and perform better.

5. **Includes Tie Rods** This bundle includes the tie rods, which are critical for wheel alignment. Replacing them simultaneously with the rack ensures all steering components are synchronized, improving handling and tire wear.

6. **Warranty Coverage** If purchased from a reputable dealer or online retailer, this part may come with a warranty, providing peace of mind against early failure.

7. **Better Resale Value** A vehicle with a fully functional steering system is more attractive to buyers, potentially increasing its resale value compared to one with known steering issues.

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1. **Cost** OEM parts are generally more expensive than aftermarket alternatives. The price of this set may be higher than budget-friendly aftermarket options, though the trade-off is often better quality and longevity.

2. **Installation Complexity** Replacing a power steering rack and tie rods requires mechanical skill, specialized tools (such as a tie-rod separator and alignment tool), and access to a lift or hoist. DIYers without experience may struggle, potentially leading to mistakes or improper alignment.

3. **Labor Time** Professional installation can take several hours, depending on the vehicle s condition and the mechanic s efficiency. Labor costs can add significantly to the total expense.

4. **Potential Hidden Issues** Even with a new rack and tie rods, other steering or suspension components (e.g., ball joints, bushings, or control arms) may be worn. If these are not addressed, the vehicle may still exhibit handling problems post-replacement.

5. **Limited Availability** While this part is widely available for Infiniti G20 models, sourcing may be difficult if buying from a less common supplier. Prices can also fluctuate based on demand and supplier location.

6. **Alignment Required** After installation, the vehicle will need a professional wheel alignment to ensure proper steering geometry. This adds an additional cost and time to the repair process.

7. **Potential for Counterfeit Parts** If purchasing from an untrusted seller (especially online), there is a risk of receiving counterfeit or low-quality parts. Always verify the seller s reputation and part authenticity.

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Buying the **Infiniti G20 Power Steering Gear Rack, Pinion, and Tie Rods (4900159J10)** is a **strong investment** for owners dealing with steering sloppiness, leaks, or excessive play. The OEM quality ensures reliability, and replacing all three components at once prevents future issues. However, the **higher cost, installation complexity, and need for additional work (like alignment)** must be considered.

For most owners, the **benefits outweigh the drawbacks**, especially if the steering system is failing. If budget is a concern, **aftermarket parts** (from reputable brands like ACDelco, Dorman, or Mopar) can be a cost-effective alternative, though they may not last as long as OEM.

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- **If you prioritize longevity and reliability**, purchase the **OEM part (4900159J10)** from a trusted dealer (e.g., Infiniti, Nissan, or a reputable online parts store like RockAuto, AutoZone, or Amazon with verified sellers).

- **If cost is a major concern**, compare **high-quality aftermarket alternatives** (e.g., ACDelco Genuine Parts, Dorman, or Mopar) and ensure they are compatible with your vehicle s year and trim.

- **Have a professional mechanic perform the installation** if you lack experience, as improper installation can lead to alignment issues or premature wear.

- **Always follow up with a wheel alignment** after replacement to ensure optimal handling.

- **Inspect other steering/suspension components** (ball joints, control arms, bushings) during the repair to avoid future problems.

**Final Verdict:** This is a **worthwhile upgrade** for G20 owners with steering concerns, provided you source the part correctly and address any accompanying issues. The long-term benefits in safety, comfort, and vehicle performance justify the cost for most owners.

Details:

Model: INFINITI G20. Steering Gear incl. Search for more parts INFINITI G20.

part #: 4900159j10 prices

• $203.22-$445.00

specifications steragebo:

• for models: G20
• for makes: Infiniti
• for years: 1991-1996
• mpn: 4900159j10
• part type: Infinity Steering Pinion Tie Gear Rack Rod
• id: 614d3bd6-2df8-4611-8e84-79d796a54ffc
• interchange: 551-58502
• year: 1993
• partout id: A-128345258

seller steragebo:

• city: Brush, Colorado
• rating: 99.6%
• # reviews: 16594

payments steragebo:

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

general steragebo:

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

shipping steragebo:

• type: Fixed
• transit: 3-5 Days
• class: Standard
• service: Standard
• cost: $0.00

returns steragebo:

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

offer steragebo:

• sold: 0
• started: May 17, 2026
• quantity: 1
• availability: In Stock
• options: Ship-to-home

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