ACURA TZ3-A0 Steering Rack Pinion Factory/oem 3.5L DH174

( Manufacturer Part Number: TZ3-A0 ), ( Type: Rack Pinion Body )

Review ACURA Factory/oem 3.5l Steering Rack And Pinion fits TLX 2015–2020

The **Factory/OEM TZ3-A0 Steering Rack Pinion (DH174) for the 2015 2020 Acura TLX 3.5L** is a precision-engineered, direct-fit replacement component designed to restore optimal handling, responsiveness, and durability to your vehicle s steering system. Manufactured to Honda/Acura s exact specifications, this high-quality steering rack pinion is built from robust, heat-treated alloy steel, ensuring superior strength and resistance to wear, fatigue, and misalignment over extended use. The pinion s helical gear teeth are meticulously machined to match the original equipment design, providing seamless engagement with the rack s internal gearing while minimizing noise, vibration, and harshness (NVH) during operation. This component is a critical part of the vehicle s power-assisted steering (PAS) system, delivering smooth, precise steering feedback and reducing the risk of premature failure in the rack s internal mechanisms. Ideal for both professional mechanics and DIY enthusiasts, the TZ3-A0 pinion is fully compatible with the 3.5L V6 engine configuration found in the 2015 2020 Acura TLX, including all trim levels and model years within this range. Whether replacing a worn-out pinion due to excessive play, unusual noises, or binding in the steering column, or addressing symptoms like a loose or unresponsive steering wheel, this OEM-replica part ensures a direct fit with no modifications required. Built to withstand the demands of daily driving, aggressive maneuvers, and varying road conditions, the DH174 pinion is a reliable choice for restoring your TLX s steering performance to factory specifications, enhancing safety and driving confidence.

### **Pros and Cons of Buying a Factory/OEM TZ3-A0 (2015 2020 Acura TLX 3.5L) Steering Rack Pinion (DH174)**

1. **Direct Fitment** The TZ3-A0 is the exact factory steering rack assembly for the 2015 2020 Acura TLX (3.5L V6), ensuring compatibility without modifications.

2. **Reliability** As an OEM part, it is built to the same quality standards as the original equipment, reducing the risk of premature failure compared to aftermarket knockoffs.

3. **Warranty Coverage** Purchasing from a reputable dealer or manufacturer may include a warranty, providing peace of mind against defects.

4. **Performance Consistency** The rack is designed to match the TLX s steering dynamics, ensuring proper feel and responsiveness.

5. **Long-Term Durability** High-quality materials and precision engineering make it a durable solution for the life of the vehicle if properly maintained.

6. **Ease of Installation** Since it is the original part, installation typically follows the same procedures as a replacement, reducing complexity.

7. **Resale Value** Using OEM parts can be preferable for buyers who prioritize authenticity, potentially improving the vehicle s resale appeal.

1. **Higher Cost** OEM parts are generally more expensive than aftermarket alternatives, which may be a significant investment for budget-conscious buyers.

2. **Limited Availability** Depending on the region, sourcing an authentic OEM rack may require ordering from a specialty supplier, potentially increasing lead time.

3. **Potential for Counterfeit Parts** Without purchasing from a trusted source, there is a risk of receiving a fake or substandard OEM part that fails prematurely.

4. **No Upgrades** Unlike aftermarket options, the TZ3-A0 does not offer performance enhancements (e.g., stiffer rack, improved steering ratio) unless modified.

5. **Depreciation** Like all vehicles, the TLX s value depreciates over time, and replacing a worn rack with an OEM part does not reverse this trend.

6. **Maintenance Requirements** The rack, like any mechanical component, will eventually wear out and may require future replacement, especially if the vehicle is driven aggressively or in harsh conditions.

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### **Ending Conclusion**

The **TZ3-A0 steering rack pinion** is an excellent choice for Acura TLX owners who prioritize **reliability, authenticity, and long-term performance**. It is the safest and most compatible option for restoring or maintaining the vehicle s original steering characteristics. However, the **higher cost and potential for counterfeit parts** are significant drawbacks that must be weighed against the benefits.

For buyers with a **tight budget**, aftermarket alternatives (e.g., from reputable brands like Moog, Febi Bilstein, or local specialty shops) may offer comparable performance at a lower price **provided they are properly researched and sourced**. Conversely, if **authenticity, warranty coverage, and peace of mind** are top priorities, the OEM TZ3-A0 remains the best option.

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### **Recommendation**

1. **If budget allows and authenticity is important** Purchase the **OEM TZ3-A0 from an Acura dealership or a trusted online supplier** (e.g., RockAuto, PartsGeek, or a local auto parts chain with a good return policy). Verify the part number and serial compatibility before purchasing.

2. **If cost is a concern but quality is non-negotiable** Opt for a **high-quality aftermarket rack** (e.g., **Moog 1030000, Febi 26263, or a local brand with good reviews**). Ensure it is designed for the 2015 2020 TLX and has positive feedback on durability.

3. **If unsure about the source** Consult a **local Acura specialist or steering rack expert** to confirm the part s legitimacy and compatibility before installation.

4. **Always inspect the rack before installation** Check for wear, leaks, or damage, and ensure the mounting points are clean and undamaged.

**Final Verdict:** The **TZ3-A0 is the best choice for a factory-replacement rack**, but buyers should balance cost, source reliability, and long-term needs before deciding. If performance upgrades are desired, an aftermarket rack with a stiffer design may be worth considering just ensure it meets or exceeds OEM standards.

Details:

Tie rods may or not be good. Removed from a running driving 2017 Acura Tlx 3.5 v6 AWD. So please plan on getting new ones.

part #: tz3a0 prices

• $205.00-$250.00

specifications steragebo:

• for models: Tlx
• for makes: Acura
• for years: 2015-2020
• mpn: Tz3-a0
• type: Rack Pinion Body

returns steragebo:

• policy: No Returns

general steragebo:

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

offer steragebo:

• sold: 0
• options: Ship-to-home
• best offers: True
• started: February 7, 2026
• quantity: 1
• availability: In Stock

payments steragebo:

• other
• credit card: Discover
• wallet: Paypal

shipping steragebo:

• transit: 3-5 Days
• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated
• cost: $0.00
• class: Standard

seller steragebo:

• city: Saint Paul, Minnesota
• rating: 98.9%
• # reviews: 2000

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