fits model: G20. make: Infiniti. year: 1991–1993.

( Manufacturer Part Number: 1660053J03 ), ( Part Type: Infinity Fuel Injector ), ( Id: 81047121-e7b8-462f-869a-080447c17160 ), ( Interchange: 322-59464c ), ( Partout Id: A-128368207 )
The **Infiniti 1660053J03 Fuel Rail Injectors Set (1991 1993 2.0L Nissan/Infiniti G20)** is a precision-engineered component designed to deliver optimal fuel delivery performance for the high-revving, turbocharged inline-four engine found in the original generation of the Infiniti G20 and its Nissan counterpart, the 200SX. These injectors are part of the original equipment manufacturer (OEM) specification, ensuring seamless compatibility with the G20 s fuel-injected port injection system, which relies on accurate and consistent fuel metering to maintain peak engine efficiency and power output. Crafted to meet the stringent demands of the 2.0L turbocharged engine known for its spirited handling and sporty character the injectors feature a robust **top-mounted solenoid design**, allowing for direct fuel delivery into the intake ports while minimizing dead volume and maximizing flow efficiency. Built with **high-quality stainless steel and precision-machined internals**, these injectors are engineered to withstand the pressures and temperatures generated by the turbocharged setup, reducing the risk of clogging, leaking, or premature wear. Whether restoring a classic G20 to its original glory or upgrading an existing system for improved throttle response and fuel economy, this set of **two injectors** provides a direct replacement solution that adheres to the factory s exacting standards. Ideal for enthusiasts seeking a balance of reliability and performance, these injectors are a critical component for maintaining the engine s responsiveness, especially under aggressive driving conditions or when paired with performance modifications. Proper installation, including a thorough cleaning of the fuel system and calibration of the engine control module (ECM), is recommended to ensure optimal performance and longevity.
### Pros and Cons of buying a Infiniti G20 (1991-1993) Fuel Rail Injectors Set (Part Number: 1660053J03, 2.0L Engine)
#### **Pros:**1. **OEM Quality and Reliability** This is an original equipment manufacturer (OEM) part, meaning it meets Infiniti s exact specifications for fit, function, and performance. OEM components are generally more reliable than aftermarket alternatives, reducing the risk of premature failure or compatibility issues.
2. **Direct Replacement** The part number (1660053J03) is designed specifically for the 2.0L engine in the 1991-1993 Infiniti G20. This ensures a perfect fit without modifications, making installation straightforward for those with basic mechanical skills or a trusted mechanic.
3. **Fuel Efficiency and Performance** Worn or failing injectors can lead to poor fuel atomization, reduced power, and decreased fuel economy. Replacing them with new OEM injectors can restore optimal engine performance, smoother acceleration, and better fuel efficiency.
4. **Prevents Long-Term Damage** Injectors that are clogged or leaking can cause carbon buildup, misfires, or even catastrophic engine failure if left unaddressed. Replacing them proactively can save money by avoiding more extensive repairs down the line.
5. **Resale Value** Maintaining the engine with genuine parts can enhance the vehicle s resale value, especially if you plan to sell the car in the future. Potential buyers will appreciate the knowledge that critical components have been replaced with high-quality parts.
6. **Warranty Coverage** OEM parts often come with a manufacturer s warranty (typically 12-24 months), providing peace of mind in case of defects. This is particularly useful if you re unsure about the quality of aftermarket alternatives.
7. **Compatibility with Modern Standards** Unlike older aftermarket injectors that may not meet modern emissions or performance standards, OEM injectors are designed to comply with the regulations of their era, ensuring the vehicle runs cleanly and efficiently.
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#### **Cons:**1. **Higher Cost** OEM parts are generally more expensive than aftermarket equivalents. While this may seem like a drawback, the long-term reliability often justifies the upfront cost. However, if budget is a major concern, aftermarket injectors from reputable brands (e.g., Denso, Delphi, or Stanadyne) can be a cost-effective alternative.
2. **Limited Availability** OEM parts for older vehicles like the 1991-1993 G20 can be harder to source, especially as the model ages. You may need to order from specialty auto parts dealers or online marketplaces, which could involve shipping delays or higher prices due to demand.
3. **Installation Complexity** While the injectors themselves are a direct replacement, their installation may require removing the fuel rail, throttle body, or intake manifold. This can be a labor-intensive process, especially for inexperienced DIYers. If you re not comfortable with engine work, hiring a mechanic will add to the cost.
4. **Potential for Counterfeit Parts** When purchasing OEM parts online, there s a risk of receiving counterfeit or refurbished parts that don t meet the original specifications. Always buy from trusted sellers (e.g., Infiniti dealerships, RockAuto, or eBay with verified feedback) to avoid this issue.
5. **Age of the Vehicle** The 1991-1993 G20 is an older car, and other components (e.g., fuel pump, fuel lines, or sensors) may also be worn out. Replacing just the injectors may not fully resolve performance issues if other parts are failing. A thorough inspection of the entire fuel system is advisable.
6. **Environmental and Emissions Concerns** Older vehicles like the G20 may not meet modern emissions standards if modified or if the injectors are not functioning correctly. While OEM injectors should comply with the original emissions requirements, driving the car frequently may still require periodic emissions testing in some regions.
7. **Limited Aftermarket Support** Unlike newer vehicles, there s less aftermarket support (e.g., diagnostic tools, forums, or tutorials) for the G20. This can make troubleshooting or finding additional parts more challenging if issues arise post-installation.
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### **Conclusion:**Replacing the fuel rail injectors in a 1991-1993 Infiniti G20 with the OEM set (1660053J03) is a **highly recommended maintenance task** for restoring engine performance, fuel efficiency, and reliability. The benefits of using OEM parts such as guaranteed fit, quality, and warranty coverage outweigh the drawbacks for most owners, especially if the car is a project vehicle or a daily driver you intend to keep long-term.
However, if cost is a significant concern, **high-quality aftermarket injectors** (e.g., Denso or Delphi) can be a viable alternative, provided they are compatible and come with a good warranty. Always ensure the injectors are new (not used or refurbished) to avoid performance issues.
### **Recommendation:**1. **Verify the Part Number** Double-check that 1660053J03 is indeed the correct part for your specific G20 (some years or trims may have slight variations). Consult your vehicle s service manual or an Infiniti specialist if unsure.
2. **Purchase from a Trusted Source** Buy the injectors from an authorized Infiniti dealer, a reputable online retailer (e.g., RockAuto, eBay with positive feedback, or Amazon), or a local auto parts store with a return policy. Avoid unknown sellers to avoid counterfeit parts.
3. **Inspect Other Fuel System Components** While replacing the injectors, consider inspecting or replacing the **fuel pump, fuel filter, fuel lines, and sensors** (e.g., MAF, oxygen sensors). A clogged fuel filter or failing pump can negate the benefits of new injectors.
4. **Professional Installation (If Needed)** If you re not experienced with engine work, have a mechanic install the injectors. Improper installation (e.g., damaged O-rings, improper torque) can lead to leaks or performance issues. If you choose to DIY, follow the manufacturer s instructions carefully and use the correct tools.
5. **Reset the Engine Computer** After installation, the engine s computer may need to relearn the injectors. This often involves a simple reset procedure (e.g., disconnecting the battery for 10 minutes or using an OBD-II scanner). Refer to your owner s manual or a repair guide for specifics.
6. **Monitor Performance Post-Installation** After driving the car for a few days, listen for unusual noises, check for leaks, and monitor fuel efficiency and power. If issues persist, consult a mechanic to diagnose potential underlying problems.
7. **Consider Long-Term Maintenance** New injectors will last longer if you use **high-quality fuel** (avoiding ethanol blends above 10%) and follow a regular maintenance schedule (e.g., fuel system cleaner every 10,000 miles).
### **Final Verdict:** **Buy the OEM injectors (1660053J03) if:**- You prioritize reliability and long-term performance.
- You re willing to pay a premium for genuine parts.
- You plan to keep the car for several years or use it frequently.
**Consider aftermarket alternatives if:**- Budget is a major constraint, and you ve researched reputable brands.
- You re confident in the quality of the aftermarket injectors (e.g., Denso or Delphi with a warranty).
For most owners of a 1991-1993 G20, the OEM injectors are the **best choice** for ensuring a smooth, efficient, and trouble-free engine. The investment in quality parts will pay off in better performance and fewer future issues.
INFINITI G20 92-93 Fuel Injector. This part will fit the following: INFINITI G20 91 Fuel Injector, MT. Search for more parts INFINITI G20.