HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsSpectra TB1003 Fuel Injection Throttle Body Assembly
Part #: TB1003

Spectra TB1003 Fuel Injection Throttle Body Assembly

4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Nissan, Sentra
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Overview of Spectra Fuel Injection Throttle Body Assembly TB1003

The Spectra TB1003 Fuel Injection Throttle Body Assembly is designed specifically for Nissan Sentra models, providing reliable air and fuel delivery performance. This throttle body assembly ensures precise throttle response and optimal engine efficiency for your vehicle.

  • Compatible with Nissan Sentra models
  • Direct replacement for original throttle body assembly
  • Ensures accurate air and fuel mixture control
  • Manufactured to meet OEM specifications
  • Part number TB1003 for easy identification

Detailed Product Description

The Spectra TB1003 throttle body assembly is engineered to maintain proper airflow and fuel injection control in Nissan Sentra vehicles. This component plays a critical role in regulating the amount of air entering the engine, which directly affects combustion efficiency and engine performance. Designed as a direct fit replacement, the TB1003 throttle body assembly integrates seamlessly with the existing fuel injection system, ensuring consistent throttle response and smooth acceleration.

Applications and Common Issues Addressed

  • Restores proper throttle response in Nissan Sentra models
  • Resolves rough idling and engine hesitation problems
  • Corrects issues related to poor fuel economy
  • Eliminates throttle body-related check engine light triggers
  • Improves overall engine performance and drivability

Installation Notes and Tips

Installation of the Spectra TB1003 throttle body assembly should be performed by a qualified technician familiar with Nissan Sentra fuel injection systems. Ensure the vehicle’s battery is disconnected before beginning installation to prevent electrical issues. Clean the throttle body mounting surface and surrounding components to avoid contamination. After installation, it is recommended to perform a throttle body relearn procedure or reset the engine control unit to optimize performance.

Quality Assurance and Warranty

Spectra manufactures the TB1003 throttle body assembly to meet or exceed OEM standards, ensuring durability and reliable operation. This part undergoes rigorous quality control testing to guarantee fitment and function. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or region.

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006NissanSentra1.8LL4N/A
2005NissanSentra1.8LL4N/A
2004NissanSentra1.8LL4N/A
2003NissanSentra1.8LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

100216119AU0016119AU00016119AU00316119AU00A16119AU00B16119AU00C1611KAU00ARE1611KAU00BRE6700056E0005977303977561ETB0002S20052XTP670005

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.