HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsSpectra TB1011 Fuel Injection Throttle Body Assembly
Part #: TB1011

Spectra TB1011 Fuel Injection Throttle Body Assembly

121 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, Cadillac, Hummer, Saab, Buick, and Isuzu, Trailblazer, Envoy, Escalade, Escalade ESV, Escalade EXT, Avalanche, Cheyenne, Express 1500, Express 2500, Express 3500, Silverado 1500, Silverado 2500, Silverado 2500 HD, Silverado 3500 HD, Suburban 1500, Suburban 2500, Tahoe, Savana 1500, Savana 2500, Savana 3500, Sierra, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500, H2, H3, 9-7x, Rainier, SSR, Trailblazer EXT, Envoy XL, Ascender, and Envoy XUV
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Reliable Fuel Injection Throttle Body Assembly for GM and More

The Spectra TB1011 Fuel Injection Throttle Body Assembly is designed to restore proper air and fuel delivery in a range of GM and related vehicles. Engineered for compatibility with multiple makes and models, this throttle body assembly ensures consistent engine performance and drivability.

  • Direct replacement throttle body assembly for select Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, and Saab vehicles
  • Compatible with models including Escalade, Silverado 1500, Yukon XL 2500, Trailblazer, and more
  • Manufactured to meet OEM specifications for fit and function
  • Part number TB1011 for precise identification and fitment
  • Supports optimal air and fuel mixture for improved engine response

Product Details and Compatibility

The Spectra TB1011 throttle body assembly is a critical component in the fuel injection system, responsible for regulating airflow into the engine. This part is compatible with a wide range of vehicles such as the Chevrolet Avalanche, GMC Sierra 2500 HD, Cadillac Escalade ESV, and Hummer H3. It is designed to replace the original throttle body assembly, ensuring proper throttle response and engine efficiency. The part number TB1011 helps confirm exact fitment for your vehicle, reducing installation errors and downtime.

Common Applications and Problem Resolution

  • Restores proper throttle response in Buick Rainier and Isuzu Ascender models
  • Resolves rough idling and stalling issues in Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD
  • Addresses engine hesitation and poor acceleration in Cadillac Escalade EXT and Hummer H2
  • Corrects check engine light triggers related to throttle body faults in Saab 9-7x and GMC Envoy XL
  • Improves fuel efficiency and drivability in Chevrolet Suburban 2500 and GMC Yukon XL 1500

Installation Notes and Tips

Installation of the Spectra TB1011 throttle body assembly should be performed by a qualified technician familiar with fuel injection systems. Ensure the vehicle’s battery is disconnected before removal to prevent electrical issues. Clean the throttle body mounting surface and inspect related sensors for damage. After installation, perform a throttle body relearn procedure if required by the vehicle’s ECU to ensure proper operation.

Quality Assurance and Warranty

Spectra manufactures the TB1011 throttle body assembly to meet or exceed OEM standards, providing reliable performance and durability. Each unit undergoes rigorous quality control inspections. While specific warranty details may vary, Spectra typically offers a limited warranty covering defects in materials and workmanship to support your investment in vehicle maintenance.

This part fits 121 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016ChevroletCheyenne5.3LV8N/A
2014ChevroletTahoe5.3LV8N/A
2013ChevroletTahoe5.3LV8N/A
2012ChevroletTahoe5.3LV8N/A
2011ChevroletTahoe5.3LV8N/A
2010ChevroletCheyenne5.3LV8N/A
2010ChevroletSilverado 35006.0LV8N/A
2009ChevroletCheyenne5.3LV8N/A
2009ChevroletSilverado 35006.0LV8N/A
2009ChevroletSuburban 15005.3LV8N/A
2009ChevroletTrailblazer6.0LV8N/A
2009GMCEnvoy5.3LV8N/A
2008CadillacEscalade6.2LV8N/A
2008CadillacEscalade ESV6.2LV8N/A
2008CadillacEscalade EXT6.2LV8N/A
2008ChevroletAvalanche6.0LV8N/A
2008ChevroletAvalanche5.3LV8N/A
2008ChevroletCheyenne5.3LV8N/A
2008ChevroletExpress 15005.3LV8N/A
2008ChevroletExpress 25006.0LV8N/A
2008ChevroletExpress 25004.8LV8N/A
2008ChevroletExpress 35006.0LV8N/A
2008ChevroletExpress 35005.3LV8N/A
2008ChevroletExpress 35004.8LV8N/A
2008ChevroletSilverado 15006.0LV8GASN/A
2008ChevroletSilverado 15005.3LV8GASN/A
2008ChevroletSilverado 15005.3LV8FLEXN/A
2008ChevroletSilverado 15004.8LV8GASN/A
2008ChevroletSilverado 25005.3LV8N/A
2008ChevroletSilverado 25004.8LV8N/A
2008ChevroletSilverado 2500 HD6.0LV8GASN/A
2008ChevroletSilverado 35006.0LV8N/A
2008ChevroletSilverado 3500 HD6.0LV8GASN/A
2008ChevroletSuburban 15006.0LV8N/A
2008ChevroletSuburban 15005.3LV8N/A
2008ChevroletSuburban 25006.0LV8N/A
2008ChevroletTahoe6.2LV8N/A
2008ChevroletTahoe6.0LV8N/A
2008ChevroletTahoe5.3LV8N/A
2008ChevroletTahoe4.8LV8N/A
2008ChevroletTrailblazer6.0LV8N/A
2008ChevroletTrailblazer5.3LV8N/A
2008GMCEnvoy5.3LV8N/A
2008GMCSavana 15005.3LV8N/A
2008GMCSavana 25006.0LV8GASN/A
2008GMCSavana 25004.8LV8GASN/A
2008GMCSavana 35006.0LV8GASN/A
2008GMCSavana 35004.8LV8GASN/A
2008GMCSierra6.2LV8N/A
2008GMCSierra5.3LV8N/A
2008GMCSierra 15006.2LV8GASN/A
2008GMCSierra 15006.0LV8GASN/A
2008GMCSierra 15005.3LV8GASN/A
2008GMCSierra 15005.3LV8FLEXN/A
2008GMCSierra 15004.8LV8GASN/A
2008GMCSierra 2500 HD6.0LV8GASN/A
2008GMCSierra 3500 HD6.0LV8GASN/A
2008GMCYukon6.2LV8N/A
2008GMCYukon6.0LV8N/A
2008GMCYukon5.3LV8N/A
2008GMCYukon4.8LV8N/A
2008GMCYukon XL 15006.2LV8N/A
2008GMCYukon XL 15006.0LV8N/A
2008GMCYukon XL 15005.3LV8N/A
2008GMCYukon XL 25006.0LV8N/A
2008HummerH26.2LV8N/A
2008HummerH35.3LV8N/A
2008Saab9-7x5.3LV8N/A
2007BuickRainier5.3LV8N/A
2007CadillacEscalade6.2LV8N/A
2007CadillacEscalade ESV6.2LV8N/A
2007CadillacEscalade EXT6.2LV8N/A
2007ChevroletAvalanche6.0LV8N/A
2007ChevroletAvalanche5.3LV8N/A
2007ChevroletCheyenne5.3LV8N/A
2007ChevroletSilverado 15006.0LV8N/A
2007ChevroletSilverado 15005.3LV8N/A
2007ChevroletSilverado 15004.8LV8N/A
2007ChevroletSilverado 25005.3LV8N/A
2007ChevroletSilverado 25004.8LV8N/A
2007ChevroletSilverado 2500 HD6.0LV8GASN/A
2007ChevroletSilverado 3500 HD6.0LV8GASN/A
2007ChevroletSuburban 15006.0LV8N/A
2007ChevroletSuburban 15005.3LV8N/A
2007ChevroletSuburban 25006.0LV8N/A
2007ChevroletTahoe5.3LV8N/A
2007ChevroletTahoe4.8LV8N/A
2007ChevroletTrailblazer6.0LV8N/A
2007ChevroletTrailblazer5.3LV8N/A
2007GMCEnvoy5.3LV8N/A
2007GMCSierra5.3LV8N/A
2007GMCSierra 15006.2LV8N/A
2007GMCSierra 15006.0LV8N/A
2007GMCSierra 15005.3LV8N/A
2007GMCSierra 15004.8LV8N/A
2007GMCSierra 2500 HD6.0LV8GASN/A
2007GMCSierra 3500 HD6.0LV8GASN/A
2007GMCYukon6.2LV8N/A
2007GMCYukon5.3LV8N/A
2007GMCYukon4.8LV8N/A
2007GMCYukon XL 15006.2LV8N/A
2007GMCYukon XL 15006.0LV8N/A
2007GMCYukon XL 15005.3LV8N/A
2007GMCYukon XL 25006.0LV8N/A
2007Saab9-7x5.3LV8N/A
2006BuickRainier5.3LV8N/A
2006ChevroletSSR6.0LV8N/A
2006ChevroletTrailblazer6.0LV8N/A
2006ChevroletTrailblazer5.3LV8N/A
2006ChevroletTrailblazer EXT5.3LV8N/A
2006GMCEnvoy5.3LV8N/A
2006GMCEnvoy XL5.3LV8N/A
2006IsuzuAscender5.3LV8N/A
2006Saab9-7x5.3LV8N/A
2005BuickRainier5.3LV8N/A
2005ChevroletSSR6.0LV8N/A
2005ChevroletTrailblazer EXT5.3LV8N/A
2005GMCEnvoy XL5.3LV8N/A
2005GMCEnvoy XUV5.3LV8N/A
2005IsuzuAscender5.3LV8N/A
2005Saab9-7x5.3LV8N/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:

12572658125807601267952421724226730086E3008977014ETB0024NTB1013RTB1013S20008XTP673008

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