Throttle Body fits for GMC Chevrolet Buick Cadillac Vehicles - for Chevy Avalanche Express Silverado Suburban Tahoe GMC Envoy Savana Sierra Yukon Buick Cadillac Escalade 2003-2007, 12570800
Throttle Body fits for GMC Chevrolet Buick Cadillac Vehicles - for Chevy Avalanche Express Silverado Suburban Tahoe GMC Envoy Savana Sierra Yukon Buick Cadillac Escalade 2003-2007, 12570800
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Delivery & Shipping
Delivery & Shipping
Shipping Time
🚚 Free Economy Shipping (3–7 business days)
⚡ Standard Shipping ($19.99) — Get your order in 3–5 business days!
International shipping: about 8-15 working days.
Orders require a standard processing time of up to 48 business hours before shipment.
Shipping Cost
We offer FREE SHIPPING on all of our products to customers in the Continental U.S.
For remote areas such as Alaska, Hawaii, Puerto Rico, or international customers such as those in Canada or Mexico, we will charge an additional shipping fee based on the weight of your purchase. If you need a price quotation, please contact us at service@toptuningboost.com
Tracking
Your tracking number will be sent in email immediately after we ship the order out. You may follow the link in the email to check the estimated arrival time of your order.
Usually ships from our US warehouse. If out of stock, items will be shipped from our international partners (delivery in 3–14 business days).
Refund & Returns
Refund & Returns
We hope you love what you've ordered! But just in case you're not 100% satisfied.
We've made the return process super easy. If for any reason you are unhappy with your order or should you wish to return or exchange a product then please contact us at service@toptuningboost.com at any time from Monday to Friday within 30 days after you received the item.
Description
Description
About this item
- Models Fitment 1: The electronic throttle body fits for GMC Envoy XL 2003-2004, Envoy XUV 2004-2004, Savana 1500 2007-2007, Savana 2500/3500 2004-2007, Sierra 1500 2003-2006, Sierra 1500 Classic 2007, Sierra 1500 HD 2003 2005-2006, Sierra 1500 HD Classic 2007-2007, Sierra 2500 2003-2004, Sierra 2500 HD 2003-2006, Sierra 3500 2003-2006, Yukon 2003-2006, Yukon XL 1500 2003-2006, Yukon XL 2500 2003-2006, Buick Rainier 2004-2004, Cadillac Escalade 2003-2006, Escalade ESV 2003-2006.
- Models Fitment 2: The throttle body assembly fits for Chevrolet Avalanche 1500 2003-2006, Express 1500 2007-2007, Express 2500 2004-2007, Express 3500 2004-2007, SSR 2003-2004, Silverado 1500 2003-2006, Silverado 1500 Classic 2007-2007, Silverado 1500 HD 2003 2005-2006, Silverado 1500 HD Classic 2007, Silverado 2500 2003-2004, Silverado 2500 HD 2003-2006, Tahoe 2003-2006, Trailblazer EXT 2003-2004, Isuzu NPR HD 2004-2007, NPR 2004-2007, Ascender 2003-2004.
- Replacement OE Number: 19420713, 12570800, 12679525, 217-2293, 977-307, 977-161. Nilight electronic throttle body assembly is manufactured to the same specifications as the original throttle body. Please check your Oe number before you order it.
- Heat-resistant Aluminum: Nilight throttle body features reinforced composite materials for corrosion and heat resistance. The redesigned electronic sensor improves on previous models, addressing common failure points due to excessive wear, ensuring reliable performance and durability.
- When to Replace: If you notice the electronic throttle warning light, experience difficulty starting the engine, or encounter stalling, hesitation, or power surging during acceleration, it may indicate an issue with the electronic throttle body.
- Buy with Confidence: The Automotive Throttle Body electronic throttle body is crafted to meet OE specifications and undergoes stringent testing to ensure quality and reliability. If you have any questions about our throttle, please don't hesitate to contact us. Your satisfaction is our top priority, and we are here to assist you promptly.
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Featrure

Electronically Butterfly Valve
Precisely adjusts the intake air volume

Mounting Point
Great opening, easy to install

Throttle Operating Motor
High operating efficiency and stability

6-pin Electrical Connector
OE design, easy to install
Fitment
| GMC Envoy | Envoy XL 2003-2004 / Envoy XUV 2004 |
| GMC Savana | Savana 1500 2007 / Savana 2500/3500 2004-2007 |
| GMC Sierra 1500 (HD) | Sierra 1500 2003-2006 / Sierra 1500 Classic 2007 / Sierra 1500 HD 2003 2005-2006 / Sierra 1500 HD Classic 2007-2007 |
| GMC Sierra 2500 3500 | Sierra 2500 2003-2004 / Sierra 2500 HD 2003-2006 / Sierra 3500 2003-2006 |
| GMC Yukon | Yukon 2003-2006 / Yukon XL 1500 2003-2006 / Yukon XL 2500 2003-2006 |
| Chevrolet Express accessories | Express 1500 2007-2007 / Express 2500 2004-2007 / Express 3500 2004-2007 |
| Chevrolet Silverado 1500 (HD) | Silverado 1500 2003-2006 / Silverado 1500 Classic 2007-2007 / Silverado 1500 HD 2003 2005-2006 / Silverado 1500 HD Classic 2007 |
| Chevrolet Silverado 2500 (HD) | Silverado 2500 2003-2004 / Silverado 2500 HD 2003-2006 / Silverado 2500 HD Classic 2007-2007 |
| Chevrolet Silverado 3500 | Silverado 3500 2003-2006 / Silverado 3500 Classic 2007-2007 |
| Chevrolet Suburban | Suburban 1500 2003-2006 / Suburban 2500 2003-2006 |
| Cadillac Escalade | Escalade 2003-2006 Escalade ESV 2003-2006 Escalade EXT 2003-2006 |
| Hummer | Hummer H2 2003-2007 |
| Isuzu | Isuzu NPR 2004-2007 / NPR HD 2004-2007 / Ascender 2003-2004 |
| Buick | Buick Rainier 2004-2004 |
