Electronic Throttle Body Fit for 2006-2008 GM V8 Vehicles - Durable
Electronic Throttle Body Fit for 2006-2008 GM V8 Vehicles - Durable
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In this review the focus is on a direct replacement electronic throttle body that fits a wide range of GM V8 vehicles from 2006 to 2008. The bottom line: this part is for owners who need a like-for-like throttle body replacement that restores engine air control and eliminates electronic throttle control faults. Our review finds it delivers solid fitment across Chevrolet, GMC, Cadillac, Hummer, Saab and Buick applications and offers a practical alternative to a dealer unit when the throttle control light, stalling, or hesitation indicates a failed module.
Key Features
- Vehicle Coverage: Fits many Chevrolet, GMC and Cadillac V8 models from 2006-2008, making it convenient for owners of Silverado, Suburban, Tahoe, Sierra and Express vans.
- OE Replacement Numbers: Directly replaces common OE numbers such as 12580760 and 12679524, helping ensure compatibility with factory systems.
- Reinforced Construction: Built from reinforced materials to resist corrosion and heat for longer service life compared with worn original units.
- Redesigned Electronics: The internal electronic sensor design addresses wear-related failures that commonly cause driveability issues.
- Restores Engine Control: Regulates air into the engine for improved idle control and drivability when the original throttle body fails.
- Warranty: Includes a one-year warranty for added confidence after installation.
Who It's For
This throttle body is aimed at DIY mechanics and independent shops repairing 2006-2008 GM V8 trucks, SUVs and vans that require a like-for-like replacement. It is especially useful for owners seeing an electronic throttle control warning light, experiencing stalling, failure to start, or hesitation and surging under acceleration.
It is less appropriate for vehicles outside the listed fitment or for buyers who prefer OEM dealer parts with specific dealership service support. Verify the confirmed fit for a specific model before ordering to avoid compatibility issues.
Pros & Cons
Pros
- Good direct fit for many GM V8 applications, reducing installation time and adjustments.
- Improved internal sensor design that addresses common wear points of older units.
- Reinforced materials resist corrosion and heat, helping durability in underhood conditions.
- Includes a one-year warranty, offering basic post-purchase protection.
Cons
- Some user reports indicate occasional early failures, so longevity can vary by use and installation.
- Not an original dealer unit, which may concern buyers who want OEM sourcing or extended dealer support.
Specifications
| Brand | Marsram |
| Applications | Chevrolet, GMC, Cadillac, Hummer, Saab, Buick V8 models 2006-2008 |
| Engine Sizes | 4.8L, 5.3L, 6.0L, 6.2L where listed |
| Replaces OE | 12580760, 12679524, 217-2422, 12572658 |
| Includes | 1 electronic throttle body assembly |
| Construction | Reinforced material for corrosion and heat resistance |
| Warranty | 1-Year Warranty |
Our Verdict
This electronic throttle body is a practical, value-minded replacement for owners of compatible 2006-2008 GM V8 vehicles who need to resolve throttle control faults and restore drivability. It offers broad fitment, reinforced construction and a redesigned sensor at a lower cost than dealer alternatives, though longevity can vary; confirm fitment and expect typical DIY installation effort.
Frequently Asked Questions
Will this fit my 2007 Silverado 1500?
Yes, the part lists fitment for 2007-2008 Silverado 1500 with 4.8L, 5.3L and 6.0L engines; check the confirmed fit for your exact configuration.
What symptoms indicate the throttle body needs replacement?
If the electronic throttle control light is on, the engine stalls, fails to start, hesitates or surges on acceleration, the throttle body may be failing.
Does the package include sensors or additional parts?
The package includes one electronic throttle body assembly; replacement of throttle position sensor or IAC is a separate consideration as needed.
Editor's Take
A practical replacement for compatible 2006-2008 GM V8 vehicles that restores throttle control and drivability with reinforced construction and a redesigned sensor, offering good value though longevity can vary.

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