A-Premium Electronic Throttle Body For 2011-2016 Chevy Silverado HD & GMC Sierra HD 6.6L - Replacement #12634263

If your Chevy or GMC heavy-duty truck is having throttle issues, this A-Premium electronic throttle body could be the fix. It’s made to replace part numbers like 12634263, 12678311, and others, and fits 2011-2016 Chevy Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD models with the 6.6L V8 engine. This is a 6-pin, all-aluminum housing unit that comes with the throttle position sensor already included (no gasket though, so check if you need one). It’s built to original specs to help optimize engine performance and can even improve fuel efficiency. Installation is pretty straightforward, but keep in mind you might need to do a relearn procedure with a scan tool afterward. Backed by a solid one-year unlimited-mileage warranty, it’s a reliable aftermarket option to get your truck running smoothly again. Just double-check your model year and engine before ordering!