2003 GMC Sierra Transmission Controllers
Select Your Submodel
- Bully Dog®OutLook™ GaugeGMC Sierra 6.6L 2003, OutLook™ Gauge by Bully Dog®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...$375.63
- Bully Dog®Super Agressive Shift Enhancer KitGMC Sierra 6.6L 2003, Super Agressive Shift Enhancer Kit by Bully Dog®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...High quality at an affordable priceExpertly made from premium materials$106.07
- ATS Diesel Performance®Co-Pilot™ Look-Up Transmission Controller KitGMC Sierra 2003, Co-Pilot™ Look-Up Transmission Controller Kit by ATS Diesel Performance®. Converting your GM Duramax with the Allison transmission from a 5 speed to a 6 speed will lower rpms going down the highway and will allow for...$617.50 - $1,317.18
- ATI Performance®PCS Simple Shift™ Transmission ControllerGMC Sierra 2003, PCS Simple Shift™ Transmission Controller by ATI Performance®. Simple Shift is the latest breakthrough in electronic overdrive transmission control. No laptops or hand-held tuning devices are required to completely...$179.49 - $941.26
- ATI Performance®PCS Simple Shift™ Transmission HarnessGMC Sierra 2003, PCS Simple Shift™ Transmission Harness by ATI Performance®. Simple Shift is the latest breakthrough in electronic overdrive transmission control. No laptops or hand-held tuning devices are required to completely...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$179.49
- ATI Performance®PCS™ Automatic Transmission ControllerGMC Sierra 2003, PCS™ Automatic Transmission Controller by ATI Performance®. The Powertrain Control Solutions, LLC. Universal Automatic Transmission Controller is a fully programmable transmission control system. Through a friendly PC...Upshift/Downshift button capability (Paddle shifting and Button shifting)Selectable shifting modes (ex. Power, towing, economy)$226.26 - $1,086.29
- ATI Performance®PCS™ Transmission HarnessGMC Sierra 4-Speed 4L80-E Transmission 2003, PCS™ Transmission Harness by ATI Performance®. Designed utilizing the latest technology, this product by ATI Performance features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$226.26
- Accel®SuperTuner™ TunerGMC Sierra 2003, SuperTuner™ Tuner by Accel®. ACCEL's all-new SuperTuners boost power across your engine's entire rpm range. These revolutionary handheld tuners quickly and easily reprogram your vehicle for better all-around...$369.95
- Fast®TCI EZ-TCU™ Overdrive Transmission Controller KitGMC Sierra 2003, TCI EZ-TCU™ Overdrive Transmission Controller Kit by Fast®. Includes: Trans Control Unit, Hand-Held Display, OEM-Quality Wiring Harness. Easy Electronic Overdrive Transmission Control for computer controlled...$765.95
- MSD®Atomic™ Transmission ControllerGMC Sierra 2003, Atomic™ Transmission Controller by MSD®. There is no reason to settle on just three gears or the kickdown linkage of an automatic transmission with the number of electronically controlled four speed automatics that...$869.95
- Superchips®Dashpaq+™ Programmer KitGMC Sierra 2003, Dashpaq+™ Programmer Kit by Superchips®. Power and cutting-edge features are now available at your fingertips for your vehicle with the Dashpaq+. Take your vehicle to the next level with impressive pre-loaded tunes....$596.95 - $649.95
- Superchips®Dashpaq™ Tuner KitGMC Sierra 2003, Dashpaq™ Tuner Kit by Superchips®. This dual purpose product delivers big power and also provides an in-cab monitor to keep an eye on critical engine parameters like coolant temp, transmission temp, battery voltage...$578.95 - $642.95
Popular Products
2003 GMC Sierra Models
Related Searches