GMC Sierra 3500 HD Engine Switches
Engine switches for the GMC Sierra 3500 HD cover the 2007–2020 model years, with options that include oil pressure switches and engine brake switches. Pick your GMC Sierra 3500 HD's year above to narrow the list to engine switches with confirmed fitment. Every part shown is checked against our vehicle data.
BD Diesel 1030900 Rocker Switch Kit for Exhaust Brake 5/8" Manual Transmission Shift Lever
BD Diesel 1030910 Rocker Switch Kit for 3/4" Manual Transmission Shift Lever
What's here for your GMC Sierra 3500 HD
- Engine Oil Pressure Switches
- Engine Brake Switches
The widest selection here comes from BD Diesel, Standard Motor Products, Holstein, and GPD, offering a range of switch styles and kit configurations to match different positions and fitment needs across the 2007–2020 Sierra 3500 HD lineup. Other categories GMC Sierra 3500 HD owners shop for: GMC Sierra 3500 HD Springs and Suspension Parts, GMC Sierra 3500 HD Air and Fuel Filters and GMC Sierra 3500 HD Shocks and Struts, or browse all GMC Sierra 3500 HD parts and accessories.