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GMC C3500 Transmission Switches

This page brings together transmission switches for the GMC C3500, covering model years 1979–2000. The range includes automatic transmission lock-up torque converter control switches, temperature switches, and kickdown solenoid switches, available as individual components and as kits. Choose your model year above and this page keeps only the transmission switches that fit your GMC C3500. Each listing is matched to our vehicle fitment data before it appears here.

1 - 6 of 6 results

Best Seller Free Shipping
Picture of Flowmaster 17220 Turbo Downpipe and Crossover Kit

Flowmaster 17220 Turbo Downpipe and Crossover Kit

84 reviews
Part: 17220
Vehicle Specific
$265.95
In Stock (10+)
Picture for manufacturer Flowmaster
Best Seller Free Shipping
Picture of B&M 70244 Converter Lockup Controller with Manual Override

B&M 70244 Converter Lockup Controller with Manual Override

6 reviews
Part: 70244
Vehicle Specific
$363.95
In Stock (10+)
Picture for manufacturer B&M
Best Seller Free Shipping
Picture of B&M 20297 Kickdown Switch Kit For TH400 Transmission

B&M 20297 Kickdown Switch Kit For TH400 Transmission

53 reviews
Part: 20297
Vehicle Specific
$103.95
In Stock (10+)
Picture for manufacturer B&M
Free Shipping
Picture of BD Diesel 1030398 Torq/UnLoc Torque Converter Lockup Control Kit

BD Diesel 1030398 Torq/UnLoc Torque Converter Lockup Control Kit

58 reviews
Part: 1030398
Vehicle Specific
$446.95
Ships from manufacturer
Picture for manufacturer BD Diesel
Free Shipping
Picture of B&M 70248 Converter Lockup Controller with Manual Override

B&M 70248 Converter Lockup Controller with Manual Override

7 reviews
Part: 70248
Vehicle Specific
$389.95
In Stock (10+)
Picture for manufacturer B&M
Free Shipping
Picture of B&M 80217 Torque Converter Lockup Switch for TH700R4 TH200R4 Transmissions

B&M 80217 Torque Converter Lockup Switch for TH700R4 TH200R4 Transmissions

12 reviews
Part: 80217
Vehicle Specific
$116.95
4 left at this price
Picture for manufacturer B&M

What's here for your GMC C3500

  • Automatic Transmission Lock-Up Torque Converter Control switches
  • Automatic Transmission Temperature switches
  • Automatic Transmission Kickdown Solenoid switches

The widest selection here comes from B&M, Keystone, Inovative Creations, and BD Diesel, offering a broad range of switch types and kit configurations for GMC C3500 transmissions across the 1979–2000 model years. Other categories GMC C3500 owners shop for: GMC C3500 Coolant Hoses and Pipes, GMC C3500 Exterior Lights and GMC C3500 Springs and Suspension Parts, or browse all GMC C3500 parts and accessories.