GM parts logo
GM Genuine Parts Black Trailer Brake Control Switch Assembly
OE

GM Genuine Parts Black Trailer Brake Control Switch Assembly

GM Part #84108373

ACDelco Part #84108373

MSRP$89.90*

GM Genuine Parts Trailer Brake Controls are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

About this product

GM Genuine Parts Trailer Brake Controls are designed, engineered, and tested to rigorous standards, and are backed by General Motors. the brake controls signal a trailer's brake system when the driver presses on the brake pedal and adjusts how much braking power is needed to stop the trailer. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies

MaterialABS Plastic
Width2.2 in / 55.86 mm
Length2.7 in / 66.53 mm
FinishSmooth
ClassificationOE
Solid State ConstructionYes
Two or Four Wheel Brake SystemFour
Hydraulic ConnectionsNo

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

The following should be conducted by a qualified technician:

  • Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
  • Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
  • Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
  • Check the thickness of your brake pads.
  • Inspection of the brake hoses for brittleness or cracking.
  • Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
  • Inspection of wheel bearings and grease seals.
  • Parking brake adjustments (as needed).

Troubleshooting Tips:

  • Brake pedal pulsation (not to be confused with normal ABS operation).
  • Vehicle pulls to the left or right when brakes are applied.

ModelBody StyleTrimYear(s)
ColoradoCrew Cab PickupLT, WT, Z712016, 2017, 2018, 2019, 2020, 2021, 2022
Silverado 15002014, 2015, 2016, 2017, 2018
Silverado 1500 LD2019
Silverado 2500 HD2015, 2016, 2017, 2018, 2019
Silverado 3500 HDCab & Chassis2015, 2016, 2017, 2018, 2019