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84739937 Genuine GM Rear Parking Brake Actuator For Silverado Sierra HD

P/N: 84739937 Manufactured by: GM
Original price $399.00 - Original price $399.00
Original price
$399.00
$399.00 - $399.00
Current price $399.00
2 in Stock
Condition: New
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Description

The 84739937 is a genuine GM rear parking brake actuator kit for specified 2020–2024 Chevrolet Silverado HD and GMC Sierra HD trucks. It controls engagement and release of the rear parking brake through the vehicle’s factory brake system.

Vehicle Compatibility

Year Vehicle Engine Trims
2026 GMC Sierra 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas AT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT
2025 Chevrolet Silverado 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas Custom, High Country, LT, LTZ, WT, ZR2
2025 Chevrolet Silverado 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas High Country, LT, LTZ, WT
2025 GMC Sierra 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas AT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT
2025 GMC Sierra 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas AT4, Denali, Denali Ultimate, Pro, SLE, SLT
2024 Chevrolet Silverado 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas Custom, High Country, LT, LTZ, WT, ZR2
2024 Chevrolet Silverado 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas High Country, LT, LTZ, WT
2024 GMC Sierra 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas AT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT
2024 GMC Sierra 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas AT4, Denali, Denali Ultimate, Pro, SLE, SLT
2023 Chevrolet Silverado 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas Custom, High Country, LT, LTZ, WT
2023 Chevrolet Silverado 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas High Country, LT, LTZ, WT
2023 GMC Sierra 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas AT4, Denali, Pro, SLE, SLT
2023 GMC Sierra 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas AT4, Denali, Pro, SLE, SLT
2022 Chevrolet Silverado 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas Custom, High Country, LT, LTZ, WT
2022 Chevrolet Silverado 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas High Country, LT, LTZ, WT
2022 GMC Sierra 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas AT4, Denali, Pro, SLE, SLT
2022 GMC Sierra 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas AT4, Denali, Pro, SLE, SLT
2021 Chevrolet Silverado 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas Custom, High Country, LT, LTZ, WT
2021 Chevrolet Silverado 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas High Country, LT, LTZ, WT
2021 GMC Sierra 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas AT4, Base, Denali, SLE, SLT
2021 GMC Sierra 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas AT4, Base, Denali, SLE, SLT
2020 Chevrolet Silverado 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Gas Custom, High Country, LT, LTZ, WT
2020 Chevrolet Silverado 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Gas High Country, LT, LTZ, WT
2020 GMC Sierra 2500 HD 6.6L V8 - Diesel, 6.6L V8 - Gas AT4, Base, Denali, SLE, SLT
2020 GMC Sierra 3500 HD 6.6L V8 - Diesel, 6.6L V8 - Gas AT4, Base, Denali, SLE, SLT


General Specifications

Condition New
Part Number 84739937
Brand GM
Part Type Rear Parking Brake Actuator Kit
Years 2020–2026
Vehicle Chevrolet Silverado, GMC Sierra
Vehicle Series 2500 HD, 3500 HD
Position Rear
Brake System Function Parking Brake Actuation
Rear Wheel Configuration Single Rear Wheel, Dual Rear Wheel
System Application Parking Brake System
Fitment Type Direct Replacement


Product Features

The 84739937 rear parking brake actuator kit is manufactured to GM factory specifications for parking brake operation:

  • Provides mechanical actuation required to engage and disengage the rear parking brake
  • Functions within the original parking brake system used on compatible Silverado HD and Sierra HD trucks
  • Configured for specified Chevrolet Silverado 2500 HD and 3500 HD and GMC Sierra 2500 HD and 3500 HD applications
  • Supports applicable single rear wheel and dual rear wheel truck configurations
  • Mounts at the rear as part of the vehicle’s original parking brake arrangement
  • Designed to connect and operate with the corresponding factory brake components without altering the original system layout

Application Notes

The 84739937 rear parking brake actuator kit is intended for specified 2020–2024 Chevrolet Silverado HD and GMC Sierra HD configurations. Confirm the truck series, rear axle arrangement, wheel configuration, and installed parking brake system before installation.

Always verify part number, VIN, vehicle series, rear wheel configuration, brake system equipment, production details, and applicable factory options before installation.

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