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68477878AC Genuine Mopar ABS Control Module For Ram 2500 3500 6.4L 6.7L

P/N: 68477878AC Manufactured by: Mopar
Original price $575.00 - Original price $575.00
Original price
$575.00
$575.00 - $575.00
Current price $575.00
1 in Stock
Condition: New
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Description

The 68477878AC is a genuine Mopar anti-lock brake system control module for select 2019–2022 Ram 2500 and 3500 trucks with 6.4L V8 gasoline or 6.7L inline-six diesel engines. It uses wheel speed sensor input to manage ABS operation, allowing the braking system to adjust hydraulic pressure when a wheel approaches lockup.

Vehicle Compatibility

Year Vehicle Engine Trims
2019 Ram 2500 6.4L V8 Gas, 6.7L L6 Diesel Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, Power Wagon, Tradesman
2019 Ram 3500 6.4L V8 Gas, 6.7L L6 Diesel Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, SLT, Tradesman
2020 Ram 2500 6.4L V8 Gas, 6.7L L6 Diesel Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, Power Wagon, Tradesman
2020 Ram 3500 6.4L V8 Gas, 6.7L L6 Diesel Laramie, Laramie Longhorn, Limited, SLT, Tradesman
2021 Ram 2500 6.4L V8 Gas, 6.7L L6 Diesel Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, Power Wagon, Tradesman
2021 Ram 3500 6.4L V8 Gas, 6.7L L6 Diesel Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, SLT, Tradesman
2022 Ram 2500 6.4L V8 Gas, 6.7L L6 Diesel Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, Power Wagon, Tradesman
2022 Ram 3500 6.4L V8 Gas, 6.7L L6 Diesel Big Horn, Laramie, Limited, Limited Longhorn, Lone Star, Tradesman


General Specifications

Condition New
Part Number 68477878AC
Brand Mopar
Part Type Anti-Lock Brake System Module
Years 2019–2022
Vehicle Ram 2500, Ram 3500
Engine Compatibility 6.4L V8 Gas, 6.7L L6 Diesel
Brake System Anti-Lock Braking System (ABS)
Module Function Electronic ABS Control
Drive Configuration 4x2, 4x4
Chassis Cab Configuration Regular Cab, Crew Cab
Cab-to-Axle Length 60 in, 84 in
Dimensions 8.1 × 6.4 × 3.0 in
Weight 1.74 lbs


Product Features

The 68477878AC ABS control module is built for the original electronic brake system and factory installation requirements of specified Ram 2500 and 3500 configurations:

  • Processes rotational speed data supplied by the vehicle's wheel sensors
  • Recognizes braking conditions that may cause individual wheels to lock
  • Commands appropriate brake pressure adjustments during ABS operation
  • Maintains the intended interface with factory electronic brake components
  • Designed to connect with the corresponding original ABS wiring harness
  • Suitable for designated 4x2 and 4x4 heavy-duty truck applications
  • Accommodates specified chassis cab layouts and engine combinations

Application Notes

The 68477878AC is intended for select 2019–2022 Ram 2500 and 3500 trucks equipped with compatible factory ABS electronics and either a 6.4L V8 gasoline or 6.7L L6 diesel engine. Listed applications cover specific 4x2 and 4x4 configurations, including regular cab and crew cab chassis models with 60-inch or 84-inch cab-to-axle lengths.

Always match the vehicle VIN, existing ABS module identification, chassis equipment, and required electronic programming before installation.

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