Carlson 7839 Disc Brake Caliper Piston - Rear

Brand Carlson 7839
Position Rear
Fits Dodge · 18 vehicles

Caliper piston. Uses brake fluid pressure to press the pads against the rotor.

Brake system component. Vital hardware for coordinated braking performance.

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Carlson 7839 Rear Disc Brake Caliper Piston

The Carlson 7839 disc brake caliper piston is a rear brake hydraulics component for select Dodge Ram applications. It uses brake fluid pressure to move the caliper piston and press the brake pads against the rotor, helping the braking system stop the vehicle with consistent hydraulic action.

  • Rear disc brake caliper piston for brake hydraulics service
  • Fits 2001-2008 Dodge Ram 2500, rear
  • Fits 2002 Dodge Ram 2500, rear with Disc Brake Caliper Pin Boot Kit - Part Number D702
  • Fits 2003-2008 Dodge Ram 2500, rear
  • Fits 2003-2004 Dodge Ram 3500, rear with single rear wheels and D1077
  • Fits 2005-2008 Dodge Ram 3500, rear with single rear wheels and D1077
  • Fits 2006-2008 Dodge Ram 1500, rear

Built for rear disc brake service on Dodge Ram 1500, Dodge Ram 2500, and Dodge Ram 3500 trucks, this caliper piston is used in the hydraulic side of the braking system where fluid pressure is converted into clamping force at the rotor. The Carlson 7839 is a direct-fit brake hydraulics part for vehicles listed in the fitment data and is commonly searched as a rear disc brake caliper piston for Dodge Ram 2500 rear brake repair and Dodge Ram 3500 rear brake service.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Brake Issues It Can Address

  • Brake piston wear or corrosion in the rear caliper
  • Uneven pad contact at the rotor
  • Hydraulic sealing problems inside the caliper assembly
  • Reduced braking response caused by a damaged piston surface
  • Rear brake service needs on Dodge Ram 1500, Ram 2500, or Ram 3500 trucks

Installation Notes and Tips

Confirm rear axle and brake configuration before ordering, especially on Ram 3500 models with single rear wheels and D1077. Inspect the caliper bore, seals, pads, and rotor condition during service, and verify that the piston surface is clean and free of scoring before assembly. Match the part to the exact year, model, and rear brake application shown in the fitment list for proper installation.

Quality Assurance

Carlson designs brake components as part of a complete braking system, with the caliper piston serving a critical hydraulic function in rear disc brake operation. Part number 7839 is listed for the specific Dodge Ram rear applications shown above.

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypePositionNotes
2008DodgeRam 1500Extended Crew Cab PickupRearCompatible with disc brakes for the dampening of low frequency noise.
2008DodgeRam 2500RearCompatible with disc brakes for the dampening of low frequency noise.
2008DodgeRam 3500RearFits single rear wheels with D1077.
2007DodgeRam 1500Extended Crew Cab PickupRearCompatible with disc brakes for the dampening of low frequency noise.
2007DodgeRam 2500RearCompatible with disc brakes for the dampening of low frequency noise.
2007DodgeRam 3500RearFits single rear wheels with D1077.
2006DodgeRam 1500SLTExtended Crew Cab PickupRearCompatible with disc brakes for the dampening of low frequency noise.
2006DodgeRam 1500LaramieExtended Crew Cab PickupRearCompatible with disc brakes for the dampening of low frequency noise.
2006DodgeRam 2500RearCompatible with disc brakes for the dampening of low frequency noise.
2006DodgeRam 3500RearFits single rear wheels with D1077.
2005DodgeRam 2500RearCompatible with disc brakes for the dampening of low frequency noise.
2005DodgeRam 3500RearFits single rear wheels with D1077.
2004DodgeRam 2500RearCompatible with disc brakes for the dampening of low frequency noise.
2004DodgeRam 3500RearFitment Note: Compatible with vehicles equipped with single rear wheels and featuring D1077.
2003DodgeRam 2500RearCompatible with disc brakes for the dampening of low frequency noise.
2003DodgeRam 3500RearFitment Note: Compatible with vehicles equipped with single rear wheels and featuring D1077.
2002DodgeRam 2500RearDisc Brake Caliper Pin Boot Kit - Part Number D702
2001DodgeRam 2500RearD1096