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2019–2025 DT (5th generation)

2019–2025 Ram 1500 Brake Pad and Rotor Specifications

Brake pad references and rotor diameters for the 2019–2025 Ram 1500, front and rear. Front rotors measure 378 mm. Includes electronic parking brake service notes where they apply.

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2019–2025 Ram 1500 brake specifications

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SpecValue
Front rotor diameter378 mm
Rear rotor diameter375 mm

14.9-in vented front / 14.8-in rear, much larger than DS. Electric parking brake: put the rear calipers in service mode (or use a scan tool) before retracting pistons for pad changes.

Which Ram 1500 model years does this cover?

These brakes specifications apply to every Ram 1500 built from 2019 through 2025 — the DT (5th generation), full-size half-ton pickup (quad, crew cab). Nothing in this specification changes between those model years. Pick your year for the engines it offered, what changed that year, and the problems recorded against it.

What changed during the 2019–2025 Ram 1500

  • 2019DT launch: eTorque 48V mild hybrid on 3.6L (std) and 5.7L (opt); wheels change to 6x139.7. DS 'Classic' (5-lug) sold alongside through 2024
  • 2020Gen-3 3.0L EcoDiesel (260 hp/480 lb-ft) added
  • 2021TRX (702-hp supercharged 6.2L) added; Limited Longhorn and TRX-inspired styling packages expand
  • 2023EcoDiesel discontinued (last trucks built January 2023)
  • 2024Final year for TRX and for the 1500 Classic (DS)
  • 2025Mid-cycle refresh: 5.7L HEMI dropped, 3.0L Hurricane SST I6 (SO 420 hp / HO 540 hp incl. RHO) replaces it; 3.6L eTorque continues as base; Tungsten flagship added. (HEMI returns for 2026 after customer backlash.)

2019–2025 Ram 1500 brakes: common questions

What size are the brake rotors on a 2019–2025 Ram 1500?

378 mm front and 375 mm rear. Measure before ordering if the vehicle may have a towing or performance brake package.

Anything special about servicing the brakes on a 2019–2025 Ram 1500?

14.9-in vented front / 14.8-in rear, much larger than DS. Electric parking brake: put the rear calipers in service mode (or use a scan tool) before retracting pistons for pad changes..

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