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2019–2025 DT (5th generation)

2019–2025 Ram 1500 Fluid Types and Capacities

Which transmission fluid, coolant, and brake fluid the 2019–2025 Ram 1500 takes, with capacities and the specifications each one has to meet. Transmission: ZF-based TorqueFlite 8-speed (8HP75/8HP75-LCV, 870RE on TRX): Mopar ZF 8&9 Speed ATF (68218925AB), sealed, no dipstick, level set by temperature/overflow procedure. No scheduled change in normal service; ~60,000 mi change is common practice for heavy towing.. Coolant: Mopar OAT coolant (MS.90032); 10-yr/150k first change, then every 5 yr. eTorque and Hurricane trucks have additional low-temp cooling loops, bleed per service info..

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2019–2025 Ram 1500 fluid guide

Check your manual
SystemFluid type & capacity
CoolantMopar OAT coolant (MS.90032); 10-yr/150k first change, then every 5 yr. eTorque and Hurricane trucks have additional low-temp cooling loops, bleed per service info.
TransmissionZF-based TorqueFlite 8-speed (8HP75/8HP75-LCV, 870RE on TRX): Mopar ZF 8&9 Speed ATF (68218925AB), sealed, no dipstick, level set by temperature/overflow procedure. No scheduled change in normal service; ~60,000 mi change is common practice for heavy towing.
Brake fluidDOT 4 brake fluid (check the reservoir cap label; flush every 2–3 years is good practice)
Power steeringNone (electric power steering)
DifferentialRear axle synthetic 75W-85 GL-5 (75W-140 for heavy towing per tag); front axle 75W-85 GL-5
Transfer case4x4: Mopar transfer case fluid/ATF+4 per unit tag

Plain washer fluid; no special spec

Which Ram 1500 model years does this cover?

These fluids 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.

2019 15002020 15002021 15002022 15002023 15002024 15002025 1500

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 fluids: common questions

What transmission fluid does a 2019–2025 Ram 1500 take?

ZF-based TorqueFlite 8-speed (8HP75/8HP75-LCV, 870RE on TRX): Mopar ZF 8&9 Speed ATF (68218925AB), sealed, no dipstick, level set by temperature/overflow procedure. No scheduled change in normal service; ~60,000 mi change is common practice for heavy towing.. Transmission fluid specifications are not interchangeable. Friction modifiers differ between them, and the wrong fluid causes shudder long before it causes failure.

What coolant does a 2019–2025 Ram 1500 use?

Mopar OAT coolant (MS.90032); 10-yr/150k first change, then every 5 yr. eTorque and Hurricane trucks have additional low-temp cooling loops, bleed per service info..

What brake fluid does a 2019–2025 Ram 1500 take?

DOT 4 brake fluid (check the reservoir cap label; flush every 2–3 years is good practice).

What differential fluid does a 2019–2025 Ram 1500 take?

Rear axle synthetic 75W-85 GL-5 (75W-140 for heavy towing per tag); front axle 75W-85 GL-5.

Sources

Other Ram 1500 generations

2012–2018 fluidsCompare all generations

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