---
title: "2019-2025 Ram 1500 Transmission Fluid & Coolant"
description: "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.."
url: "https://whichcarparts.com/cars/ram/1500/2019-2025/fluids"
updated: "2026-08-20"
---

# 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..

## 2019-2025 Ram 1500 fluid guide (Check your manual)

| System | Fluid type & capacity |
| --- | --- |
| 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. |
| 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. |
| Brake fluid | DOT 4 brake fluid (check the reservoir cap label; flush every 2-3 years is good practice) |
| Power steering | None (electric power steering) |
| Differential | Rear axle synthetic 75W-85 GL-5 (75W-140 for heavy towing per tag); front axle 75W-85 GL-5 |
| Transfer case | 4x4: Mopar transfer case fluid/ATF+4 per unit tag |

Note: 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.

- [2019 1500](https://whichcarparts.com/cars/ram/1500/2019)
- [2020 1500](https://whichcarparts.com/cars/ram/1500/2020)
- [2021 1500](https://whichcarparts.com/cars/ram/1500/2021)
- [2022 1500](https://whichcarparts.com/cars/ram/1500/2022)
- [2023 1500](https://whichcarparts.com/cars/ram/1500/2023)
- [2024 1500](https://whichcarparts.com/cars/ram/1500/2024)
- [2025 1500](https://whichcarparts.com/cars/ram/1500/2025)

## What changed during the 2019-2025 Ram 1500

| Years | What changed |
| --- | --- |
| 2019 | DT 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 |
| 2020 | Gen-3 3.0L EcoDiesel (260 hp/480 lb-ft) added |
| 2021 | TRX (702-hp supercharged 6.2L) added; Limited Longhorn and TRX-inspired styling packages expand |
| 2023 | EcoDiesel discontinued (last trucks built January 2023) |
| 2024 | Final year for TRX and for the 1500 Classic (DS) |
| 2025 | Mid-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

- [FCA media, 2021 Ram 1500 TRX specifications](https://s3.amazonaws.com/chryslermedia.iconicweb.com/mediasite/specs/2021_RAM_1500_TRX_Specificationsncds40e91jnt64taolkbbpi9eq.pdf)
- [NHTSA recall 22V-904, tailgate striker (Part 573 report, FCA ZB8)](https://static.nhtsa.gov/odi/rcl/2022/RCLRPT-22V904-2829.PDF)
- [FCA Safety Recall V17 / NHTSA 19V-142, 48-volt ground cable fastener (oemdtc)](https://chrysler.oemdtc.com/1318/safety-recall-v17-nhtsa-19v-142-48-volt-ground-cable-fastener-2019-ram-1500/)
- [Diesel Hub, 3.0L EcoDiesel oil change guide (gen-3: 8.5 qt, 68507598AA)](https://www.dieselhub.com/maintenance/ecodiesel-oil-change-guide.html)
- [fueleconomy.gov, 2022 Ram 1500 EPA ratings](https://www.fueleconomy.gov/feg/bymodel/2022_Ram_1500.shtml)
- [fueleconomy.gov, 2025 Ram 1500 EPA ratings (Hurricane SO/HO)](https://www.fueleconomy.gov/feg/bymodel/2025_Ram_1500.shtml)
- [SD Wheel, 5th-gen Ram 1500 fitment guide (6x139.7, 130 ft-lb)](https://www.sdwheel.com/blogs/1278/5th-gen-ram-fitment-guide)
- [Mopar eStore, 68414387AA DT engine air filter](https://www.moparoriginalparts.com/part-ymm/2024-ram-1500-dt-engine-air-filter.html)
- [Mopar eStore, 53011248AB TRX 6.2L air filter](https://store.mopar.com/oem-parts/mopar-air-filter-53011248ab)
- [Mopar eStore, 68683357AA Hurricane HO oil filter (supersedes 68466307AB)](https://store.mopar.com/oem-parts/mopar-engine-oil-filter-68683357aa)
- [Interstate Batteries, Ram 1500 H7/94R fitment](https://www.interstatebatteries.com/vehicle/dodge/dodge-ram-1500)
- [Mopar owner info, oil life reset procedure (accelerator method)](https://vehicleinfo.mopar.com/assets/publications/en-us/Ram/2022/2500_3500/om_html/GUID-129DF5D9-F994-45FC-9B5E-504D7FE75BC6.html)
- [Blauparts, Ram 1500 TRX 0W-40 (MS-12633) oil change kit](https://www.blauparts.com/ram-1500-trx-oil-change-kit-62l-v8-0w40-ravenol.html)

## Other Ram 1500 generations

- [2012-2018 Ram 1500 fluids](https://whichcarparts.com/cars/ram/1500/2012-2018/fluids)

Or [compare all generations](https://whichcarparts.com/cars/ram/1500/fluids).

## More for the 2019-2025 Ram 1500

- [Oil & filter](https://whichcarparts.com/cars/ram/1500/2019-2025/oil)
- [Battery](https://whichcarparts.com/cars/ram/1500/2019-2025/battery)
- [Tires & wheels](https://whichcarparts.com/cars/ram/1500/2019-2025/tires)
- [Wiper blades](https://whichcarparts.com/cars/ram/1500/2019-2025/wipers)
- [Air & cabin filters](https://whichcarparts.com/cars/ram/1500/2019-2025/filters)
- [Bulbs](https://whichcarparts.com/cars/ram/1500/2019-2025/bulbs)
- [Brakes](https://whichcarparts.com/cars/ram/1500/2019-2025/brakes)
- [Service schedule](https://whichcarparts.com/cars/ram/1500/2019-2025/service-schedule)
- [Problems & reliability](https://whichcarparts.com/cars/ram/1500/2019-2025/common-problems)
- [Oil light reset](https://whichcarparts.com/cars/ram/1500/2019-2025/oil-reset)
- [Key fob battery](https://whichcarparts.com/cars/ram/1500/2019-2025/key-fob-battery)
- [Specs](https://whichcarparts.com/cars/ram/1500/2019-2025/specs)

Specifications vary with engine option, production date, and market.