2025 Jeep Gladiator transmission fluid capacity and fluid specs
GarageDex's fluid data shows the 2025 Jeep Gladiator uses the 8HP50 automatic transmission, which holds 9.5 quarts of fluid as a total fill.
Shop transmission fluid Match the specification on the bottle to your manual
Key takeaways
- Transmission: 8HP50 automatic transmission, 9.5 qt total fill.
- Total fill is the whole system; a drain-and-refill takes a third to half.
- Brake fluid grade: read it off the reservoir cap.
- Fluid specification is not named by the source - use the owner's manual.
| Engine | Transmission | Total fill | Fluid spec | Brake fluid | Gear oil |
|---|---|---|---|---|---|
| 3.6L 6-cyl | 8HP50 automatic | 9.5 qt | per owner's manual | see reservoir cap | rear GL-5 75W-85 1.6 qt front GL-5 75W-85 1.05 qt transfer case 1.7 qt |
Fluids for the 2025 Jeep Gladiator
Buy fluid that states the specification your manual names. Multi-vehicle fluids list the specs they meet on the back label - if yours is not listed, it is the wrong bottle.
Transmission fluidYou need about 10 quarts for a full fillShop fluid DOT 3 or DOT 4 brake fluidA quart covers a full flushShop brake fluid Fluid transfer pumpMost modern transmissions have no dipstick tube - you fill from belowShop pumps
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Other 2025 Jeep Gladiator specs
Other Gladiator years
Source: AMSOIL Auto & Light Truck lookup. Capacities are total system fills; a drain-and-refill takes less. Where no fluid specification is shown, the source lists only a catalog code, so use the specification printed in your owner's manual - the wrong transmission fluid damages a transmission.