Jeep JK Dana 30 Front Differential Fluid Capacity & Specs
The Dana 30 is the standard front axle assembly found on all non-Rubicon Jeep Wrangler JKs (Sport, Sahara, and X models). Using the correct gear oil weight is essential for protecting the ring and pinion gears. View our full Jeep JK Master Maintenance Database for more specifications.
FSM Factory Fluid Specifications
| Specification | FSM Requirement |
|---|---|
| Dana 30 Fluid Capacity | 2.1 Pints (1.0 Liters) |
| Standard Fluid Type | 80W-90 API GL-5 Gear Oil |
| Heavy Duty / Towing Fluid Type | 75W-140 Synthetic Gear Oil |
FSM Installation Protocol & Warnings
⚠️ MAINTENANCE NOTE: Always remove the FILL plug before removing the DRAIN plug. If you remove the drain plug first and then discover the fill plug is seized, you will be unable to refill the differential, leaving the vehicle undrivable.