Overview
The G2 Axle and Gear 4.88 ring and pinion, part G/21-2050-488R, is for the front Dana 30 axle. Based on the product title and description, it fits Jeep Wrangler JL models from 2018 to 2026 and Wrangler JK models from 2007 to 2018.
The 4.88 ratio gives more torque multiplication at low speed than a 3.73 or 4.10 on the same axle, which suits drivers running larger tires off-road.
Key features
- Forged 8620 steel gears
- Precision-machined to OE specifications, aimed at a quiet running gear set
- Heat treated for durability
- Lapped mating surface for smoother operation
Front axle upkeep
The front Dana 30 gears work under steering and braking loads as well as drive torque, so the setup affects handling as much as traction. A ring and pinion with lapped surfaces runs smoothly, but it still depends on correct bearing preload and a clean housing. Regular fluid changes help the gear faces stay protected over time.
Owners who regear the front usually also check the axle shafts, the wheel bearings and the front driveline angle. Larger tires or a lift often put more work on those parts, so a quick inspection at install is worth the time. Keep the front axle free of mud and water where possible, and inspect the breather and seals after deep water runs.
- Inspect axle seals after deep water use
- Check front driveshaft angles after a lift or regear
- Keep the front fluid level correct at each service
Specifications
| Brand | G2 Axle and Gear |
|---|---|
| Part number | G/21-2050-488R |
| Axle location | Front |
| Axle type | Dana 30 |
| Gear ratio | 4.88 |
| Material | 8620 steel, forged |
| Surface | Lapped mating surface |
Vehicle fitment
Based on the product title and description, this front Dana 30 set is for 2018–2026 Jeep Wrangler JL and 2007–2018 Jeep Wrangler JK models.
Years outside 2007–2026 are not covered. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Front Dana 30 gears need pinion depth, backlash and carrier preload set with gauges before first use. A pattern check after the install confirms the mesh.
What’s included
One 4.88 ring and pinion gear set for the front Dana 30 axle.
Not included: the bearings, shims, pinion nut, crush sleeve and seals needed for the install.
