Overview
The G2 Axle and Gear Brute cover (part 40-2033MB) is a cast aluminum differential cover for traditional Dana 44 rear axles. It holds 2 to 2.5 quarts of fluid and has a ball-milled black finish.
The cover protects the ring and pinion and helps cool the gear oil. It is made from heat treated aluminum and shot peened to withstand direct hits. The seal surface is fully machined and uses an O-ring for a leak-free installation.
Key features
- Cast from lightweight aluminum to dissipate heat
- Ball-milled black finish
- Heat treated and shot peened to handle direct impact
- Fully machined seal surface with an O-ring
- Magnetic dipstick and drain plug that isolate foreign debris from moving parts
Gear oil and axle maintenance
A differential cover is the access point for the gear oil in the axle housing. Check the fluid level with the dipstick at intervals suited to your driving, and watch for signs of leaks at the cover gasket or seal. Change the gear oil when it looks dark or smells burnt, using the capacity range that fits your axle.
Magnetic parts help catch metal particles from the ring and pinion. Clean the magnets when you drain the oil and check them for fine debris, since a heavy buildup can point to wear in the gears or bearings. Replace the fluid after any major repair.
Dana 44 axles often run hard off road, so keep the axle breather and vent clear of mud. Check the cover bolts and seal periodically, especially after rocks or water crossings. Use a torque value suited to your axle when reinstalling the cover.
- Check fluid level regularly
- Clean the magnetic drain plug and dipstick
- Inspect the seal after water crossings
Specifications
| Brand | G2 Axle and Gear |
|---|---|
| Part number | 40-2033MB |
| UPC | 631410129465 |
| Material | Aluminum, heat treated |
| Finish | Ball-milled black |
| Fluid capacity | 2 to 2.5 quarts |
| Seal | Fully machined surface with O-ring |
| Dipstick | Magnetic |
| Drain plug | Magnetic |
| Application | Traditional Dana 44 rear axles |
| Fitment | Universal fit (as listed), with the exclusions below |
Vehicle fitment
It is for traditional Dana 44 rear axles. It does not fit Jeep JK front axles, CORE 44 housings or 03–06 Rubicon models.
Confirm your vehicle’s year, model and trim before ordering.
What’s included
The aluminum differential cover with magnetic dipstick and magnetic drain plug.






















