Banks Power 2020-2023 GM 2500HD/3500HD Ram-Air Natural Rear Differential Cover

Banks Ram-Air^® Differential Cover is the best one on the market without question. Thanks to its superior fluid flow and aerodynamics, the Ram-Air^® Cover out-cools stock and flat-back high-capacity covers and does so with less lubricant. Extend your gear life, use less fluid, and save money between fluid changes with Banks.

Key Highlights

• New patented design features Ram-Air scoops for fastest cooling
  • Provides cold high velocity air, overcoming “dead air zone” behind differential
  • Scoops force air up and into massive heat radiation fins
  • Engineered to break-away if snagged on an obstacle
• Banks cools 5X better than flat-back covers in on-road towing tests over the same road, same weather, operator and vehicle
• Cools 118% better than flat-backs in 200hp 60mph sustained tests
• Dry-mount high-pressure silicone O-ring seal. No messy RTV clean!
• Internal fins transfer heat through the cover into the external fins
• Clears spare tire heat shield, Panhard bars and other components
• Does not sacrifice any ground clearance
• Limited Lifetime Warranty

Fluid Dynamics

• Axle tube lubricant guides directs lube to bearings w/o overfilling
• Cover mates flush with differential housing for smooth fluid flow
• Ring gear raceway controls fluid flow to the pinion and bearings
• Low fluid aeration means longer fluid life

Technical Specs

• Weight: 13.72 lbs
• External heat radiation fin count: 25
• Internal heat absorption fin count: 22
• Dimensions: 14.09 in X 13.74 in X 4.16 in
• External heat radiation fin surface area: 677.64 in2
• Internal heat absorption fin surface area: 117.26 in2
• External heat radiation total surface area: 897.94 in2
• Internal heat absorption total surface area: 229.70 in2
• Fasteners: 14 x stainless steel M8-1.25 flange hex bolts
• Material: A380 aluminum diecast with CNC machined surfaces
• Internal Volume: About 4.4 Qts (Check OEM Owners Manual)

Oil service

• Magnetic drain plug
• Magnetic fill port plug
• 20° fill port for easy access
• No need to remove cover to change fluid
• 1/2 in sight glass with contrast screen (visual aid) and Viton seal
• Banks recommends Amsoil 75W-90 Severe Gear Synthetic Gear Lube
• Fill level depends on model year: (About 4.4Qts Fill To OEM Level)

Fitment Alert:
AAM
Does Not Fit Ram Trucks With Airbag Suspension Alone. See Fitment Note
Sway Bar Spacers (#19249-2) required on Ram Trucks with OEM sway bar.

Brand