Ram-Air® Differential Cover Kit For 2019-2024 RAM AND 2020-2024 CHEVY/GMC, WITH 11.5" OR 12" 14-BOLT AAM REAR AXLE
Patented design cools 5X better than flat-backs
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.
2019-2024 Chevy/GM/RAM with AAM 11.5in and 12in, 14 Bolt Rear Axle
Note: 2019-24 RAM 6.4L Gas Trucks
Customers must visually confirm which differential cover is installed from factory.
Fitment Alert: AAM
- Does Not Fit Ram Trucks With Airbag Suspension Alone. (See Fitment Note below)
- Sway Bar Spacers (#19249-2) required on Ram Trucks with OEM sway bar.
Does Not Fit Ram Trucks With Airbag Suspension Alone
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✗ Airbags Alone
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✔ Airbags + Coils
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✔ Airbags + Leaf Springs
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✔ Leaf Springs + Shocks
Sway Bar Spacers (#19249-2) required on Ram Trucks with OEM sway bar.
Key Highlights
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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)
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