BANKS 19259 DIFFERENTIAL COVER KIT (NATURAL) 11.5/11.8-14 BOLT 2001-2019 GM 2500HD/3500HD 2003-2018 DODGE RAM 2500/3500

•  New patented design features Ram-Air scoops for fastest cooling Banks cools 5X better than flat-back covers in on-road towing tests over the same road, same weather, operator and vehicle.
• • 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.
• 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: 11.7 lbs.
• External heat radiation fin count: 24
• Internal heat absorption fin count: 26
• Dimensions: 14.2 in X 13.3 in X 3.8 in
• External heat radiation fin surface area: 533.782 in2
• Internal heat absorption fin surface area: 119.882 in2
• External heat radiation total surface area: 808.81 in2
• Internal heat absorption total surface area: 215.78 in2
• Fasteners: 14 x stainless steel M8-1.25 flange hex bolts
• Material: A380 aluminum diecast with CNC machined surfaces
• Oil service.

• Magnetic drain plug
• Magnetic fill port plug
• 20° angled 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 4.0Qts Fill To OEM Level)