Banks 19258 Black Ram-Air Differential Cover Kit with Hardware | 1985-2024 Ford Sterling Axle 12 Bolt

Features:

• Patented Ram-Air cooling scoop system
• Die-cast A380 aircraft-grade aluminum body
• Class-leading 534 sq. in. heat dissipation
• Breakaway scoops prevent damage from debris
• Sight glass with contrast screen for clarity
• Easy-access magnetic fill plug with 20° angle
• Recessed magnetic drain plug for cleaner service
• 24 precision heat fins boost cooling efficiency
• Maintains fuel economy with fluid dynamic design
• Tested against top aftermarket covers
• 304 stainless steel hex flange bolts included
• Engineered to extend gear and fluid life

This Is Not Just A Diff Cover Anymore

If you think all differential covers are basically the same, the Banks 19258 Ram-Air Diff Cover will change your mind fast. This thing isn’t just built tough, it’s built smart. From the breakaway Ram-Air scoops to the patented cooling design, it’s engineered to solve real problems most covers ignore. Whether you’re towing, hauling, or just pushing your rig hard, this cover keeps your fluid cooler and your gears protected, plain and simple. Unlike flat-back designs that trap heat and disrupt oil flow, this cover channels air with purpose, cooling the fluid before heat can do any damage. It’s die-cast from A380 aluminum and comes with high-quality stainless steel hardware, so you know it’s not just about looks. Banks didn’t slap their name on this to blend in with the crowd, they built it to outperform everything else on the road.

Designed To Cool Flow And Outlast The Competition

Behind the scenes, the Banks 19258 Ram-Air Diff Cover is the result of relentless engineering and real-world testing. What started as a challenge to improve heat rejection and fluid dynamics became a patented solution that changed the game. The die-cast aluminum housing is loaded with 24 precision fins and 534 square inches of surface area, built to shed heat faster than anything else on the market. But that’s only half the story, Banks designed Ram-Air scoops to direct airflow through a dead zone behind the axle, forcing cool air across the fins where other covers fail. Internally, it avoids the hard angles and obstructions that disrupt fluid circulation, which means less aeration, better lubrication, and longer gear life. Even serviceability got attention, with a magnetic drain plug, angled fill port, and a sight-glass featuring a contrast screen and Viton seal. Every piece of this design works to improve reliability, extend fluid life, and keep performance right where you need it.

Fits: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ford Sterling Axle 12 Bolt

Notes:

• Fits 1985–2024 Ford Sterling 12-bolt axles
• Does not fit any F-350 DRW (dually) models
• Does not fit Super Duty trucks with rear sway bar
• Does not fit 2023–2025 High-Output models
• Separate sway bar spacer kit available if needed
• Designed to reduce heat and improve fluid longevity
• Engineered to preserve fuel economy during towing
• Ram-Air scoops may require clearance checks on lifted setups
• Backed by patented and tested cooling technology
• Includes stainless steel hardware and magnetic plugs