9.25IFS Front Differential Cover

Features:

• Fits 2011–2019 GM 2500HD/3500HD 9.25IFS axles
• Made from high-strength cast aluminum
• Internal and external cooling fins included
• Improves cooling for front differential fluid
• Adds three-quarter quart of extra fluid capacity
• High-powered Neodymium magnetic fill plug
• Captures metal debris before it causes damage
• Helps extend differential and bearing life
• Supports heavy-duty towing and off-road use
• Designed for easy bolt-on installation
• Built to perform under extended load conditions
• Offers smoother, cleaner fluid operation

Upgrade Your Front End Before It Lets You Down

When you're towing, climbing, or pushing your truck harder than stock conditions ever intended, your front differential deserves better protection. The PPE 9.25IFS Front Differential Cover gives your 2011-2019 Silverado or Sierra 2500HD or 3500HD the cooling and fluid capacity it needs to keep performing under pressure. This isn’t just a cosmetic upgrade, it’s a smart investment for anyone who wants to get the most out of their drivetrain. With added fluid capacity and industry-leading internal and external cooling fins, it’s built to handle the heat that comes with long hauls and loaded trailers. The raw cast aluminum construction looks tough and works even harder, helping reduce wear and extend the life of your differential. You also get PPE’s exclusive Neodymium magnetic fill plug, which traps damaging metal particles before they cycle through your gears. Whether you're heading into the mountains or pulling a trailer full of equipment, this cover is one of those upgrades that quietly does its job, and does it well.

Built For Consistent Cooling And Clean Fluid Flow

The PPE 138041020 differential cover is engineered for GM trucks using the 9.25IFS front axle from 2011 to 2019. Made from cast aluminum, it offers both durability and heat management through an extensive set of cooling fins placed on the inside and outside of the housing. These fins increase surface area to help dissipate heat more efficiently, which is especially important during long-distance towing, off-road climbs, or extreme temperature swings. The housing holds an extra three-quarter quart of fluid compared to the factory cover, giving the differential more thermal stability and helping reduce the chances of breakdowns due to overheating. PPE includes a high-strength Neodymium magnet in the fill plug, designed to capture harmful metallic particles before they can cause damage inside the diff. This design not only supports longer fluid life but also adds a layer of protection to internal bearings and gears. With direct bolt-on fitment, no special tools are needed for installation, making this a practical and effective upgrade for any heavy-use GM HD truck.

Fitment: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 GM Silverado/Sierra 2500HD/3500HD

Notes:

• Designed specifically for 2011–2019 GM 2500HD/3500HD trucks
• Fits vehicles equipped with 9.25IFS front differential
• Improves cooling beyond stock differential covers
• Provides extra fluid capacity for added thermal stamina
• Features industry‑leading internal and external cooling fins
• Includes high‑powered Neodymium magnetic fill plug
• Magnetic plug helps trap harmful metal particles
• Cast aluminum construction increases durability
• Installed cover helps reduce wear on internal gears
• Best suited for heavy towing or long‑haul driving conditions
• More effective cooling under high temperature loads
• Direct bolt‑on replacement for easier installation