ATS Diesel Ford Sterling 12-Bolt 10.25in Ring Gear Diff Cover

This ATS Diesel differential cover supports improved lubrication, cooling, and service access for the specified axle. Match the axle itself, not only the truck year and model. Review the verified fitment, exact configuration, specifications, included components, and installation requirements below before ordering.

Key Features

• Cast Aluminum Construction Strong, lightweight, and excellent at dissipating heat.
• Increased Fluid Capacity Holds 2.5 quarts more gear oil than stock for better lubrication and cooling.
• A: High-strength cast aluminum with a wrinkle black powder coat finish for excellent corrosion resistance and heat dissipation.
• Magnetic Drain Plug Captures metal particles to keep fluid clean and reduce wear.
• Wrinkle Black Powder Coat Durable, corrosion-resistant finish.
• Designed for Ford Sterling 10.25″ 12-bolt rear axles only.

Fitment

Specifications

What’s Included

One new ATS Diesel component in the exact configuration shown. Gaskets, hardware, wiring, fittings, fluids, filters, tuning, and companion parts are included only when the manufacturer listing expressly states they are part of this exact configuration.

About ATS Diesel Performance

ATS Diesel Performance develops transmission, turbocharger, exhaust, fuel-system, and drivetrain components for Dodge, Ram, Ford, and GM diesel trucks. Product selection remains exact-application specific.

Related ATS Diesel Parts

• ATS Diesel 01+ GM / 03+ Dodge 14-Bolt 11.5in American Axle ATS Protector Rear Differential Cover
• ATS Diesel 1994 – Early 98 Dodge 5.9L 12-Valve Cummins 3pc T3 PulseFlow Exhaust Manifold
• ATS Diesel 89-10 Ford Powerstroke w/E4OD/4R100/5R110 Transmission Dipstick & Oil Fill Tube

Browse the ATS Diesel collection for additional transmission, turbocharger, fuel-system, and drivetrain components.

Frequently Asked Questions

Does this differential cover fit 1983-1991, 1983-1994, 1983-1996, 1983-1997, 1983-1998, 1984, 1999-2003, 2000-2003, 2008-2010 Ford E-250 Econoline Club Wagon, Ford E-350 Econoline, Ford E-350 Econoline Club Wagon, Ford Excursion, Ford F-150, Ford F-250, Ford F-350?
Those are the verified vehicle applications. Also confirm the exact engine family, production split, factory equipment, and every ATS application note before ordering.

How do I confirm the axle before ordering this cover?
Identify the axle by housing, bolt pattern, ring-gear size, casting or axle tag, and vehicle application. Do not select a differential cover from year and model alone.

How should the differential be filled after installation?
Use the specified gear oil and friction modifier, if required. Fill to the ATS or axle-manufacturer level and recheck for leaks after the first heat cycle.

Installation Instructions

Use the current ATS Diesel instructions and vehicle service information. Verify the exact application, required tools, fasteners, seals, fluids, calibration, torque values, clearances, and startup or relearn procedure. Professional installation is recommended for internal transmission, turbocharger, fuel-system, and driveline work.