Eaton K-F9.75-11R Ford 9.75 Rear Master Install Kit for 2011-2026 F-150

Vehicle Fitment

• 2011-2026 Ford F-150 (Ford 9.75 Rear Axle, RWD/4WD)
• 2015-2017 Ford Transit 250 (Ford 9.75 Rear Axle, RWD)
• 2015-2017 Ford Transit 350 (Ford 9.75 Rear Axle, RWD)
• 2011-2026 Ford F-250 Super Duty (Ford 9.75 Rear Axle applications only, RWD/4WD)
• 2011-2026 Ford F-350 Super Duty (Ford 9.75 Rear Axle applications only, RWD/4WD)
• 2011-2026 Ford F-450 Super Duty (Ford 9.75 Rear Axle applications only, RWD/4WD)
• 2011-2026 Ford F-550 Super Duty (Ford 9.75 Rear Axle applications only, RWD/4WD)

Fitment Notes

• Designed exclusively for Ford 9.75-inch rear differential applications.
• Fits 2011-and-newer Ford 9.75-inch axle designs.
• Compatible with Eaton differential part numbers 225C194A and 913A477.
• Verify axle tag and housing before ordering, as some vehicles were available with multiple rear axle configurations.
• Not intended for Ford 8.8-inch, Dana, Sterling 10.5-inch, or Sterling 10.8-inch axles.
• Rear axle applications only.

Features

• Master differential installation kit for Ford 9.75-inch rear axles.
• Includes premium Timken bearings for long service life.
• Designed for Eaton differential installations and gear replacements.
• Includes carrier bearings and carrier shims.
• Includes pinion bearings, pinion shims, and crush sleeve.
• Includes pinion seal and pinion nut.
• Includes gear marking compound for setup verification.
• Includes thread-locking compound and RTV gasket maker.
• Engineered for quiet operation and proper differential setup.
• Provides the critical components required for professional differential installation.

Specifications

• Brand: Eaton
• Part Number: K-F9.75-11R
• Product Type: Master Differential Install Kit
• Axle Type: Ford 9.75-Inch Rear
• Position: Rear
• Axle Spline Count: 34
• Pinion Spline Count: 31
• Cover Bolt Count: 12
• Ring Gear Bolt Count: 12
• Ring Gear Rotation: Standard
• Bearing Brand: Timken
• Carrier Bearings Included: Yes
• Carrier Shims Included: Yes
• Pinion Bearings Included: Yes
• Pinion Shims Included: Yes
• Crush Sleeve Included: Yes
• Pinion Seal Included: Yes

Included Components

• 1x Master Differential Install Kit
• 1x Carrier Bearing Set
• 1x Pinion Bearing Set
• 1x Pinion Seal
• 1x Crush Sleeve
• 1x Pinion Nut
• 1x Carrier Shim Kit
• 1x Pinion Shim Kit
• 1x Gear Marking Compound
• 1x Thread Locking Compound
• 1x RTV Gasket Maker

Product Description

The Eaton K-F9.75-11R Master Differential Install Kit is engineered specifically for Ford 9.75-inch rear axle applications and provides the premium components required for a complete differential installation or ring-and-pinion rebuild. Designed to complement Eaton differentials, this master kit combines high-quality bearings, seals, shims, and setup materials into a single package for efficient installation.

Featuring Timken bearings and precision-matched setup components, the K-F9.75-11R helps ensure accurate pinion depth, bearing preload, and carrier setup for reliable long-term performance. The kit includes essential service items such as a crush sleeve, pinion seal, pinion nut, gear marking compound, and RTV sealant to streamline differential assembly and reduce installation downtime.

Ideal for professional technicians, drivetrain builders, and performance enthusiasts, the Eaton K-F9.75-11R provides the critical components necessary for rebuilding or upgrading Ford 9.75-inch rear differentials used in F-Series trucks, Transit vans, and other compatible Ford applications equipped with this axle platform.