Motive Gear axle bearing and seal kit for Dana 35, Ford 7.5/8.8, GM — KIT 5707, matched roller bearing & seal

The Motive Gear KIT 5707 is a rear axle bearing and seal service kit engineered to replace worn axle bearings and seals on Dana 35, Ford 7.5/8.8 and a range of GM differentials for left or right rear axle applications.

If your rear axle is noisy, leaking gear oil, or you’re rebuilding a differential, the KIT 5707 supplies the matched bearing and seal dimensions needed to restore proper fit and sealing. Motive Gear designed this kit as a direct-fit replacement for many common passenger-car and light-truck rear axles—covering Dana 35 housings and multiple Ford and GM ring-and-pinion packages—so you can complete axle service without measuring and hunting down individual parts.

Which vehicles and axle types will this kit fit?

This kit covers a broad list of model years and makes that used Dana 35, Ford 7.5" or 8.8" and various GM axle assemblies. It is intended for left (driver) or right (passenger) rear axle installations where the specified bearing and seal dimensions match the axle journals and housing bore.

• Compatible with many Chevrolet, Ford, GMC, Jeep, Pontiac, Oldsmobile, Buick, Cadillac, Mercury, Lincoln, Dodge, Plymouth, Mazda, Honda, Isuzu and Avanti models.
• Common axle families supported: Dana 35; Ford 7.5" and 8.8"; GM 7.5", 7.625", 8.2, 8.5 and 8.875" variations.
• Replaces Revolution Gear & Axle part numbers AK1563 and AK3599 for straightforward cross-reference.

What are the precise bearing and seal specifications?

The KIT 5707 includes a roller bearing and axle seal sized to fit the targeted axle journals and bores so you get reliable alignment and oil control when reinstalling the axle shafts.

• Bearing: 1.4016" (inside diameter) × 2.252" (outside diameter) × 0.698" (width).
• Seal: 1.399" (inside diameter) × 2.296" (outside diameter) × 0.46" (width).
• Engineered to provide a precision fit for smooth rotation and reduced end-play after installation.

How will this kit help during a differential service or axle rebuild?

Using matched components from a single kit simplifies axle reassembly and reduces the risk of leaks or premature wear caused by mismatched parts. The included seal and bearing are selected to restore proper bearing preload and oil retention at the axle end.

• Restore proper axle shaft alignment and bearing preload for quieter operation.
• Replace worn seals to stop gear oil leaks and protect internal components.
• Suitable for left or right rear axle service, reducing the need to order multiple part numbers.

What warranty and quality assurances does Motive Gear provide?

Motive Gear backs this kit with a limited warranty and builds components to OE-like form, fit, and function standards so you can rely on consistent replacement performance.

• 1-year or 50,000-mile limited warranty from Motive Gear.
• Manufactured for proper fitment and durability in common passenger-car and light-truck rear axle applications.
• Designed as a direct replacement to simplify parts selection and installation.

Who this is for: The KIT 5707 is ideal for DIY mechanics, professional technicians, and restoration shops performing rear axle service, differential rebuilds, or leak repair on vehicles that specify the listed Dana 35, Ford, or GM axle families. If you need a matched bearing and seal set for left or right rear axle installation and want a direct replacement cross-referenced to AK1563/AK3599, this kit offers the correct dimensions and a warranty-backed option from Motive Gear. Always verify your vehicle’s axle type and journal measurements against the kit dimensions before ordering to ensure proper fitment.