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Eaton K-F8.8EIRS is a master differential installation kit for the exact axle family and position identified in this listing. Verify bearing journals, seals, ring-gear hardware, pinion depth components, and axle revision before teardown.
Key Features
- Axle-specific differential installation components
- Supports bearing and seal replacement during setup
- Exact front or rear axle application
- Professional gear setup required
Fitment
This component is selected by axle family, position, spline count, shaft diameter, ratio range, and exact Eaton part number rather than vehicle year, make, and model. Confirm the installed axle before ordering.
Specifications
| Manufacturer | Eaton |
|---|---|
| Manufacturer Part Number | K-F8.8EIRS |
| Product Type | Differential Install Kits |
| Fitment Type | Axle and specification specific |
| Axle Position | Rear |
| Ring Gear | 8.8in |
What's Included
- One Eaton master differential installation kit in the exact listed configuration
- Manufacturer packaging and documentation supplied with the exact part number
About Eaton
Eaton manufactures locking and limited-slip differentials, axle service parts, installation kits, and ELocker controls for performance, off-road, towing, and commercial applications. Correct selection depends on the exact axle and differential configuration.
Related Eaton Products
- Eaton Ford 10.50in Rear Master Install Kit
- Eaton Ford 7.5in Rear Master Install Kit
- Eaton Ford 9.75in Rear Master Install Kit
Browse the Eaton collection for related drivetrain components.
Frequently Asked Questions
Which axle does Eaton K-F8.8EIRS service?
Match the axle family, front or rear position, model revision, bearing journals, seals, and ring-gear hardware shown in this listing. Similar axle names can use different components.
Does a master install kit include the ring and pinion?
No. A master installation kit supplies service parts used during differential setup. The differential and ring-and-pinion set are separate unless the listing explicitly states otherwise.
Can I install this kit without measuring gear setup?
No. Pinion depth, bearing preload, backlash, and gear-tooth contact pattern must be measured and adjusted by a qualified drivetrain technician.
Installation Instructions
Professional drivetrain installation is recommended. Confirm the axle and component identity before disassembly, inspect all reusable parts, follow current Eaton and vehicle service procedures, establish bearing preload and backlash, verify the gear contact pattern, use the specified lubricant, and test operation before returning the vehicle to service.
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