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Eaton A-10004579 Inertia Brake Housing | Endurant HD Hard Lock OEM
Eaton EAHDA-10004579 Inertia Brake Housing (Hard Lock Bearing Design) for Endurant HD transmissions. Direct factory replacement for EEO-17F112C & EEO-18F112C. Included in the EAHDK-4654 kit. Die-cast aluminum, perfect fit with K-4652 upgrade. Global shipping & lifetime warranty. Get your quote today!
Product Details
Eaton A-10004579 Inertia Brake Housing – Endurant HD Hard Lock Bearing Design
Factory-direct OEM replacement part engineered for Eaton Cummins Endurant HD automated transmissions. The A-10004579 is the official Hard Lock Inertia Brake Housing designed to work with the updated Hard Lock countershaft bearing system, providing superior stability, reduced vibration, and reliable inertia brake performance in high-mileage heavy-duty applications.
Why Choose the Eaton A-10004579 Hard Lock Inertia Brake Housing?
- Hard Lock Bearing Design – works seamlessly with A-10004580 Upper Countershaft Cover
- Integrated mounting for inertia brake components with superior sealing
- High-strength die-cast aluminum construction
- Perfect fit for 2022+ Endurant HD transmissions (SN ≥ Z0278934)
- Direct replacement – installs in under 90 minutes
- 28 years of OEM-level manufacturing experience at Volgen Power
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | EAHDA-10004579 |
| Design | Hard Lock Inertia Brake Housing Assembly |
| Material | High-strength die-cast aluminum |
| Cap Screws Required | 6 × M8×1.25×70 (P/N 10001813-MP6) |
| Included in Kit | EAHDK-4654 Clutch Housing Front Cover Kit |
| Rear Seal | 10001049 (Inertia Brake Housing Seal) |
| Compatible Bearing Upgrade | K-4652 Countershaft Bearing Kit |
Vehicle & Transmission Compatibility
Designed exclusively for Eaton Endurant HD Series:
| Transmission Models | Application Notes |
|---|---|
| EEO-17F112C / EEO-17F112C-XD | 17-speed Endurant HD |
| EEO-18F112C | 18-speed Endurant HD |
Popular Applications: Freightliner Cascadia, Peterbilt 579/567, Kenworth T680, International LT – paired with Cummins X15 engines.
Important Compatibility Note: This A-10004579 Hard Lock Inertia Brake Housing CANNOT be installed on transmissions built before November 18, 2022 (Serial Number ~ Z0278934) without simultaneously installing the K-4652 Hard Lock Countershaft Bearing Kit. It is designed to be used together with A-10004580 Upper Countershaft Cover.
Installation Highlights
Side-cover access only – no full disassembly required. Replace the inertia brake housing rear seal (P/N 10001049) and torque cap screws to the manufacturer’s specification. Total service time: approximately 90 minutes. Always install as part of the EAHDK-4654 kit for best results.
Why Buy from Volgen Power?
- 100% OEM specification – CNC machined, stress-relieved, and pressure-tested
- Factory direct pricing – up to 40% lower than dealerships
- Lifetime warranty on all transmission components
- Fast global shipping from China + USA warehouse stock
- Trusted by fleets in 70+ countries since 1996
- Full technical support & installation guides
Frequently Asked Questions
Is A-10004579 the same as 10004579?
Yes – 10004579 is the base number, but the full official service part number is A-10004579 (or internal EAHDA-10004579). Always use the A- version for correct identification and warranty.
Can I install this on older Endurant transmissions?
No – it requires the K-4652 Hard Lock Bearing Kit on units built before November 18, 2022 (SN ~ Z0278934).
Do you offer the complete EAHDK-4654 kit?
Yes – this A-10004579 Inertia Brake Housing is included in the EAHDK-4654 Clutch Housing Front Cover Kit, along with the A-10004580 Upper Countershaft Cover and all necessary seals.
What is your warranty on this part?
Lifetime warranty against manufacturing defects when installed correctly.
Ready to upgrade your Endurant HD transmission?
GET INSTANT QUOTE →
Volgen Power – Shiyan, China • 28 Years • OEM Quality • Global Delivery
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