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Eaton K-4386 Lower Lube Tube Kit | Endurant HD OEM
Eaton K-4386 Lower Lube Tube Kit for Endurant HD transmissions. Includes A-10001513 lower lube tube + X-8-0629M cap screw. Direct OEM replacement for EEO-17F112C & EEO-18F112C. Restores critical lubrication to countershaft bearings. Global shipping & lifetime warranty. Get your quote today!
Product Details
Eaton K-4386 Lower Lube Tube Kit – Endurant HD OEM
Factory-direct OEM replacement kit for Eaton Cummins Endurant HD automated transmissions. The K-4386 is the official Lower Lube Tube Service Kit, delivering pressurized lubrication directly to the lower countershaft bearings. Essential for preventing oil starvation, reducing wear, and maintaining optimal transmission temperature in high-mileage heavy-duty applications.
Why Choose the Eaton K-4386 Lower Lube Tube Kit?
- Complete OEM service kit – everything needed for quick replacement
- Restores critical oil flow to lower countershaft bearings
- Prevents overheating and premature bearing failure
- Direct fit for all Endurant HD transmissions
- Plug-and-play installation during the main housing service
- 28 years of OEM-level manufacturing experience at Volgen Power
Technical Specifications – Complete Kit Contents
| Item # | Description | Part Number | Qty |
|---|---|---|---|
| 1 | Lube Tube Cap Screw (NSS) | X-8-0629M | 1 |
| 2 | Lower Lube Tube (NSS) | A-10001513 | 1 |
Kit Weight: 4.7 oz (0.13 kg) • Dimensions: approx. 3¼” × 1¾” × 4¼”
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 Note: This K-4386 Lower Lube Tube Kit is the direct OEM replacement and pairs with the Upper Lube Tube Kit K-4384 (A-10001512). Always replace both tubes together during a major main housing service for a complete lubrication system refresh.
Installation Highlights
Requires main housing access (transmission removal recommended). Remove old tube and cap screw, install new A-10001513 lower lube tube with X-8-0629M cap screw, and torque to specification. Always check the countershaft bearing oil flow after installation. Total service time: 1–2 hours (as part of larger repair). Reference Eaton Endurant HD Service Manual TRSM0950 for detailed procedure.
Why Buy from Volgen Power?
- 100% genuine OEM specification – direct from the Eaton Cummins supply chain
- 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 & lubrication system guidance
Frequently Asked Questions
What is included in the Eaton K-4386 kit?
The kit contains the Lower Lube Tube (A-10001513) and its cap screw (X-8-0629M). Both components are Not Sold Separately (NSS).
Is this kit compatible with Hard Lock bearing upgrades?
Yes – it works with all Endurant HD configurations, including Hard Lock Countershaft Bearing Kit K-4652.
Should I replace the upper lube tube at the same time?
Yes – we strongly recommend installing the matching Upper Lube Tube Kit K-4384 simultaneously for complete lubrication system renewal.
What symptoms indicate a failed lower lube tube?
Countershaft bearing overheating, unusual noise, low lube pressure codes, or premature bearing wear.
What is your warranty on this kit?
Lifetime warranty against manufacturing defects when installed correctly.
Need the matching Upper Lube Tube Kit?
VIEW K-4384 UPPER LUBE TUBE KIT →
Volgen Power – Shiyan, China • 28 Years • OEM Quality • Global Delivery
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