Confirmed context
Reviewed catalogs list Eaton K-4366 as a mainshaft kit for Endurant HD 12-speed automated manual transmissions.
Part-number sourcing · Eaton Fuller transmission reference
Eaton K-4366 Mainshaft Kit for Endurant HD Transmissions
Quick answer: Eaton K-4366 is a mainshaft kit (assembled mainshaft with gears and bearings) for Endurant HD 12-speed automated manual transmissions, cross-referenced with 5628861 and ECK4366.
- Kit reference
- Eaton K-4366
- Product type
- Mainshaft kit
- Gearbox family
- Eaton Endurant HD 12-speed AMT
- Interchange
- 5628861 · ECK4366
Catalog association confirmed. Send the transmission model, nameplate and old-part markings for final compatibility verification before quotation.
View Packaging & Export Guide
OEM & Reference Number Matching
Scroll horizontally to read catalog relationships and buyer guidance →
| Reference | Catalog / Brand Source | Relationship | Buyer Guidance |
|---|---|---|---|
| K-4366 | Eaton Fuller kit catalog | Mainshaft kit | Send this reference with the transmission model and nameplate. |
| 5628861 | Eaton service reference | Listed as interchangeable | Verify with model, nameplate and old-part markings before substitution. |
| ECK4366 | Aftermarket kit code | Listed as compatible kit | Verify before substitution; send both references for checking. |
Shared catalog references should be verified against the transmission model, nameplate and existing part markings before substitution. Cross-reference association only; it does not imply a genuine Eaton part.
Compatibility & Identification
Verify before substitution
Match the proposed kit and its contents to the supplied transmission details.
Information needed before order
- Transmission model and nameplate
- Old-part markings and photos
- Quantity and destination
| Catalog-listed transmission context | Buyer guidance |
|---|---|
| Eaton Endurant HD 12-speed automated manual transmissions | Confirm with the exact transmission nameplate. |
Confirm the kit contents before order
Eaton K-4366 is cataloged as a mainshaft kit. Kit contents differ by build, so match the configuration together with the complete reference and transmission data.
Verification workflow
- Record the complete transmission nameplate and exact model.
- Photograph the old components from all sides, including markings.
- Record every reference exactly, including prefixes and the K-/ECK forms.
- Compare the offered kit and its contents with the catalog evidence.
- Resolve any substitute, contents, or fit question before order confirmation.
Quality & Inspection
Available checks, photos, measurements, and documents are confirmed with the quotation.
View inspection requirements
Inspection requirements to request
- Kit part-number and visible-marking confirmation
- Kit contents and quantity check
- Selected dimensional checks when target measurements are supplied
- Packaging and packing-list review
Include requirements with the enquiry.
Send any target measurements, photo angles, inspection needs, and document requirements for confirmation in the quotation.
Ordering & Export
Packaging
Export-standard packaging with anti-corrosion protection. Packaging method, labeling, grouping, export documents, and receiving requirements are confirmed with the quotation.
Shipping
Provide the destination country and preferred transport mode for quotation.
Related Eaton Transmission Parts
Explore other components in the Eaton transmission product range.
Procurement FAQ
What does the Eaton K-4366 mainshaft kit fit?
Reviewed catalogs list K-4366 as a mainshaft kit for Endurant HD 12-speed automated manual transmissions. Confirm the transmission model with your old part before order.
Which references match this kit?
Catalog cross-references include 5628861 and ECK4366.
How do I verify the K-4366 kit fits my transmission?
Send your transmission model, nameplate and photos of the old components and their markings. We will cross-reference the kit and confirm before order.
How should I organize a multi-part enquiry?
Send the transmission model, nameplate photo, the old-part markings and the full list of parts you need in one message. We will check each against the catalog and reply with one consolidated quote.
