Part-number sourcing · Eaton Fuller transmission reference

Eaton K-4371 Upper & Lower Countershaft Dual PTO Kit for Endurant HD Transmissions

Quick answer: Eaton K-4371 is an upper and lower countershaft kit (dual PTO) for Endurant HD automated manual transmissions. Public catalog cross-references for this kit are still being confirmed; send your transmission details and old-part markings for checking.

Kit reference
Eaton K-4371
Product type
Upper & lower countershaft kit (dual PTO)
Gearbox family
Eaton Endurant HD AMT
Platform context
Heavy truck applications — confirm by nameplate
Reference to be verified with the transmission model, nameplate and old-part markings before quotation.
View Packaging & Export Guide
Primary product information

OEM & Reference Number Matching

Scroll horizontally to read catalog relationships and buyer guidance →

ReferenceCatalog / Brand SourceRelationshipBuyer Guidance
K-4371Eaton Fuller kit catalogUpper & lower countershaft kit (dual PTO)Send this reference with the transmission model and nameplate.
EAHDK-4371Eaton Endurant aftermarket kit formEndurant HD catalog formConfirm the full reference and transmission details before order.
—Confirmed cross-reference pendingTo be verified (strategy B)Send the old-part markings so we can match the exact reference.

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

Confirmed context

Offered as an upper and lower countershaft kit (dual PTO) for Endurant HD automated manual transmissions. Confirm the transmission model for the exact application.

Verify before substitution

Match the PTO configuration (single vs dual) to the supplied transmission details.

Information needed before order

  • Transmission model and nameplate
  • Old-part markings and photos
  • Quantity and destination
Catalog-listed transmission contextBuyer guidance
Eaton Endurant HD automated manual transmissionsConfirm with the exact transmission nameplate and PTO build.
Countershaft kit identification

Confirm the PTO configuration and contents before order

Eaton K-4371 is cataloged as an upper and lower countershaft kit (dual PTO). PTO builds differ (single vs dual PTO), so match the configuration together with the complete reference and transmission data.

Verification workflow

  1. Record the complete transmission nameplate and exact model.
  2. Photograph the old components from all sides, including markings.
  3. Record every reference exactly, including the K-/EAHDK- forms.
  4. Compare the offered kit and its contents with the catalog evidence.
  5. Resolve any substitute, PTO configuration, or contents 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
  • Shaft and gear-seat condition check
  • 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

StockConfirm at quotation
MOQConfirm at quotation
Lead timeConfirm at quotation
WarrantyConfirm in quotation or contract

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.

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Procurement FAQ

What does the Eaton K-4371 kit fit?

Eaton K-4371 is offered as an upper and lower countershaft kit (dual PTO) for Endurant HD automated manual transmissions. Public catalog cross-references are still being confirmed — send your transmission model, nameplate and old-part markings and we will verify before quotation.

How is the kit reference written?

The kit may also appear in the Eaton Endurant aftermarket form EAHDK-4371. Confirm the exact variant with your old part.

How do I verify the K-4371 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.

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