Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | D1402 cylinder head | 15521-03040 |
| Published Suffix Variant | D1402 head variant | 15521-03043 |
| Published Suffix Variant | D1402 head variant | 15521-03044 |
Excavator Engine Parts
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Complete three-cylinder engine head identified by Kubota part number 15521-03040 for D1402 applications. Published records also list later suffix forms 15521-03043 and 15521-03044; water-passage configuration must be compared with the original head.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | D1402 cylinder head | 15521-03040 |
| Published Suffix Variant | D1402 head variant | 15521-03043 |
| Published Suffix Variant | D1402 head variant | 15521-03044 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
3 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Recorded compatible model references include Engine family: Kubota D1402 / D1402B, Published equipment examples: Kubota KH66, KH91, L2202, L2402, Fitment limitation: Confirm water passages and complete engine suffix. Confirm the complete part number and machine serial range before ordering.
No alternate number is listed for 15521-03040. Send the original nameplate for an alternate-number check.
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
Continue comparing verified references from the same system.