Excavator Engine Parts

1E401-73012 82C Thermostat Assembly for Kubota 03 Series V1505 V2203

Q: What numbers are documented for 1E401-73012?

Primary Equipment Part Number: 1E401-73012. Formatted Search Alias: 1E40173012. Published Replaced Kubota Number: 1E401-73010. Published Replaced Kubota Number: 15321-73010. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 1E401-73012 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

1E401-73012 82C Thermostat Assembly for Kubota 03 Series V1505 V2203, OEM/reference 1E401-73012, 82C Engine Coolant Thermostat, product view 1

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OEM / reference1E401-73012

Specification82C Engine Coolant Thermostat

Catalog ID53100861

Engine-coolant thermostat assembly identified by Kubota number 1E401-73012. Authorized Kubota parts dealers identify it as an 82-degree-C thermostat assembly and publish the earlier numbers it replaces. Exact application records cover the Kubota 03 Series plus V1505 and V2203 engines; selected V2403-CR variants also appear in an exact-number engine catalog. Three owned views show the same thermostat, flange, spring cage and vent-hole arrangement. Confirm 1E401-73012, engine suffix, flange diameter, vent-hole orientation and temperature marking before ordering.

Product Type: Engine coolant thermostat assembly
Opening Temperature: 82 C on authorized exact-number listing
Primary Number: 1E401-73012
Fitment Check: Match flange diameter, cage, vent hole and temperature marking
Condition: New replacement thermostat

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Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Kubota thermostat assembly	1E401-73012
Formatted Search Alias	Same number without separator	1E40173012
Published Replaced Kubota Number	Listed as an earlier number replaced by 1E401-73012	1E401-73010
Published Replaced Kubota Number	Listed as an earlier number replaced by 1E401-73012	15321-73010

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number

1E401-73012

Formatting alias

1E40173012

Other documented relationship

1E401-73010
15321-73010

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

82C Engine Coolant Thermostat

Category: Excavator Engine Parts
Catalog ID: 53100861
Photo views: 3

Before ordering

Confirm these details

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.

Machine fitment

Compatible model references

3 model references

Published engine families: Kubota 03 Series / V1505 / V2203
Published suffix-specific engine variants: V2403-CR-E4B / V2403-CR-TE4B
Fitment limitation: Confirm engine suffix, flange diameter, vent-hole orientation and temperature marking

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

Common questions about 1E401-73012

Which machines use 1E401-73012?

Recorded compatible model references include Published engine families: Kubota 03 Series / V1505 / V2203, Published suffix-specific engine variants: V2403-CR-E4B / V2403-CR-TE4B, Fitment limitation: Confirm engine suffix, flange diameter, vent-hole orientation and temperature marking. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 1E401-73012?

Formatting aliases for the same number: 1E40173012.

How do I confirm 1E401-73012 before ordering?

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.

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