Excavator Engine Parts

1A051-73036 Water Pump for Kubota D1503 D1703 KX121-3 KX161-3

Q: What numbers are documented for 1A051-73036?

Primary Current Part Number: 1A051-73036. Supersedes Earlier Part Number: 1A051-73035. Supersedes Earlier Part Number: 1A051-73032. Supersedes Earlier Part Number: 1A051-73030. Formatted Alias: 1A05173036. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 1A051-73036 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.

1A051-73036 Water Pump for Kubota D1503 D1703 KX121-3 KX161-3, OEM/reference 1A051-73036, Engine Cooling Water Pump Assembly, product view 1

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OEM / reference1A051-73036

SpecificationEngine Cooling Water Pump Assembly

Catalog ID51035051

Product Type: Engine Cooling Water Pump Assembly
Product Brand: EexcavaStart
Drive Type: Pulley / belt drive
Condition: New replacement part

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary Current Part Number	Water pump assembly	1A051-73036
Supersedes Earlier Part Number	Kubota parts record	1A051-73035
Supersedes Earlier Part Number	Kubota parts record	1A051-73032
Supersedes Earlier Part Number	Kubota parts record	1A051-73030
Formatted Alias	Same number without separator	1A05173036

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

1A051-73036

Formatting alias

1A05173036

Other documented relationship

1A051-73035
1A051-73032
1A051-73030

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

Engine Cooling Water Pump Assembly

Category: Excavator Engine Parts
Catalog ID: 51035051
Photo views: 4

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

Engine family: Kubota D1503 / D1703 / V2203 / V2403
Excavator models: Kubota KX91-3 / KX121-3 / KX161-3 / U35 / U45
Wheel loader model: Kubota R520S

Fitment / evidence notes

Fitment limitation: Confirm machine serial range, casting, outlet and pulley interface

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 1A051-73036

Which machines use 1A051-73036?

Recorded compatible model references include Engine family: Kubota D1503 / D1703 / V2203 / V2403, Excavator models: Kubota KX91-3 / KX121-3 / KX161-3 / U35 / U45, Wheel loader model: Kubota R520S. Recorded fitment/evidence notes: Fitment limitation: Confirm machine serial range, casting, outlet and pulley interface. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 1A051-73036?

Formatting aliases for the same number: 1A05173036.

How do I confirm 1A051-73036 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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