ASSY WATER PUMP (KU-1E05173036)

Description:

The Kubota 1E051-73036 Water Pump Assembly is a genuine OEM engine cooling component responsible for circulating coolant through the engine block, cylinder head, radiator, and heater circuit. Proper coolant circulation is critical to maintaining correct operating temperature and preventing engine overheating.

This pump is supplied as a complete assembly, ensuring correct impeller clearance, bearing preload, and seal integrity as designed by Kubota.

Model Fitment:

B1121D-F2-EC-S5

B1121D-S5

B1161D-F2-EC-S5

B1181D-F2-EC-S5

B1181DT-F2-EC-S5

F1900D3 / F1900E3

G2160-F-4 / G2160-F-4-S5

G21HD-F-3-S5

G21LD-F-4 / G21LD-F-4-S5

GR1600 (ID-2 / EU-3 / S5 variants)

GR2120 (EU-3 / SEU-3 / S5 variants)

GZD15-3HD / GZD15-3LD

GZD21-2HD

RTV-X900

KC110SL-4

KC120 / KC120EN

RT100 / RT100-2

RT105T-2

GL11000-CAN

Part Details:

Part Name  –

Water Pump Assembly

OEM Part Number  –

1E051-73036

Brand  –

Kubota (Genuine OEM)

Component Type  –

Engine Cooling System Water Pump

Primary Function  –

Circulates coolant through engine & radiator to control temperature

Typical Fitment  –

Kubota tractors (BX, B-series), RTV-X900 utility vehicles, zero-turn mowers with compatible engines

Engine Types  –

D722, D902 (common in machines listed above)

Installation  –

Direct OEM replacement; may require gasket (e.g., 16871-73430)

Material  –

Cast metal housing with impeller and seals designed for coolant

Condition  –

New OEM

When to Replace  –

Coolant leaks, overheating, pump noise, bearing failure

Includes  –

Pump assembly (gasket sold separately unless bundled)