Water Pump for Kubota B7300 B7400 BX1800 BX1830 – 19883-73034
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
| Application | Compatible Models / Details |
|---|---|
| Kubota Tractors | B7300HSD, B7400HSD, BX1800, BX1830 and related applications |
| Kubota Mowers / Equipment | Selected G1700, G1800, G1900, G2000, G6200H and T1600 applications using the same pump family |
Product Overview
The water pump maintains coolant circulation through the engine during mowing, loader work and other sustained-load operation. Leakage at the pump seal, rough bearing rotation or shaft play can cause coolant loss and overheating.
Kubota parts data shows 19883-73034 replacing earlier numbers 15881-73030, 15881-73033 and 19883-73030. Fitment extends beyond B7300/B7400 into BX1800/BX1830 and several G/T-series mower applications.
Key Features & Performance
- Current Kubota service reference 19883-73034
- Replaces several earlier pump numbers
- Fits B7300/B7400 plus related compact equipment
- Cooling-system repair for leaking or worn pump assemblies
Reference Numbers & Specifications
- Reference number(s): 19883-73034; replaces 15881-73030, 15881-73033, 19883-73030
- Part type: engine water pump
- System: liquid cooling
- Application: Kubota compact diesel engines/equipment
Before You Order
- Match the current or superseded Kubota number to the machine parts diagram.
- Inspect the drive belt, thermostat and radiator if overheating prompted the repair.
Frequently Asked Questions
Can a leaking water pump cause overheating?
Yes. Coolant loss and reduced circulation can both lead to elevated engine temperature.
Why are older part numbers listed?
Kubota has superseded earlier pump numbers to the current 19883-73034 service part.
Compatibility can vary by engine, serial number and equipment configuration. Match the original part number and physical configuration whenever possible before ordering.