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5409320 4090031 4096427 Excavator Engine Parts Cooling Water Pump For QST30
5409320 4090031 4096427 Excavator Engine Parts Cooling Water Pump For QST30
Specifications
Brand Name :
Cum-mins
Model Number :
QST30
Place of Origin :
China
MOQ :
1
Price :
$966 - $1148
Payment Terms :
L/C,T/T,D/P,D/A
Supply Ability :
99
Delivery Time :
3-7 work days
Packaging Details :
Wooden Box
Product Name :
Engine Cooling Water Pump Assembly
Compatible Engine :
QST30 / 12V140 Diesel Engine
OEM Part Numbers :
5409320, 4090031, 4096427
Cylinder Configuration :
3-cylinder (inline)
Drive Type :
Gear-driven (top-mounted drive gear, matching engine camshaft drive)
Rated Flow & Speed :
~400-500 L/min (at rated engine speed) & 2000–2200 rpm
Seal Type :
Mechanical seal (water-lubricated, high-temperature resistant)
Packing :
Wooden Box
Payment :
TT.Money Gram.Western Union. Paypal
Description

Excavator Engine Parts Cooling Water Pump 5409320 4090031 4096427 for QST30

Prevent catastrophic engine overheating and extend the service life of your powered heavy equipment with this premium 12V140 heavy-duty cooling water pump, engineered as a direct OEM replacement for part numbers 5409320, 4090031 and 4096427. Designed specifically for the high-horsepower QST30 diesel engine, this pump delivers consistent high-volume coolant flow to maintain optimal operating temperatures even under continuous full-load conditions. Built to withstand the extreme heat, vibration and dust of construction and mining sites, it features a reinforced housing and precision-balanced impeller for maximum durability and efficiency. Every unit undergoes comprehensive pressure and leakage testing before shipment to ensure reliable, leak-free performance.

Core Selling Points

✅ Exact OEM Fit for QST30
Precision-machined to match the exact mounting points, pulley configuration and coolant connections of the original water pump. No modifications are required, enabling straightforward bolt-on installation and minimizing equipment downtime.
✅ High-Volume Efficient Cooling Design
Features a precision-cast impeller optimized for maximum coolant flow and pressure. It delivers 20% higher flow rate than standard aftermarket pumps, ensuring efficient heat dissipation and preventing engine overheating during heavy operation.
✅ Industrial-Grade Durability
Constructed with a heavy-duty cast iron housing, stainless steel shaft and high-temperature mechanical seal. This design resists corrosion, cavitation and wear, providing 2-3 times longer service life than economy-grade alternatives.
✅ Rigorous Quality Assurance
Each pump undergoes hydrostatic pressure testing, rotational balance testing and leakage testing. It is ISO 9001:2015 certified and backed by a 6-month comprehensive manufacturer warranty for complete peace of mind.
Parameter Specification
Product Name Engine Cooling Water Pump Assembly
OEM Part Numbers 5409320, 4090031, 4096427
Compatible Engine QST30 / 12V140 Diesel Engine
Application Heavy-duty excavators, mining trucks, industrial equipment with QST30 engines
Drive Type Gear-driven (top-mounted drive gear, matching engine camshaft drive)
Gear Teeth 24 teeth (standard for QST30 engine)
Rated Flow ~400-500 L/min (at rated engine speed)
Rated Speed 2000–2200 rpm
Operating Pressure 0.15–0.25 MPa
Seal Type Mechanical seal (water-lubricated, high-temperature resistant)
Bearing Type Heavy-duty double-row ball bearings
Housing Material Cast iron (corrosion-resistant, high-pressure resistant)
Shaft Material High-strength alloy steel
Mounting Type Direct bolt-on fit (matches OEM mounting holes and flange)
Coolant Compatibility Compatible with ethylene glycol-based antifreeze (coolant)
Certifications RoHS, CE Compliant
Condition New aftermarket replacement, pressure-tested
Key Features High flow rate, durable mechanical seal, heavy-duty gear drive, corrosion-resistant housing, direct replacement

5409320 4090031 4096427 Excavator Engine Parts Cooling Water Pump For QST30

5409320 4090031 4096427 Excavator Engine Parts Cooling Water Pump For QST30

5409320 4090031 4096427 Excavator Engine Parts Cooling Water Pump For QST30

5409320 4090031 4096427 Excavator Engine Parts Cooling Water Pump For QST30

5409320 4090031 4096427 Excavator Engine Parts Cooling Water Pump For QST30

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5409320 4090031 4096427 Excavator Engine Parts Cooling Water Pump For QST30

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Product Detail
Brand Name :
Cum-mins
Model Number :
QST30
Place of Origin :
China
MOQ :
1
Price :
$966 - $1148
Payment Terms :
L/C,T/T,D/P,D/A
Contact Supplier
5409320 4090031 4096427 Excavator Engine Parts Cooling Water Pump For QST30

Guangzhou Lanxin Machinery Equipment Co., Ltd

Verified Supplier
1 Years
guangzhou
Since 2008
Business Type :
Distributor/Wholesaler, Trading Company
Main Products :
Construction Engine, Excavator Engine Parts, Hydraulic Pump Assembly
Total Annual :
10000000￥-100000000￥
Employee Number :
50~150
Certification Level :
Verified Supplier
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