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- Baishiyi Jiulongpo District, High-tech Zone,Chongqing,China.
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Radiator Surge Tank /Expansion Tank For ISUZU FVR NKR NPR 100P 600P 700P 8972051360 8972051361 8-97205136-0 8-97205136-1 1300030-803 1300030803
One-stop ISUZU truck spares supply .Radiator Surge Tank /Water Tank/Expansion Tank/Coolant Reservoir for ISUZU FVR NKR NPR 100P 600P 700P 8972051360 8972051361 8-97205136-0 8-97205136-1 1300030-803 1300030803 .suitable engines are ISUZU 6HK1 and 4JB1 engine . Both Aftermarket quality and China ISUZU quality can supply .DM us if you need .
Description
Products Description
Part Number: 8972051360 8972051361 8-97205136-0 8-97205136-1 1300030-803 1300030803
Part Name: Radiator Surge Tank /Water Tank/Expansion Tank/Coolant Reservoir
Truck Model Fit For: ISUZU FVR NKR NPR 100P 600P 700P
Engine: 6HK1/4JB1
Function:Stores And Compensates Coolant As Temperature Changes, Maintains Stable System Pressure, Removes Air Bubbles
Material: Plastic
Place of Original:China
Quality : Aftermarket quality or China ISUZU quality
Color:As picture shown
Size:As picture shown
Net Weight: 1.1KG
MOQ: 1 Piece
Packing: neutral box/color box/customer brand package/Japanese Isuzu original packing box
Shipping:By Express, By Sea ,By Air,By Railway
Delivery Time:1-8 Working days
Shipping:Worldwide shipping
Payment:TT.paypal.Western Union.Trade Assurance
Warranty:1 Year
Products Pictures

Radiator Surge Tank/Expansion Tank Introduction

The Radiator Surge Tank (Expansion Tank) is a key component in the engine cooling system. It stores and compensates coolant as temperature changes, maintains stable system pressure, removes air bubbles, and prevents overheating, cavitation and coolant overflow.
A Radiator Surge Tank, also known as an expansion tank or coolant reservoir, is a critical component in a vehicle's cooling system designed to manage the physical properties of the coolant as it undergoes temperature changes.
The cooling system includes:Water pump, radiator, intercooler and piping, thermostat, thermostat housing, thermostat cover, radiator surge tank, cooling fan blade, fan clutch, various water hoses, water temperature sensor, and drain cock.


Engine Cooling System Other products Recommend for You
Components of the cooling system: water pump, radiator, intercooler with piping, thermostat, thermostat housing and cover, radiator surge tank, cooling fan and fan clutch, coolant hoses, water temperature sensor, and drain cock. We also can supply .
One-stop ISUZU truck spares supply .Radiator Surge Tank /Water Tank/Expansion Tank/Coolant Reservoir for ISUZU FVR NKR NPR 100P 600P 700P 8972051360 8972051361 8-97205136-0 8-97205136-1 1300030-803 1300030803 .suitable engines are ISUZU 6HK1 and 4JB1 engine . Both Aftermarket quality and China ISUZU quality can supply .DM us if you need .

Surge Tank vs. Overflow Tank
While the terms are often used interchangeably, they have technical differences:
Surge/Expansion Tank: Part of the pressurized loop; the system's pressure cap is usually located on the tank itself.
Overflow Tank: A simple, non-pressurized bottle that catches fluid vented from a pressure cap located on the radiator.
Radiator Surge Tank/Expansion Tank Key Components
Pressure Cap:
A specialized valve that releases excess pressure into the atmosphere or an overflow line if the system overheats.
Baffles:
Internal walls in some high-performance or heavy-duty tanks that prevent the coolant from sloshing and creating foam.
Sensors:
Modern surge tanks often include coolant level sensors that trigger a dashboard warning light if the fluid drops too low.
Radiator Surge Tank/Expansion Tank Primary Functions
Thermal Expansion Management: As the engine heats up, the coolant expands. The surge tank provides a dedicated space to hold this excess volume, preventing pressure from building to a point where it could burst hoses or the radiator.
Deaeration (Air Separation): It acts as a separation chamber to continuously remove air bubbles and steam from the circulating coolant. Trapped air can cause "hot spots" in the engine and reduce cooling efficiency.
Pressure Regulation: The tank typically features a pressure cap that maintains the system at a specific pressure (often around 15–16 psi for standard vehicles). This raises the boiling point of the coolant, allowing the engine to run safely at higher temperatures.
Coolant Recovery: When the engine cools and the fluid contracts, a vacuum is created that draws the stored coolant back into the main radiator loop, keeping the system "self-filling" and free of air pockets.
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Direct OEM replacement, no modification needed
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About US

About our company
Chongqing Guanglian Qingling Auto Parts co., ltd
Founded in 1997 and located in the High-tech Zone of Chongqing City, China, we are one of the largest Isuzu parts distributors in China. For about 29 years ,we primarily supply a full range of spare parts for Isuzu trucks, covering models including ISUZU CXH, CYH, CXZ, CYZ, ELF, EXR, EXZ, FMR, FRR, FSR, FTR, FTS, FSS, FVM, FVR, FVZ, FXZ, FYH, GVR, GVZ, GXZ, NHR, NKR, NLR, NMR, NPR, NPS, NQR, QKR, TFR, TFS, UCR, UCS, and UBS. We also supply HINO, NISSAN, and TOYOTA spare parts. Our main products include China Qingling Isuzu original parts, Japan Isuzu original parts, and high-quality branded parts.
We are the trade company, also the wholesaler, do the isuzu qingling parts for more than 20 years. Located in Chongqing city, it is near qingling group, can have fast delivery and the good price, also we cooperated with many factories, so can provide you good price parts, and better after-sale service.
- We are professional Isuzu parts distributor with Over 20 years experience
- We near to Isuzu China auto factory, Isuzu Qingling Motors which set up in our city Chongqing since year 1985, can provide better quality and service.
- We have an experienced export team, our response within 24 hours
- On time delivery commitment, 0.1% contract value penalty per day if delay.


Truck Spare parts We can Offer

Our Warehouse

Our Partners
We have many famous partner brands cooperate with us .

For more information about us or need us help you finding Isuzu spare parts ,please inbox us .
Contact our team with your OEM part number, VIN, or fleet details for a precise recommendation.
Our address
Baishiyi Jiulongpo District, High-tech Zone,Chongqing,China
Phone Number/Whatsapp/wechat
+8617383152089
ZCMisuzu@guanglian99.com


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