21200KB50A Nissan THERMOSTAT ASSY, Price: 123.85$, Weight: 0.34kg


Make Number Name Availability Weight, kg Ship in, Days Price

Nissan

21200KB50A

THERMOSTAT ASSY

5

0.34

 Dispatch 24h

123.85$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Nissan
21200KB50A 
THERMOSTAT ASSY
5
0.391
2-3
103.21$
 

Compatibility

Body StyleEngineVehicle GradeMarketModelModel Year FromGearboxDiagram
COUPEVR38DETTPREMIUMEurope (RHD)R3511.2013DUAL CLUTCH View

Engine Coolant Thermostat Assembly ️

This thermostat assembly is a key part of the cooling system. It is needed to help the engine reach working temperature fast, then keep it stable during hard driving and daily traffic. A correct temperature means better power, cleaner emissions, and longer engine life.

How It Works

Inside the housing is a heat-sensitive valve. When the engine is cold, the valve stays closed, forcing coolant to circulate mainly inside the engine so it warms up quickly. As coolant temperature rises, the valve opens in stages and lets coolant flow to the radiator. This balance prevents overheating while avoiding running too cold.

Why Replacing a Weak One Matters ✅

A worn thermostat can stick closed or open. If it sticks closed, coolant can’t reach the radiator and the engine may overheat fast—risking head gasket failure, warped components, and severe engine damage. If it sticks open, the engine may run too cool, causing poor heater output, higher fuel use, rough running, and faster internal wear from thick oil.

Compatible Models

  • Gt-R