21200JK20A Nissan THERMOSTAT ASSY, Price: 28.64$, Weight: 0.28kg


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

Nissan

21200JK20A

THERMOSTAT ASSY

166

0.28

2-3

28.64$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Nissan
21200JK20A 
THERMOSTAT ASSY
53
0.322
 Dispatch 48h
34.37$
 

Substitutions

Make Number Name Availability Weight, kg Processing, days Price  
FEBEST
02462002 
02462002
6
0.23
2-3
19.22$
 

Compatibility

Body StyleEngineVehicle GradeMarketModelModel Year FromModel Year ToDiagram
CONVERTIBLEVQ35HR350ZEurope (RHD)Z3301.200704.2009 View
Body StyleEngineFrameVehicle GradeMarketModelModel Year FromDiagram
COUPEVQ35HRZ33VER/STJapanZ3301.2007 View
Body StyleEngineFrameVehicle GradeMarketModelModel Year FromDiagram
SEDANVQ25HRY51250GT/AパッケージJapanY5111.2009 View
Body StyleEngineVehicle GradeMarketModelModel Year FromModel Year ToDiagram
SEDANVQ35HRBASEGeneral/Asia (LHD)Y5008.200805.2010 View
Body StyleEngineVehicle GradeMarketModelModel Year FromModel Year ToDiagram
SEDANVQ35HRPREMIUMGeneral/Asia (LHD)V3609.200708.2008 View
Body StyleEngineFrameVehicle GradeMarketModelModel Year FromDiagram
SEDANVQ35HRPV36350GTSPJapanV3611.2006 View

Engine Thermostat Unit for Stable Cooling ️

This OEM‑style temperature controller keeps your motor at the ideal range. It speeds warm‑up, holds steady heat, improves fuel use, shields the head gasket, and brings quicker cabin heat on cold starts. Durable housing and precise valve give long, quiet service. Ideal for cooling system repair and engine thermostat replacement.

Why it’s needed

The valve manages coolant flow between block and radiator. Closed when cold, it opens at a set point to stop overheating. Without it, the engine runs too cold or too hot, causing wear, sludge, and wasted fuel.

How it works

A wax pellet expands with heat and drives a plunger that opens the gate in stages. The bypass keeps internal circulation until full open. A molded O‑ring seals the housing, and an air‑bleed pin lets bubbles escape for stable readings.

If it’s bad

  • Overheats in traffic or on climbs ⚠️
  • Temp gauge swings; weak heater
  • P0128 code, rich mix, poor MPG
  • Coolant seep at the neck
  • Risk: warped heads, blown gasket

Service tips

  • Replace O‑ring, torque evenly
  • Use correct coolant; bleed air
  • Inspect hoses and cap

Compatibility

  • Q40/G Sedan
  • Qx70/Fx
  • M35/45
  • Qx50/Ex