AISIN THN-013 thermostat for the 1999-2004 Nissan Frontier V6 3.3L and other vehicles controls coolant flow to hold the engine at its operating temperature. This engine coolant thermostat assembly is OE manufactured for exact form, fit and function.
- Exact-temperature thermostat assembly
- Keeps coolant within the optimal temperature range
- Maintains cooling system performance
Quick facts
- Part: AISIN THN-013 thermostat
- Also called: engine coolant thermostat
- Fits: 1999-2004 Nissan Frontier V6 3.3L and other vehicles
- Condition: New
Signs that can point to a thermostat problem include an engine that overheats, a temperature gauge that stays low or coolant seeping at the housing. Before you replace the thermostat, rule out a low coolant level (checked only with the engine cool), a leaking hose or a faulty temperature sensor.
Fits
Listed for a wide range of Nissan and Infiniti models, it is a thermostat for the 1996-2000 Nissan Pathfinder V6 3.3L, the 1999-2004 Nissan Frontier V6 3.3L and the 2000-2004 Nissan Xterra V6 3.3L. Each engine takes one. Driving something not named here? Look up your year, model and engine in the "Vehicles it fits" section.
Specifications
- Quantity per vehicle: 1
- Type: thermostat assembly
- Condition: New
Interchange: 143-0721 · 21200-6P000 · 21200-V7205 · 21200-0B000 · 21200-V7206 · 21200-V720A · WV64BN-82A
33738 · 45948
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
143-0721, 33738, 21200-6P000, 21200-V7205, THN-013, 21200-0B000, 21200-V7206, 21200-V720A, 45948, WV64BN-82A
Frequently Asked Questions
Is the AISIN THN-013 the right thermostat for a 1999-2004 Nissan Frontier V6 3.3L?
Yes. The AISIN THN-013 is listed for the 1999-2004 Nissan Frontier V6 3.3L, which takes one thermostat. For another vehicle, look in the "Vehicles it fits" section.
Does the AISIN THN-013 work as a thermostat for the 2000-2004 Nissan Xterra V6 3.3L?
Yes. The AISIN THN-013 is listed for the 2000-2004 Nissan Xterra V6 3.3L, so it is a direct-fit thermostat for that engine.
Does the AISIN THN-013 replace number 21200-6P000?
Yes. 21200-6P000 is one of the interchange numbers the AISIN THN-013 replaces, along with 21200-V7205 and 143-0721.
Could weak cabin heat mean the thermostat needs replacing?
It can, if the thermostat is stuck open and the engine never reaches its normal temperature, but other cooling problems cause it too. A shop can test the cooling system.
Is the AISIN THN-013 an OE-manufactured thermostat?
Yes. AISIN THN-013 is OE engineered and manufactured as an exact replacement, with exact temperature and exact form, fit and function.
