Upper Engine Coolant Thermostat Housing Assembly for 2007-2018 Nissan Altima & More - AISIN THN-021

$60.99

AISIN Engine Coolant Thermostat THN-021 - view 2

AISIN Engine Coolant Thermostat THN-021 - view 3

AISIN Engine Coolant Thermostat THN-021 - view 4

AISIN Engine Coolant Thermostat THN-021 - view 5

AISIN Engine Coolant Thermostat THN-021 - view 6

AISIN Engine Coolant Thermostat THN-021 - view 7

Part number: THN-021

EAN: 4580281471110

Condition: New

Weight: 0.99 LBS

Item Package Code: EA

Part Has Core (Y/N): N

Item Package Quantity: 1

$60.99

Current Stock: 26

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AISIN Engine Coolant Thermostat P/N:THN-021

$60.99

Description

AISIN THN-021 upper engine coolant thermostat housing assembly for the 2007-2018 Nissan Altima V6 3.5L and other vehicles controls coolant flow so the engine can reach and hold its operating temperature. AISIN engineers and manufactures it as an OE part for exact form, fit and function.

Thermostat and housing supplied together as one assembly
Exact-temperature thermostat inside the housing
Keeps coolant within the optimal temperature range
Maintains cooling system performance

Quick facts

Part: AISIN THN-021 engine coolant thermostat housing assembly
Fits: 2007-2018 Nissan Altima V6 3.5L and other vehicles
Position: Upper
Condition: New

Overheating, an engine slow to warm up or coolant seepage at the housing can point to a worn thermostat assembly. These signs alone do not prove the assembly is at fault, since a low coolant level can cause overheating too.

Fits

Its fitment also covers the 2013-2025 Nissan Pathfinder V6 3.5L and the 2009-2023 Nissan Maxima V6 3.5L, with one assembly per vehicle. If your car is not named here, open the "Vehicles it fits" section and check your exact model and engine.

Specifications

Fit and size

Position: Upper
Quantity per vehicle: 1

Build and materials

Type: thermostat and housing assembly
Condition: New

Interchange: 143-0874 · 21200-9HP0A · 21200-JA10A
15238

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

This part cross-references / interchanges with the following part numbers:

143-0874, THN-021, 21200-9HP0A, 21200-JA10A, 15238

Buyer's Q&A

Frequently Asked Questions

Does the AISIN THN-021 thermostat housing assembly fit the 2007-2018 Nissan Altima V6 3.5L?

Yes. AISIN THN-021 is listed for the 2007-2018 Nissan Altima V6 3.5L, and the car takes one.

Is there an upper thermostat housing assembly for the 2013-2025 Nissan Pathfinder V6 3.5L?

Yes. AISIN THN-021 is an upper-position assembly listed for the 2013-2025 Nissan Pathfinder V6 3.5L, one per vehicle.

Does this coolant thermostat housing assembly include the thermostat?

Yes. It is a thermostat and housing assembly, so the thermostat and the housing come together as one unit.

What can a thermostat that sticks do to the engine?

A thermostat that sticks can leave the engine running hot or slow to warm up, and a leak at the housing is another sign. A shop can test the cooling system to find the cause.

Does AISIN THN-021 replace number 21200-JA10A?

Yes. 21200-JA10A is one of the numbers AISIN THN-021 replaces; the full list is on the Interchange line.