Beck/Arnley 143-0951 thermostat for the 2020 Subaru Outback H4 2.4L and other vehicles opens and closes to control coolant flow to the radiator. This engine coolant thermostat matches OE form, fit and function.
- Built with materials selected for durability
- Application-specific thermostat design
Quick facts
- Part: Beck/Arnley 143-0951 thermostat
- Also called: engine coolant thermostat
- Fits: 2020 Subaru Outback H4 2.4L and other vehicles
- Condition: New
A thermostat stuck open or closed can show up as an engine that runs cold, a temperature gauge that climbs, or overheating. Before replacing it, look over the thermostat housing and hoses for coolant seepage and check the coolant level with the engine fully cool, since a leak or low coolant can give similar gauge readings.
Fits
The 2014-2018 Subaru Forester H4 2.0L and the 2020 Subaru Legacy H4 2.4L take this thermostat as well, one per vehicle, and it fits more Subaru models beyond those. If your Subaru isn't named here, look it up in the "Vehicles it fits" section before you order.
Specifications
- Quantity per vehicle: 1
- Engines: H4-2.0L, H4-2.4L
- Condition: New
Interchange: THF006 · 34808 · 1061190 · 15449 · 21210AA220 · 21210AA221 · WP2780903
This part cross-references / interchanges with the following part numbers:
THF006, 34808, 1061190, 15449, 21210AA220, 21210AA221, WP2780903
Frequently Asked Questions
Is this Subaru Outback thermostat right for a 2020 Outback H4 2.4L?
Yes. Beck/Arnley 143-0951 is listed for the 2020 Subaru Outback H4 2.4L, and that vehicle takes one.
Will this thermostat fit a 2014-2018 Subaru Forester H4 2.0L?
Yes. The 2014-2018 Subaru Forester H4 2.0L is in the fitment for this thermostat, and each one takes a single unit.
Is 21210AA220 a number this thermostat replaces?
Yes. 21210AA220 is among the numbers that Beck/Arnley 143-0951 replaces. The full cross-reference sits on the Interchange line.
What can a stuck-open or stuck-closed thermostat look like?
A cold-running engine, a rising temperature gauge or overheating can all be signs of a thermostat stuck open or closed.
Does Beck/Arnley 143-0951 match the original thermostat?
Yes. It is application specific, with form, fit and function that match OE for the vehicles in its fitment.
