Beck/Arnley Engine Coolant Thermostat P/N:143-0684
Beck/Arnley 143-0688 thermostat for the 1989-1991 Hyundai Sonata 4-cylinder 2.4L, the 1990-1998 Sonata V6 3.0L, the 1992-1998 Sonata 4-cylinder 2.0L and other vehicles regulates coolant flow to hold the engine at its operating temperature.
An engine that overheats or gives weak cabin heat can mean the thermostat is not opening or closing as it should. Several cooling parts show up this way, so find the cause before replacing it. With the engine off and cool, look around the housing for coolant seepage, crusty deposits or cracks.
It matches OE form, fit and function. It is listed for a wide range of Honda, Hyundai and Toyota models, and each engine takes one. For a Honda Accord thermostat, it is listed for the 1976-1978 Accord 4-cylinder 1.6L, the 1979-1985 Accord 4-cylinder 1.8L and the 1986-1989 Accord 4-cylinder 2.0L, and for the 1974-1979 Honda Civic 4-cylinder 1.2L, the 1975-1983 Civic 4-cylinder 1.5L and the 1980-1983 Civic 4-cylinder 1.3L. If your car is not named here, check your exact model and engine in the "Vehicles it fits" section.
Does this Honda Civic thermostat fit a 1975-1983 Honda Civic 4-cylinder 1.5L?
Yes. Beck/Arnley 143-0688 is listed for the 1975-1983 Honda Civic 4-cylinder 1.5L, which takes one thermostat. Open the "Vehicles it fits" section to look up your exact model and engine.
Can I use it as a Hyundai Sonata thermostat replacement on the 1990-1998 Hyundai Sonata V6 3.0L?
Yes. Beck/Arnley 143-0688 is listed for the 1990-1998 Hyundai Sonata V6 3.0L, and that engine takes one thermostat.
Is this Beck/Arnley thermostat made for specific engines?
Yes. It is application specific and matches OE form, fit and function for the engines it is listed for, so it is chosen by vehicle and engine rather than as a universal part.
Why would a stuck thermostat make an engine overheat or run cold?
A thermostat stuck closed can hold coolant back from the radiator, and the engine may overheat. One stuck open can let coolant circulate too freely, so the engine may run cold.
Is the 143-0688 sold as a single engine coolant thermostat?
Yes. The Beck/Arnley 143-0688 listing is one thermostat, and each engine it is listed for takes one.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.