Help your engine's vacuum controls respond to temperature as designed with this Standard Ignition switch, the Ported Vacuum Switch PVS49. It is a direct-fit replacement for many vehicles, among them the 1984-1987 Chevrolet Chevette, 1982 Chevrolet Cavalier and 1984-1987 Pontiac T1000. See the "Vehicles it fits" section for the full list of applications and engine details on each one.
A ported vacuum switch is a temperature-sensing valve. Its thermal element opens or closes vacuum ports as engine temperature changes, which controls when vacuum reaches the components connected to it.
Signs this part may need replacing include a cracked or leaking housing, a vacuum leak at the switch, or vacuum that does not switch as the engine warms up. These symptoms can have other causes, so diagnose the vacuum system before you replace the switch.
Interchange: 2-29039
229039 · 19236514 · EC949 · 25041304
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
What does a ported vacuum switch do?
It uses a thermal element to open or close vacuum ports as engine temperature changes. This controls when vacuum reaches the components connected to it.
Will this Cavalier switch fit my 1982 Chevrolet Cavalier?
Yes. PVS49 is listed for the 1982 Chevrolet Cavalier. See the "Vehicles it fits" section for engine details on your application.
What is the Standard Ignition PVS49 made of?
It is built with brass and a high-temperature plastic housing to OEM specification for precision fit and performance.
What are signs a ported vacuum switch may need replacing?
Signs include a cracked or leaking housing, a vacuum leak at the switch, or vacuum that does not switch as the engine warms. Other faults can cause these symptoms, so diagnose the system first.
Which part numbers does PVS49 interchange with?
It interchanges with 2-29039 (229039), 19236514, EC949 and 25041304.
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Standard Motor Products
Standard Motor Products
Standard Motor Products
Standard Motor Products
Standard Motor Products
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.
