Keep an accurate eye on engine oil pressure with the Standard Ignition Engine Oil Pressure Switch PS629. This switch senses oil pressure in the engine's lubrication circuit and signals the dashboard warning light or gauge, so the driver gets a clear reading of what the oil system is doing. It installs as a direct-fit replacement for the listed applications: the 2018-2022 Buick Enclave [All], 2014-2019 Cadillac XTS [All], 2018-2020 Chevrolet Impala [All], and 2018-2023 Chevrolet Traverse [All].
If a faulty oil pressure switch is the cause of an inaccurate reading or warning light, this unit replaces it to provide a correct signal to the instrument circuit.
Interchange: Manufacturer part number PS629.
What does this switch do?
It senses engine oil pressure and switches the circuit that drives the dashboard oil-pressure warning light or gauge.
Which vehicles does the PS629 fit?
It's a direct-fit replacement for the 2018-2022 Buick Enclave, 2014-2019 Cadillac XTS, 2018-2020 Chevrolet Impala, and 2018-2023 Chevrolet Traverse. See the Buyer's Guide tab to confirm your vehicle.
What are signs this switch may need replacing?
An oil-pressure warning light that stays on or flickers, an erratic or non-working gauge, or oil seepage at the switch body.
Will replacing this fix a low oil pressure warning?
If a failed switch is the cause of a false or erratic reading, this replaces it. Diagnose first, since actual low oil pressure can have other mechanical causes.
What is the manufacturer part number?
This is Standard Ignition manufacturer part number PS629.
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.
