Keep an accurate eye on engine oil pressure with the Standard Ignition Engine Oil Pressure Switch, PN PS-220. This switch senses engine oil pressure and signals the vehicle's gauge or warning lamp, and it drops in as a direct-fit replacement across a wide range of GM applications — including the 1997-2005 Buick Century, 2005-2009 Chevrolet Equinox, 2000-2005 Chevrolet Impala, 1997-2006 Chevrolet Malibu, 1999-2004 Oldsmobile Alero, 1997-2005 Pontiac Grand Am, and many more (see the Buyer's Guide tab for the full list).
- Durable diaphragm: Built with high-temperature polyimide film diaphragms for exceptional cycle durability and resistance to rupture and oil leakage; designed to handle rapid pressure pulsations without component damage.
- Accurate signal: Engineered to deliver a highly accurate, timely oil pressure reading to the vehicle's data monitoring system.
- Direct replacement: Designed for OE fit to ease installation, using robust design and high-grade materials.
- 100% tested: Each unit is tested on vehicles with automated equipment that activates the switch, checks for leaks, and stresses the part to confirm specification compliance.
Made in North America. Country of origin: Mexico.
Interchange: S4059 · 8115 · PS152 · OP6659 · 12575007 · 12635954 · 19244512 · 24575739 · 25036853 · 25036934 · 2-8115 · 28115 · OP6659SB · PS220T · Manufacturer part number PS-220.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this part do?
The Engine Oil Pressure Switch senses engine oil pressure and signals the vehicle's data monitoring system, driving the oil pressure gauge or warning lamp.
Will PS-220 fit my vehicle?
It is a direct-fit replacement for many GM cars and vans, including the Buick Century, Chevrolet Equinox, Impala and Malibu, and Pontiac Grand Am. Check the Buyer's Guide tab for the full list.
What type of terminals does it have?
It has three male blade terminals with a female plug-in connector.
How is the switch built and tested?
It uses a high-temperature polyimide film diaphragm for cycle durability, and each unit is 100% tested on vehicles with automated equipment that activates it and checks for leaks.
Where is this part made?
It is made in North America, with a country of origin of Mexico.
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