Standard Ignition PS-121 Engine Oil Pressure Switch

Name: Standard Ignition PS-121 Engine Oil Pressure Switch
Brand: Standard Ignition
SKU: FBHK-PS-121
Price: 11.19 USD
Availability: InStock

⚙️ 122 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Volkswagen, Audi, Porsche, MG, BMW, Alfa Romeo, Austin, and NSU, Sedan, Cabriolet, 80, 80 Quattro, 90, 90 Quattro, Corrado, Passat, Vanagon, 5000, 5000 Quattro, Scirocco, 4000, 4000 Quattro, Jetta, Rabbit, Coupe, 928, 924, Dasher, Rabbit Pickup, Midget, Beetle, Super Beetle, Fox, 2002, 912, Alfetta, Spider, Marina, 914, Berlina, GT Veloce, 2002tii, 412, Karmann Ghia, 911, 411, Fastback, Squareback, 100 Series, 1000, 110, 1200C, Ro 80, TT, Campmobile, Transporter, 1600, 1600-2, 1602, 1800, 1802, 2.8 Bavaria, 2000, 2000ti, 2000tii, 2500, 2800, 3.0CS, 3.0CSi, 3.0CSL, 3.0S, 3.0Si, 2000c, 2000cs, 2002ti, 2800CS, Giulia, Giulia Sprint, 1600ti, 1800ti, and Prinz

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Not what you need? Click here for all Engine Oil Pressure Switch options

Overview of Standard Ignition Engine Oil Pressure Switch PS-121

The Standard Ignition PS-121 Engine Oil Pressure Switch is designed for reliable monitoring of oil pressure in various vehicle engines. Compatible with multiple makes and models, including Acura, Audi, Honda, Mazda, Porsche, Toyota, and Volkswagen, this switch ensures accurate engine performance feedback.

Engine Oil Pressure Switch for precise oil pressure monitoring
Compatible with Acura, Audi, Honda, Mazda, Porsche, Toyota, and Volkswagen vehicles
Fits models such as Accord, Civic, RX-7, 911, Passat, and more
Durable construction for long-lasting engine protection
Standard Ignition quality and reliability

Product Details and Compatibility

The PS-121 oil pressure switch from Standard Ignition is engineered to meet or exceed OEM specifications for a wide range of vehicles. It is compatible with popular models including the Acura Accord and Civic, Audi 80 Quattro and 90 Quattro, Honda Prelude, Mazda RX-7, Porsche 911 and 928, Toyota Corolla, and Volkswagen Jetta and Passat. This switch plays a critical role in monitoring engine oil pressure and sending signals to the vehicle’s dashboard or engine control unit, helping to prevent engine damage due to low oil pressure.

Common Applications and Problem Resolution

Detects low oil pressure to prevent engine damage
Resolves inaccurate or faulty oil pressure readings
Replaces malfunctioning or leaking oil pressure switches
Prevents oil pressure warning light from false triggering
Ensures proper engine oil system operation and safety

Installation Notes and Tips

When installing the Standard Ignition PS-121 oil pressure switch, ensure the engine is cool and the ignition is off. Locate the existing oil pressure switch on the engine block, disconnect the electrical connector, and remove the old switch carefully. Apply thread sealant if recommended by the vehicle manufacturer before installing the new switch. Tighten to the specified torque to avoid leaks or damage. After installation, verify the oil pressure warning light operation and check for leaks.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet strict quality standards, ensuring reliable performance and durability. The PS-121 oil pressure switch undergoes rigorous testing to comply with OEM requirements. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship to provide confidence in your purchase.

Brand	Standard Ignition
Part Number	PS-121
Color	Cream, Silver
Connector Gender	Male
Finish	Aluminum, Plastic
Terminal Gender	Male
Terminal Type	Blade

This part fits 122 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position	Notes
1994	Audi	Cabriolet			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1990	Acura	Legend			N/A
1990	Audi	80			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1990	Audi	80 Quattro			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1990	Audi	90			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1990	Audi	90 Quattro			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1990	Volkswagen	Cabriolet			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1990	Volkswagen	Corrado			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1990	Volkswagen	Passat			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1990	Volkswagen	Vanagon			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1989	Acura	Legend			N/A
1989	Audi	80			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1989	Audi	80 Quattro			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1989	Audi	90			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1989	Audi	90 Quattro			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1989	Volkswagen	Cabriolet	1.8L	L4	N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1989	Volkswagen	Vanagon			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1988	Acura	Legend			N/A
1988	Audi	5000 Quattro			N/A	w/ Brown Insulator; M10 X 1.0 Thread; Light
1988	Audi	80			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1988	Audi	80 Quattro			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1988	Audi	90			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1988	Audi	90 Quattro			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1988	Volkswagen	Vanagon			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1987	Acura	Legend			N/A
1987	Audi	4000			N/A	w/ Brown Insulator; M10 X 1.0 Thread; Light
1987	Audi	4000 Quattro			N/A	w/ Brown Insulator; M10 X 1.0 Thread; Light
1987	Audi	5000 Quattro			N/A	w/ Brown Insulator; M10 X 1.0 Thread; Light
1987	Volkswagen	Cabriolet	1.8L	L4	N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1987	Volkswagen	Vanagon			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1986	Acura	Legend			N/A
1986	Audi	4000			N/A	w/ Brown Insulator; M10 X 1.0 Thread; Light
1986	Audi	4000 Quattro			N/A	w/ Brown Insulator; M10 X 1.0 Thread; Light
1986	Audi	5000 Quattro			N/A	w/ Brown Insulator; M10 X 1.0 Thread; Light
1986	Volkswagen	Cabriolet	1.8L	L4	N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1986	Volkswagen	Jetta	1.6L	L4	N/A	w/ Brown Insulator; M10 X 1.0 Thread; Light
1986	Volkswagen	Jetta	1.8L	L4	N/A	w/ Brown Insulator; M10 X 1.0 Thread; Light
1986	Volkswagen	Vanagon			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1985	Honda	Prelude	1.8L	L4	N/A
1985	Mazda	RX-7			N/A
1985	Volkswagen	Cabriolet	1.8L	L4	N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1985	Volkswagen	Vanagon			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1984	Audi	4000			N/A	w/ Brown Insulator; M10 X 1.0 Thread; Light
1984	Audi	4000 Quattro			N/A	w/ Brown Insulator; M10 X 1.0 Thread; Light
1984	Honda	Prelude			N/A
1984	Volkswagen	Vanagon			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1983	Audi	Coupe			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1983	Honda	Accord			N/A
1983	Honda	Civic			N/A
1983	Honda	Prelude			N/A
1983	Porsche	928	4.7L	V8	N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1983	Volkswagen	Vanagon	1.9L	H4	N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1983	Volkswagen	Vanagon	2.0L	H4	N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1983	Volkswagen	Vanagon	1.6L	L4	N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1982	Audi	Coupe			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1982	Honda	Accord			N/A
1982	Honda	Civic			N/A
1982	Honda	Prelude			N/A
1982	Porsche	924			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1982	Porsche	928			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1982	Volkswagen	Vanagon	2.0L	H4	N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1982	Volkswagen	Vanagon	1.6L	L4	N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1981	Honda	Accord			N/A
1981	Honda	Civic			N/A
1981	Honda	Prelude			N/A
1981	Porsche	924			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1981	Porsche	928			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1981	Volkswagen	Jetta			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1981	Volkswagen	Vanagon	2.0L	H4	N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1980	Honda	Accord			N/A
1980	Honda	Civic			N/A
1980	Honda	Prelude			N/A
1980	Porsche	924			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1980	Porsche	928			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1980	Volkswagen	Rabbit Pickup			N/A	Engine Oil Pressure Switch with Brown Insulator; Light
1980	Volkswagen	Vanagon	2.0L	H4	N/A	w/ Brown Insulator; 1 Blade Term.; Light
1979	Honda	Accord			N/A
1979	Honda	Civic			N/A
1979	Honda	Prelude			N/A
1979	Porsche	924			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1979	Porsche	928			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1979	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1978	Honda	Accord			N/A
1978	Honda	Civic			N/A
1978	Porsche	924			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1978	Porsche	928			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1978	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1977	Honda	Accord			N/A
1977	Honda	Civic			N/A
1977	Porsche	924			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1977	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1976	Honda	Accord			N/A
1976	Honda	Civic			N/A
1976	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch with 1-blade terminal and light
1975	Honda	Civic			N/A
1975	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1974	Honda	Civic			N/A
1974	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1973	Honda	Civic			N/A
1973	Porsche	911			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1973	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1972	Porsche	911			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1972	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1971	Porsche	911			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1971	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1970	Porsche	911			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1970	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1969	Porsche	911			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1969	Toyota	Corolla			N/A
1968	Porsche	911			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1968	Toyota	Corolla			N/A
1968	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1967	Porsche	911			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1967	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1966	Porsche	911			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1966	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1965	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1964	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1963	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1962	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1961	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch fits various car and truck makes and models.
1960	Volkswagen	Beetle			N/A	Engine Oil Pressure Switch with 1-blade terminal and light

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

0032593910219190810344101014113919081A1233686817-05791S6541201-003153-335026-1802800188924445GPS101OP6066OP6066SBPS102PS94S4026V15-99-2015

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.