Standard Ignition PS668 Engine Oil Pressure Switch

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Standard Ignition PS668 Engine Oil Pressure Switch

Brand	Standard Ignition PS668
Color	Green
Connector Gender	Female
Terminal Gender	Male
Terminal Type	Blade
Fits	Audi · 3 vehicles

Oil pressure switch. Monitors engine oil pressure with a blade-terminal, single-connector design.

Female connector. Two male terminals provide a secure electrical connection.

Green finish. Easy-to-identify color helps simplify part selection.

Cross-references Standard Ignition PS668, OP7663 and S4663 for the same application. See all 3.

$21.63Free shipping

In stock · usually ships same day before 1pm CST

Step 1 — Confirm fitment

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Step 2 — Quantity

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Free returns within 60 days if it doesn't fit when fitment is verified.

Not what you need? See all Engine Oil Pressure Switch options

Engine Oil Pressure Switch for Audi A3

Standard Ignition PS668 is an engine oil pressure switch built for direct-fit service on select Audi A3 applications. It uses a green housing, a female connector, and a 2-blade male terminal layout to match the specified electrical connection style.

Key Features

Engine oil pressure switch for engine management and warning-light circuits
Green housing with 1 connector and 2 terminals
Blade terminal design with female connector and male terminals
Fits select 2013 and 2015-2016 Audi A3 models
Standard Ignition PS668 for application-specific replacement

Detailed Product Information

Standard Ignition PS668 is an engine oil pressure switch for select Audi A3 vehicles, including 2013 Audi A3 and 2015-2016 Audi A3 applications. The switch is specified with a green body, one connector, two terminals, a female connector gender, and male blade terminals, which helps ensure the electrical interface matches the original configuration. This part cross-references OP7663 and S4663 for the same application.

What This Part Helps Address

Oil pressure warning light staying on or triggering incorrectly
Intermittent oil pressure signal to the instrument cluster
Faulty switch readings caused by worn internal contacts
Electrical connection issues at the oil pressure switch connector
Replacement needs during engine electrical diagnostics on Audi A3 models

Installation Notes and Tips

Verify the connector style, terminal count, and vehicle application before installation. For best results, compare the removed switch to the new Standard Ignition PS668 unit and confirm the Audi A3 model year listed in the fitment data. Clean the mounting area and inspect the harness connector for corrosion or damaged terminals before reconnecting.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. PS668 is built to match the specified fitment and connection details for the listed Audi A3 applications.

This part fits 3 vehicles

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

Year	Make	Model	Liters	Cylinders	Fuel Type	Position	Notes
2016	Audi	A3	2.0L	L4	DIESEL	N/A	Brown; 2 Blade Term.; Light
2015	Audi	A3	2.0L	L4	DIESEL	N/A	Brown; 2 Blade Term.; Light
2013	Audi	A3	2.0L	L4	—	N/A	Brown; 2 Blade Term.; Light
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Directly replaces or cross-references 3 part numbers

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

Standard Ignition — PS668OP7663S4663