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Standard Ignition PS-321 Engine Oil Pressure Switch
| Brand | Standard Ignition PS-321 |
|---|---|
| Color | Black, Gold |
| Connector Gender | Female |
| Finish | Dichromate, Plastic |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Fits | Chevrolet, Pontiac, Saab, Saturn, Cadillac, Isuzu, and Daewoo · 102 vehicles |
Oil pressure switch. Monitors engine oil pressure with a single blade terminal.
Dichromate finish. Adds corrosion resistance with a durable plastic housing.
Female connector. Uses a female connector with a male terminal for a secure connection.
Cross-references AP Exhaust 8172, Beck/Arnley 201-1696 and BRExhaust 256-1107 for the same application. See all 29.
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Engine Oil Pressure Switch for OE-Style Monitoring
Standard Ignition PS-321 is an engine oil pressure switch built for direct replacement service on a wide range of import and domestic applications. It uses a single blade terminal with a female connector and male terminal interface for straightforward electrical connection in the engine oil pressure circuit.
Compatible With Chevrolet Aveo, Chevrolet Astra, Saturn Vue, Saab 9-5, and other listed applications, this switch supports accurate oil pressure signal input for the dash warning system or gauge circuit. The black and gold finish with dichromate and plastic construction reflects the component’s OE-style design.
Key Features
- Standard Ignition PS-321 engine oil pressure switch
- Single blade terminal design
- Female connector gender with male terminal gender
- Black and gold color with dichromate and plastic finish
- Direct replacement style for oil pressure circuit service
- Cross-reference example: Beck/Arnley 201-1696
Detailed Description
The Standard Ignition PS-321 is used in engine oil pressure monitoring systems where the switch sends the pressure signal needed for warning lights or gauge operation. It is listed across multiple vehicle platforms, including Chevrolet Aveo, Chevrolet Aveo5, Chevrolet Astra, Pontiac Wave, Saturn Vue, Saab 9-3, Saab 9-5, Cadillac CTS, Isuzu Rodeo, and Suzuki Forenza. This part number, PS-321, is also referenced by several aftermarket and OE-style interchange numbers for the same application.
This part cross-references Beck/Arnley 201-1696 for the same application.
What It Helps Address
- Oil pressure warning light staying on or not responding correctly
- Inaccurate oil pressure gauge readings
- Intermittent oil pressure signal loss at the connector
- Failed switch causing false low-pressure indications
- Replacement needs on vehicles using the PS-321 application
Installation Notes and Tips
Verify the connector style, terminal count, and thread/application match before installation. Inspect the harness connector for corrosion, looseness, or heat damage, since a poor electrical connection can affect oil pressure signal performance. Confirm vehicle-specific fitment for your exact year, make, and model before ordering. Fits 2012-2018 Chevrolet Aveo, 2004-2008 Chevrolet Aveo, 2006-2008 Chevrolet Aveo5, 2007-2008 Chevrolet Astra, 2000-2005 Chevrolet Astra, 2005-2008 Pontiac Wave, 2004-2008 Suzuki Forenza, 2004-2006 Suzuki Verona, 2005 Saab 9-3, 2001-2005 Saturn L300, 2003-2004 Cadillac CTS, 2003 Chevrolet Chevy Monza, 1998-2003 Isuzu Rodeo, 2001-2003 Isuzu Rodeo Sport, 1999-2003 Saab 9-5, 2001-2003 Saturn LW300, 2002-2003 Saturn Vue, 1997-2001 Cadillac Catera, 1998-2000 Isuzu Amigo, 2000 Saturn LS2, 2000 Saturn LW2, 1994-1997 Saab 900, and 1995-1997 Saab 9000.
Quality Assurance
Standard Ignition supplies OE-style replacement electrical components for service applications, and PS-321 is cataloged against multiple interchange numbers for broad application coverage. Always confirm the exact vehicle listing and connector configuration before installation.
This part fits 102 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2018 | Ram | 700 | — | — | N/A | — |
| 2017 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2016 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2015 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2014 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2013 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2012 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2012 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2011 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2010 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2009 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2008 | Chevrolet | Astra | 1.8L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2008 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2008 | Chevrolet | Aveo5 | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2008 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2008 | Pontiac | Wave | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2008 | Suzuki | Forenza | — | — | N/A | — |
| 2007 | Chevrolet | Astra | 1.8L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2007 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2007 | Chevrolet | Aveo5 | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2007 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2007 | Pontiac | Wave | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2007 | Suzuki | Forenza | — | — | N/A | — |
| 2006 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2006 | Chevrolet | Aveo5 | 1.6L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2006 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2006 | Pontiac | Wave | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2006 | Suzuki | Forenza | — | — | N/A | — |
| 2006 | Suzuki | Verona | — | — | N/A | — |
| 2005 | Chevrolet | Astra | 2.0L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2005 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2005 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2005 | Pontiac | Wave | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2005 | Saab | 9-3 | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2005 | Saturn | L300 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2005 | Suzuki | Forenza | — | — | N/A | — |
| 2005 | Suzuki | Verona | — | — | N/A | — |
| 2004 | Cadillac | CTS | 3.2L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2004 | Chevrolet | Astra | 2.0L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2004 | Chevrolet | Aveo | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2004 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2004 | Saturn | L300 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2004 | Suzuki | Forenza | — | — | N/A | — |
| 2004 | Suzuki | Verona | — | — | N/A | — |
| 2003 | Cadillac | CTS | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2003 | Chevrolet | Astra | 1.8L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2003 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2003 | Chevrolet | Chevy Monza | — | — | N/A | — |
| 2003 | Isuzu | Rodeo | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2003 | Isuzu | Rodeo Sport | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2003 | Saab | 9-5 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2003 | Saturn | L300 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2003 | Saturn | LW300 | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2003 | Saturn | Vue | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2002 | Chevrolet | Astra | 1.8L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2002 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2002 | Isuzu | Rodeo | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2002 | Isuzu | Rodeo Sport | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2002 | Saab | 9-5 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2002 | Saturn | L300 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2002 | Saturn | LW300 | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2002 | Saturn | Vue | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2001 | Cadillac | Catera | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2001 | Chevrolet | Astra | 1.8L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2001 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2001 | Isuzu | Rodeo | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2001 | Isuzu | Rodeo Sport | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2001 | Saab | 9-5 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2001 | Saturn | L300 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2001 | Saturn | LW300 | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2000 | Cadillac | Catera | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2000 | Chevrolet | Astra | 1.8L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2000 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2000 | Isuzu | Amigo | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2000 | Isuzu | Rodeo | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2000 | Saab | 9-5 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2000 | Saturn | LS2 | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 2000 | Saturn | LW2 | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1999 | Cadillac | Catera | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1999 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1999 | Isuzu | Amigo | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1999 | Isuzu | Rodeo | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1999 | Saab | 9-5 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1998 | Cadillac | Catera | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1998 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1998 | Isuzu | Amigo | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1998 | Isuzu | Rodeo | 2.2L | L4 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1997 | Cadillac | Catera | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1997 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1997 | Saab | 900 | 2.5L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1997 | Saab | 9000 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1996 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1996 | Saab | 900 | 2.5L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1996 | Saab | 9000 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1996 | Saab | 9000 | 3.0L | V6 | N/A | Compatible with engines that have oil pressure gauges. |
| 1995 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1995 | Saab | 900 | 2.5L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1995 | Saab | 9000 | 3.0L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1995 | Saab | 9000 | 3.0L | V6 | N/A | Compatible with engines that have oil pressure gauges. |
| 1994 | Chevrolet | Chevy | — | — | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| 1994 | Saab | 900 | 2.5L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. |
| No rows match your filter. | ||||||
Directly replaces or cross-references 29 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 8172Beck/Arnley — 201-1696BRExhaust — 256-1107Hella — 003259491Rostra Powertrain Controls — 50-1262Standard Ignition — PS-321VEMO — V40-73-00011S67151S67872-81722OPS00584P-100517-062853-33661503-0030113198450458510336039191391344642083890336039959613508553543780OP6194PS261PS343S4200SBA1049SKPS321