Calorstat OS3513 Engine Oil Pressure Switch

Engine Oil Pressure Switch for Saab and Porsche

The Calorstat OS3513 is an engine oil pressure switch for select Saab and Porsche applications. It uses a 0.4 bar pressure rating and an M14x1.5 thread, making it a direct-fit service part for vehicles that rely on accurate oil pressure signaling.

Key Features

• Engine oil pressure switch for monitored oil pressure warning circuits
• 0.4 bar pressure rating
• M14x1.5 thread specification
• Fits select Saab 9-5, Saab 9-3, Saab 900, Saab 9000, Porsche Boxster, and Porsche Cayman applications
• Calorstat OS3513 part number for catalog matching and cross-reference lookup

Detailed Description

Calorstat OS3513 is an engine oil pressure switch used in applications where the vehicle’s warning system depends on a precise pressure threshold. It fits 1999-2009 Saab 9-5, 1997-2008 Porsche Boxster, 2006-2008 Porsche Cayman, 1999-2003 Saab 9-3, 1979-1998 Saab 900, and 1986-1998 Saab 9000. The switch is specified with a 0.4 bar activation point and M14x1.5 thread, which are important details when matching the correct replacement to the original unit.

This part cross-references 113109 and 1252506 for the same application.

Common Uses

• Replacing a failed oil pressure warning switch
• Restoring proper dashboard oil pressure warning operation
• Addressing oil pressure light behavior caused by switch wear
• Matching the correct thread and pressure rating during engine service

Installation Notes and Tips

Verify the original pressure rating and thread size before installation. Confirm the connector style and mounting location on the engine, then compare the existing part number against OS3513 to ensure the correct fit for your Saab or Porsche application.

Quality Assurance

Calorstat is an established engine management and thermal control brand, and OS3513 is cataloged with OE-style fitment references for select Saab and Porsche vehicles.