Standard Ignition PS-491 Engine Oil Pressure Switch

Reliable Engine Oil Pressure Switch for Audi, Porsche, Volkswagen

The Standard Ignition PS-491 Engine Oil Pressure Switch is designed to provide accurate oil pressure monitoring for select Audi, Porsche, and Volkswagen models. Engineered with durable materials and precise connectors, this switch ensures reliable performance in critical engine systems.

• Compatible with Audi A4 Quattro, A5, A5 Quattro, A6, A6 Quattro, Porsche Panamera, Volkswagen Q5, Q7, S4, SQ5, and Touareg
• Features a black and chrome finish with dichromate and plastic components for corrosion resistance
• Equipped with a blade terminal type and two male terminals for secure electrical connections
• Includes one female oval-shaped socket connector for easy integration
• Sensor-only design optimized for engine oil pressure monitoring

Product Details and Specifications

The PS-491 Engine Oil Pressure Switch from Standard Ignition is constructed with a combination of black and chrome finishes, utilizing dichromate plating and plastic materials to resist wear and environmental factors. It features a blade terminal type with two male terminals, ensuring a stable and reliable electrical connection. The switch includes a single female oval-shaped socket connector, designed to fit securely with compatible wiring harnesses. This sensor-only component is intended for precise oil pressure detection, critical for engine health monitoring in vehicles such as the Audi A4 Quattro and Porsche Panamera.

Common Applications and Problem Resolution

• Detects low or fluctuating engine oil pressure to prevent engine damage
• Replaces faulty or worn oil pressure switches causing inaccurate gauge readings
• Resolves oil pressure warning light issues in Audi, Porsche, and Volkswagen models
• Helps maintain proper engine lubrication monitoring for optimal performance
• Prevents engine shutdowns related to oil pressure sensor failures

Installation Notes and Tips

When installing the Standard Ignition PS-491, ensure the engine is cool and the ignition is off before removal of the old switch. Verify the connector type matches the vehicle’s wiring harness—this switch uses a female oval socket connector with blade terminals. Tighten the switch to manufacturer torque specifications to avoid leaks or damage. It is recommended to inspect the wiring and connectors for corrosion or damage during installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The PS-491 Engine Oil Pressure Switch undergoes rigorous quality control to maintain consistent performance. Please refer to Standard Ignition’s warranty policy for coverage details.