Walker 256-1252 Engine Oil Pressure Switch

Walker 256-1252 Oil Pressure Switch

Walker 256-1252 is an OE replacement engine oil pressure switch built to monitor lubrication pressure and send the proper signal to the ECU or dash warning circuit when pressure drops below safe limits. It is a direct-fit solution for 2003-2006 Porsche Cayenne applications that need accurate oil pressure monitoring.

Key Features

• OE replacement engine oil pressure switch for factory-style operation
• Fits 2003-2006 Porsche Cayenne, N/A
• Brown housing with 1 blade terminal
• 1 female connector and 1 male terminal for direct electrical connection
• Built with oil-resistant, high-temperature materials for engine bay exposure
• Matches OE specifications for pressure threshold, thread size, terminal type, and electrical response
• Part number 256-1252 for service and repair identification

Application Details

This Walker oil pressure switch is engineered for the 2003-2006 Porsche Cayenne and threads into the factory mounting location, typically on the engine block or oil filter housing. Part number 256-1252 is specified to match the original electrical response and connection style, helping maintain accurate oil pressure warning function in the lubrication system.

What It Helps Resolve

• Oil warning light flickering or intermittent illumination
• False low-oil-pressure warnings
• No signal to the ECU or dash warning circuit during actual low pressure
• Faulty oil pressure switch diagnosis during drivability repair
• Oil pressure monitoring issues during engine service or rebuild work

Installation Notes

Install the switch in the original threaded location and connect the existing wiring to the single blade terminal. Verify thread size, terminal style, and connector orientation before installation. For 2003-2006 Porsche Cayenne oil pressure switch replacement, confirm the electrical connector seats fully and inspect the surrounding harness for heat or oil damage.

Quality Assurance

Walker manufactures this switch to OE specifications for fit and electrical response, using materials selected for prolonged exposure to heat and engine oil. Part number 256-1252 is built for direct replacement service in Porsche Cayenne oil pressure switch applications.