Walker 256-1078 Engine Oil Pressure Switch

Engine Oil Pressure Switch for Audi and Volkswagen

Walker 256-1078 is an OE replacement engine oil pressure switch built to monitor oil pressure and send a warning signal when pressure drops below safe limits. It is designed for direct replacement in factory locations on select Audi and Volkswagen applications, including Audi R8, A8 Quattro, Q7, S5, S6, S8, A6 Quattro and Volkswagen Touareg models.

Key Features

• OE replacement oil pressure switch for engine lubrication monitoring
• Matches OE specifications for pressure threshold, thread size, terminal type, and electrical response
• Plastic body with black finish for factory-style fitment
• 1 female connector and 1 male terminal for direct wiring connection
• Built with high-temperature and oil-resistant materials for engine bay exposure
• Walker part number 256-1078 for easy identification

Detailed Description

Walker Products 256-1078 is an engine oil pressure switch that monitors lubrication system pressure and reports low-pressure conditions to the ECU or dashboard warning circuit. On Audi and Volkswagen vehicles, this switch threads into the original mounting location and connects to the existing harness without modification. The design follows OE requirements for electrical response and physical dimensions, helping maintain accurate oil pressure warning function on vehicles such as the 2008-2012 Audi R8, 2008-2017 Volkswagen Touareg, and 2008-2010 Audi Q7. This part cross-references a limited number of OE-style applications for the same use case.

Common Issues It May Solve

• Oil warning light flickering or staying on
• False low-oil-pressure alerts
• No warning signal during an actual pressure drop
• Faulty oil pressure switch electrical response
• Intermittent dashboard oil pressure warnings

Installation Notes and Tips

Install the switch in the factory oil pressure switch location, typically on the engine block or oil filter housing, and verify the connector style before installation. Confirm the vehicle’s year, make, model, and any VIN breakpoints listed for 2007 Audi A6 Quattro, A8 Quattro, Q7, S6, and S8 applications. For best results, inspect the harness connector and sealing surface before connecting the new switch. Fits 2020-2023 Audi R8, 2017-2018 Audi R8, 2014-2015 Audi R8, 2008-2012 Audi R8, 2008-2017 Volkswagen Touareg, 2012-2016 Audi A8 Quattro, 2008-2012 Audi S5, 2008-2011 Audi A6 Quattro, 2008-2011 Audi S6, 2008-2010 Audi A8 Quattro, 2008-2010 Audi Q7, 2008-2009 Audi S8, 2007 Audi A6 Quattro, 2007 Audi A8 Quattro, 2007 Audi Q7, 2007 Audi S6, and 2007 Audi S8.

Quality Assurance

Walker Products manufactures this oil pressure switch to OE replacement standards, with attention to pressure calibration, terminal configuration, and engine-bay durability. The part is built for consistent electrical signaling under prolonged heat and oil exposure.