Walker 256-1226 Engine Oil Pressure Switch

Engine Oil Pressure Switch for OE-Style Monitoring

Walker 256-1226 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 select Audi and Volkswagen applications, including Audi A4, A6, TT Quattro, and Volkswagen Passat, Golf, Jetta, and EuroVan models.

• OE replacement engine oil pressure switch for factory-style warning function
• Metal and plastic construction with a black finish
• Blade terminal design, 1 terminal, male terminal gender
• Built to match OE pressure thresholds, thread size, terminal type, and electrical response
• High-temperature and oil-resistant materials for engine bay exposure
• Direct-fit replacement for factory mounting locations such as the engine block or oil filter housing

Fitment and Application Details

Compatible with a wide range of Volkswagen and Audi vehicles across 1995-2012 model years. Fitment includes 2009-2012 Audi Q7, 2009-2012 Volkswagen Touareg, 2008-2009 Audi A3 Quattro, 2009 Audi TT Quattro, 2009 Volkswagen CC, 2008 Audi TT Quattro, 2004-2006 Audi TT Quattro, 2007-2008 Volkswagen Eos, 2006-2008 Volkswagen Passat, 1998 Volkswagen Passat, 2008 Volkswagen R32, 2006-2007 Audi A3 Quattro, 1998-1999 Audi A4, 1998-1999 Audi A4 Quattro, 1998-1999 Audi A6, 1999 Audi A6 Quattro, 1999 Volkswagen Passat, 1997-1998 Audi A6 Quattro, 1997-1998 Audi Cabriolet, 1995-1998 Volkswagen Golf, 1995-1998 Volkswagen Jetta, 1997 Audi A4, 1997 Audi A4 Quattro, 1997 Audi A6, 1997 Volkswagen EuroVan, 1995-1997 Volkswagen Passat, and 1995 Audi S6.

This part number, Walker 256-1226, is a direct OE-style replacement for vehicles that use a 1-pin oil pressure switch configuration. It cross-references no additional part numbers in the provided data.

What This Part Helps Address

• Oil warning light flickering or staying on
• False low-oil-pressure warnings
• No warning signal when actual oil pressure drops
• Faulty ECU or dashboard oil pressure input
• Intermittent oil pressure switch electrical response

Installation Notes and Tips

Install the switch in the factory location and verify the thread and terminal style before replacement. The 1-pin design and blade terminal connection are intended to mate with existing wiring without modification. On Audi A4, Audi A6, Volkswagen Passat, and related applications, confirm the chassis/VIN notes listed for the exact model year before ordering. Walker 256-1226 should be checked against the original switch’s pressure rating and connector style during diagnosis.

Quality Assurance

Walker Products manufactures this oil pressure switch to OE specifications for pressure threshold, fit, and electrical response. The unit uses materials selected for heat and oil exposure in engine service, supporting consistent warning-system operation in the lubrication circuit.