Engine Oil Pressure Switch

Part Number 256-1006 (100346648)

UPC: 724620205842

Package contents: 1 Each per Box

Select vehicle for guaranteed fit

Color

Unavailable

Description

Walker Products Engine Oil Pressure Switches are OE Replacement components engineered to monitor oil pressure and alert the ECU or driver when levels fall below safe limits. These switches serve as critical warning devices that activate dashboard lights or feed signals to engine control systems when oil pressure drops, helping prevent severe internal damage due to lack of lubrication. Common symptoms of failure include oil light flickering, false warnings, or lack of signal under actual low-pressure conditions. Walker switches are manufactured to match OE specifications for pressure thresholds, thread size, terminal type, and electrical response. Each unit is built with high-temperature and oil-resistant materials to ensure consistent performance under prolonged engine exposure. Designed for exact OE fit, these switches thread directly into the factory location—typically the engine block or oil filter housing—and connect to existing wiring with no modifications. Whether used as part of a scheduled service, drivability repair, or engine rebuild, Walker Oil Pressure Switches provide dependable pressure monitoring and help extend engine life by maintaining early warning functionality within the lubrication system.

Fitment

This part fits the following vehicles.

BMW

2008-2013 128i
2008-2010 135i
2011 1 Series M
1985, 1991-1998 318i
1991-1997 318is
1995-1999 318ti
2000 323Ci
1998-2000 323i
1998-1999 323is
1987-1988 325
2001-2006 325Ci
1987 325e
1987 325es
1987-1995, 2001-2006 325i
1987-1995 325is
1988-1991 325iX
2001-2006 325xi
2000 328Ci
2014-2018 328d
2014-2018 328d xDrive
1996-2000, 2007-2013 328i
1996-1999 328is
2009-2013 328i xDrive
2007-2008 328xi
2001-2006 330Ci
2001-2006 330i
2001-2006 330xi
2009-2011 335d
2007-2011 335i
2011-2013 335is
2009-2011 335i xDrive
2007-2008 335xi
1989-1995, 2001-2007 525i
2006-2007 525xi
1988 528e
1997-2000, 2008-2011 528i
2009-2010 528i xDrive
2008 528xi
1994-1995, 2001-2007 530i
2006-2007 530xi
2014-2016 535d
2014-2016 535d xDrive
1989-1993, 2008-2010 535i
2009-2010 535i xDrive
2008 535xi
1994-1995, 1998-2003 540i
2004-2005 545i
2006-2016 550i
2010-2015 550i GT
2010-2017 550i GT xDrive
2011-2016 550i xDrive
1988-1989 635CSi
2004-2005 645Ci
2006-2010, 2012-2018 650i
2013-2019 650i Gran Coupe
2012-2018 650i xDrive
2013-2019 650i xDrive Gran Coupe
1988-1992 735i
1988-1992 735iL
1993-1994, 1998-2001, 2011-2012 740i
1993-1994, 1998-2001 740iL
2015 740Ld xDrive
2011-2012 740Li
2002-2005 745i
2002-2005 745Li
2006-2015 750i
1998-2001 750iL
2010-2015 750i xDrive
2006-2015 750Li
2010-2015 750Li xDrive
2004-2006 760i
2003-2008, 2010-2015 760Li
2015-2019 Alpina B6 xDrive Gran Coupe
2007-2008, 2011-2015 Alpina B7
2011-2015 Alpina B7L
2011-2015 Alpina B7L xDrive
2011-2015 Alpina B7 xDrive
1988-1991, 1995-1999, 2001-2006, 2008-2013 M3
1988, 1991-1993, 2000-2003, 2013-2016 M5
1987-1988, 2012-2018 M6
2014-2019 M6 Gran Coupe
2004-2012, 2015-2017 X3
2000-2018 X5
2008-2019 X6
1996-2002 Z3
2003-2016 Z4
2000-2003 Z8

MG

2020-2024 MG5
2020-2024 ZS

Features & benefits

OE Replacement Calibration: Matches original specs for pressure activation point, thread pitch, and electrical response.
Exact OE Fit: Installs directly in the factory location using original threads and connectors—no modifications required.
Engineered for Harsh Conditions: Built to resist high temperatures, oil exposure, and vibration in demanding engine environments.
Monitors Oil Pressure Levels: Activates dashboard warning or ECU input when oil pressure falls below safe operating thresholds.
Prevents Engine Damage: Helps protect vital components by alerting the driver or system to low oil pressure conditions.

Specifications

Color	Black/Gray
Connector Gender	Female
Connector Quantity	1
Connector Shape	Oblong
Country Of Origin	CN
Grade Type	Standard Replacement
Material	Plastic/Steel
Street Legal	Yes
Terminal Gender	Male
Terminal Quantity	1
Terminal Type	Spade

Warranty

1 Year