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Engine Oil Pressure Switch

Part Number 256-1008 (100346649)
$36.03
In stockShips by 15th Oct
Select vehicle for guaranteed fit

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.

MADE IN USA

Fitment

This part fits the following vehicles.

  • 1992-1996 Dodge Viper
  • 1997-2005 Buick Park Avenue
  • 2000-2005 Buick LeSabre
  • 2000-2005 Pontiac Bonneville
  • 2003-2005 Chevrolet Express 2500
  • 2003-2005 GMC Savana 2500
  • 2003-2013 Chevrolet Silverado 1500
  • 2003-2013 GMC Sierra 1500
  • 2003-2014 Chevrolet Express 1500
  • 2003-2014 GMC Savana 1500
  • 2007 Chevrolet Silverado 1500 Classic
  • 2007 GMC Sierra 1500 Classic

Features & benefits

  • 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.
  • OE Replacement Calibration: Matches original specs for pressure activation point, thread pitch, and electrical response.
  • Prevents Engine Damage: Helps protect vital components by alerting the driver or system to low oil pressure conditions.

Specifications

Color Black
Connector Gender Female
Connector Quantity 1
Country Of Origin USA
Length 47.00
Material Plastic
Street Legal Yes
Terminal Gender Male
Terminal Quantity 3
Terminal Type Pin

Warranty

1 Year

Magnuson-Moss Warranty Act

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).

$36.03

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