HomeEngine > SwitchesWalker 256-1004 Engine Oil Pressure Switch
Part #: 256-1004

Walker 256-1004 Engine Oil Pressure Switch

Walker Products
⚙️ 304 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products
🚗Fitment: Buick, Cadillac, Chevrolet, and GMC, LaCrosse, CT6, XT5, Camaro, Cruze, Silverado 1500, Spark, Volt, Sierra 1500, Encore, ATS, CTS, Escalade, Escalade ESV, Colorado, Corvette, Malibu, Suburban, Tahoe, Canyon, Yukon, and Yukon XL
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Reliable Engine Oil Pressure Switch for GM Vehicles

The Walker 256-1004 Engine Oil Pressure Switch is designed to provide accurate oil pressure monitoring for a range of Buick, Cadillac, Chevrolet, and GMC models. This essential engine component helps maintain optimal engine performance by ensuring timely oil pressure readings.

  • Compatible with Buick, Cadillac, Chevrolet, and GMC vehicles
  • Part number 256-1004 for precise identification
  • Engine Oil Pressure Switch category for accurate oil pressure monitoring
  • Fits popular models including Silverado 1500, Tahoe, Escalade, Camaro, and more
  • Manufactured by Walker Products, known for quality automotive components

About Walker Products Engine Components

Walker Products offers a comprehensive line of engine switches, solenoids, and actuators designed to meet OEM specifications. The 256-1004 Engine Oil Pressure Switch is part of this product line, ensuring compatibility and reliable performance across multiple GM vehicle platforms. Walker Products focuses on delivering components that support engine health and vehicle safety.

Product Description and Compatibility

The Walker 256-1004 Engine Oil Pressure Switch is engineered to monitor engine oil pressure accurately, providing critical data to the vehicle’s engine control system. This switch is compatible with a wide range of GM vehicles, including Buick LaCrosse, Cadillac CTS, Chevrolet Silverado 1500, GMC Sierra 2500 HD, and many others. Its precise fitment ensures seamless integration and dependable operation within the engine system.

Common Applications and Issues Addressed

  • Detects low oil pressure to prevent engine damage
  • Helps diagnose oil pressure sensor faults
  • Prevents false oil pressure warnings on the dashboard
  • Supports engine control module in maintaining optimal engine function
  • Replaces faulty or worn oil pressure switches to restore accurate readings

Installation Notes and Tips

When installing the Walker 256-1004 Engine Oil Pressure Switch, ensure the engine is cool and the ignition is off. Locate the existing oil pressure switch on the engine block, disconnect the electrical connector, and remove the old switch carefully. Install the new switch by threading it into place and tightening to manufacturer torque specifications. Reconnect the electrical connector and verify proper operation by starting the engine and checking for oil pressure warnings.

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for all engine components, including the 256-1004 Engine Oil Pressure Switch. This part is manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details may vary, Walker Products typically offers coverage against defects in materials and workmanship to support customer confidence.

This part fits 304 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2023BuickEncore GX1.3LL3N/A
2023BuickEnvision2.0LL4N/A
2023CadillacCT43.6LV6N/A
2023CadillacCT56.2LV8N/A
2023CadillacEscalade3.0LL6N/A
2023CadillacEscalade ESV3.0LL6N/A
2023CadillacXT42.0LL4N/A
2023CadillacXT53.6LV6N/A
2023CadillacXT63.6LV6N/A
2023ChevroletBlazer3.6LV6N/A
2023ChevroletCamaro6.2LV8N/A
2023ChevroletEquinox1.5LL4N/A
2023ChevroletExpress 25006.6LV8N/ALocation-Valley Pan Cover
2023ChevroletExpress 35006.6LV8N/ALocation-Valley Pan Cover
2023ChevroletMalibu1.5LL4N/A
2023ChevroletSilverado 15003.0LL6N/A
2023ChevroletSilverado 2500 HD6.6LV8N/A
2023ChevroletSilverado 3500 HD6.6LV8N/A
2023ChevroletTahoe3.0LL6N/A
2023ChevroletTrailblazer1.3LL3N/A
2023GMCAcadia3.6LV6N/A
2023GMCSavana 25006.6LV8N/ALocation-Valley Pan Cover
2023GMCSavana 35006.6LV8N/ALocation-Valley Pan Cover
2023GMCSierra 15003.0LL6N/A
2023GMCSierra 2500 HD6.6LV8N/A
2023GMCSierra 3500 HD6.6LV8N/A
2023GMCTerrain1.5LL4N/A
2023GMCYukon3.0LL6N/A
2023GMCYukon XL3.0LL6N/A
2022BuickEncore1.4LL4N/A
2022BuickEncore GX1.3LL3N/A
2022BuickEnvision2.0LL4N/A
2022CadillacCT43.6LV6N/A
2022CadillacCT56.2LV8N/A
2022CadillacEscalade3.0LL6N/A
2022CadillacEscalade ESV3.0LL6N/A
2022CadillacXT42.0LL4N/A
2022CadillacXT53.6LV6N/A
2022CadillacXT63.6LV6N/A
2022ChevroletBlazer3.6LV6N/A
2022ChevroletCamaro6.2LV8N/A
2022ChevroletColorado3.6LV6N/A
2022ChevroletEquinox1.5LL4N/A
2022ChevroletExpress 25006.6LV8N/ALocation-Valley Pan Cover
2022ChevroletExpress 35006.6LV8N/ALocation-Valley Pan Cover
2022ChevroletMalibu1.5LL4N/A
2022ChevroletSilverado 15003.0LL6N/A
2022ChevroletSilverado 1500 LTD3.0LL6N/A
2022ChevroletSilverado 2500 HD6.6LV8N/A
2022ChevroletSilverado 3500 HD6.6LV8N/A
2022ChevroletSpark1.4LL4N/A
2022ChevroletTahoe3.0LL6N/A
2022ChevroletTrailblazer1.3LL3N/A
2022ChevroletTrax1.4LL4N/A
2022GMCAcadia3.6LV6N/A
2022GMCCanyon3.6LV6N/A
2022GMCSavana 25006.6LV8N/ALocation-Valley Pan Cover
2022GMCSavana 35006.6LV8N/ALocation-Valley Pan Cover
2022GMCSierra 15003.0LL6N/A
2022GMCSierra 1500 Limited3.0LL6N/A
2022GMCSierra 2500 HD6.6LV8N/A
2022GMCSierra 3500 HD6.6LV8N/A
2022GMCTerrain1.5LL4N/A
2022GMCYukon3.0LL6N/A
2022GMCYukon XL3.0LL6N/A
2021BuickEncore1.4LL4N/A
2021BuickEncore GX1.3LL3N/A
2021BuickEnvision2.0LL4N/A
2021CadillacCT42.7LL4N/A
2021CadillacCT53.0LV6N/A
2021CadillacEscalade3.0LL6N/A
2021CadillacEscalade ESV3.0LL6N/A
2021CadillacXT42.0LL4N/A
2021CadillacXT53.6LV6N/A
2021CadillacXT63.6LV6N/A
2021ChevroletBlazer3.6LV6N/A
2021ChevroletCamaro6.2LV8N/A
2021ChevroletColorado3.6LV6N/A
2021ChevroletEquinox1.5LL4N/A
2021ChevroletExpress 25006.6LV8N/A
2021ChevroletExpress 35006.6LV8N/A
2021ChevroletMalibu1.5LL4N/A
2021ChevroletSilverado 15004.3LV6N/A
2021ChevroletSilverado 2500 HD6.6LV8N/A
2021ChevroletSilverado 3500 HD6.6LV8N/A
2021ChevroletSpark1.4LL4N/A
2021ChevroletTahoe3.0LL6N/A
2021ChevroletTrailblazer1.3LL3N/A
2021ChevroletTrax1.4LL4N/A
2021GMCAcadia3.6LV6N/A
2021GMCCanyon3.6LV6N/A
2021GMCSavana 25006.6LV8N/A
2021GMCSavana 35006.6LV8N/A
2021GMCSierra 15004.3LV6N/A
2021GMCSierra 2500 HD6.6LV8N/A
2021GMCSierra 3500 HD6.6LV8N/A
2021GMCTerrain1.5LL4N/A
2021GMCYukon3.0LL6N/A
2021GMCYukon XL3.0LL6N/A
2020BuickEncore GX1.3LL3N/A
2020BuickRegal Sportback3.6LV6N/A
2020CadillacCT42.7LL4N/A
2020CadillacCT53.0LV6N/A
2020CadillacCT63.6LV6N/A
2020CadillacEscalade6.2LV8N/A
2020CadillacEscalade ESV6.2LV8N/A
2020CadillacXT42.0LL4N/AVendor #55488247
2020CadillacXT53.6LV6N/A
2020CadillacXT63.6LV6N/A
2020ChevroletBlazer3.6LV6N/A
2020ChevroletCamaro6.2LV8N/A
2020ChevroletColorado3.6LV6N/A
2020ChevroletEquinox1.5LL4N/A
2020ChevroletExpress 25004.3LV6N/A
2020ChevroletExpress 35004.3LV6N/A
2020ChevroletMalibu1.5LL4N/A
2020ChevroletSilverado 15004.3LV6N/A
2020ChevroletSilverado 2500 HD6.6LV8N/A
2020ChevroletSilverado 3500 HD6.6LV8N/A
2020ChevroletSpark1.4LL4N/A
2020ChevroletTahoe6.2LV8N/A
2020GMCAcadia3.6LV6N/A
2020GMCCanyon3.6LV6N/A
2020GMCSavana 25004.3LV6N/A
2020GMCSavana 35004.3LV6N/A
2020GMCSierra 15004.3LV6N/A
2020GMCSierra 2500 HD6.6LV8N/A
2020GMCSierra 3500 HD6.6LV8N/A
2020GMCTerrain1.5LL4N/A
2020GMCYukon6.2LV8N/A
2020GMCYukon XL6.2LV8N/A
2019BuickCascada1.6LL4N/A
2019BuickEncore1.4LL4N/AFlat/Oval Connector
2019BuickLaCrosse3.6LV6N/A
2019BuickRegal Sportback3.6LV6N/A
2019CadillacATS3.6LV6N/A
2019CadillacCT63.6LV6N/A
2019CadillacCTS3.6LV6N/A
2019CadillacEscalade6.2LV8N/A
2019CadillacEscalade ESV6.2LV8N/A
2019CadillacXT42.0LL4N/AVendor #55488247
2019CadillacXT53.6LV6N/A
2019ChevroletBlazer3.6LV6N/AFlat/Oval Connector
2019ChevroletCamaro6.2LV8N/A
2019ChevroletColorado3.6LV6N/A
2019ChevroletCorvette6.2LV8N/AFlat/Oval Connector
2019ChevroletCruze1.4LL4N/A
2019ChevroletEquinox1.6LL4N/AVendor #55488247
2019ChevroletExpress 25006.0LV8N/AFlat/Oval Connector
2019ChevroletExpress 35006.0LV8N/AFlat/Oval Connector
2019ChevroletMalibu1.8LL4N/A
2019ChevroletSilverado 15004.3LV6N/A
2019ChevroletSilverado 1500 LD5.3LV8N/A
2019ChevroletSilverado 2500 HD6.6LV8N/A
2019ChevroletSilverado 3500 HD6.6LV8N/A
2019ChevroletSpark1.4LL4N/A
2019ChevroletSuburban 3500 HD6.0LV8N/A
2019ChevroletTahoe6.2LV8N/A
2019GMCAcadia3.6LV6N/AFlat/Oval Connector
2019GMCCanyon3.6LV6N/A
2019GMCSavana 25006.0LV8N/AFlat/Oval Connector
2019GMCSavana 35006.0LV8N/AFlat/Oval Connector
2019GMCSierra 15004.3LV6N/A
2019GMCSierra 1500 Limited5.3LV8N/A
2019GMCSierra 2500 HD6.6LV8N/A
2019GMCSierra 3500 HD6.6LV8N/A
2019GMCTerrain1.6LL4N/AVendor #55488247
2019GMCYukon6.2LV8N/A
2019GMCYukon XL6.2LV8N/A
2018BuickCascada1.6LL4N/A
2018BuickEncore1.4LL4N/A
2018BuickLaCrosse3.6LV6N/A
2018CadillacATS3.6LV6N/A
2018CadillacCT63.6LV6N/A
2018CadillacCTS6.2LV8N/A
2018CadillacEscalade6.2LV8N/A
2018CadillacEscalade ESV6.2LV8N/A
2018CadillacXT53.6LV6N/A
2018ChevroletCamaro6.2LV8N/A
2018ChevroletColorado3.6LV6N/A
2018ChevroletCorvette6.2LV8N/A
2018ChevroletCruze1.4LL4N/A
2018ChevroletEquinox1.6LL4N/AVendor #55488247
2018ChevroletExpress 25006.0LV8N/AFlat/Oval Connector
2018ChevroletExpress 35006.0LV8N/AFlat/Oval Connector
2018ChevroletMalibu1.8LL4N/A
2018ChevroletSilverado 15006.2LV8N/A
2018ChevroletSilverado 2500 HD6.6LV8N/A
2018ChevroletSilverado 3500 HD6.6LV8N/A
2018ChevroletSpark1.4LL4N/A
2018ChevroletTahoe6.2LV8N/A
2018ChevroletVolt1.5LL4N/A
2018GMCAcadia3.6LV6N/A
2018GMCCanyon3.6LV6N/A
2018GMCSavana 25006.0LV8N/AFlat/Oval Connector
2018GMCSavana 35006.0LV8N/AFlat/Oval Connector
2018GMCSierra 15006.2LV8N/A
2018GMCSierra 2500 HD6.6LV8N/A
2018GMCSierra 3500 HD6.6LV8N/A
2018GMCTerrain1.6LL4N/AVendor #55488247
2018GMCYukon6.2LV8N/A
2018GMCYukon XL6.2LV8N/A
2017BuickCascada1.6LL4N/A
2017BuickEncore1.4LL4N/A
2017BuickLaCrosse3.6LV6N/AWalker Products
2017CadillacATS3.6LV6N/A
2017CadillacCT63.6LV6N/AWalker Products
2017CadillacCT63.0LV6N/AWalker Products
2017CadillacCTS6.2LV8N/A
2017CadillacEscalade6.2LV8N/A
2017CadillacEscalade ESV6.2LV8N/A
2017CadillacXT53.6LV6N/AWalker Products
2017ChevroletCamaro6.2LV8N/AWalker Products
2017ChevroletCamaro3.6LV6N/AWalker Products
2017ChevroletColorado3.6LV6N/A
2017ChevroletCorvette6.2LV8N/A
2017ChevroletCruze1.6LL4DIESELN/AWalker Products
2017ChevroletCruze1.4LL4N/AWalker Products
2017ChevroletExpress 25006.0LV8N/AFlat/Oval Connector
2017ChevroletExpress 35006.0LV8N/AFlat/Oval Connector
2017ChevroletMalibu1.8LL4N/A
2017ChevroletSilverado 15006.2LV8N/AWalker Products
2017ChevroletSilverado 15005.3LV8N/AWalker Products
2017ChevroletSilverado 15004.3LV6FLEXN/AWalker Products
2017ChevroletSilverado 2500 HD6.6LV8N/A
2017ChevroletSilverado 3500 HD6.6LV8N/A
2017ChevroletSpark1.4LL4N/AWalker Products
2017ChevroletTahoe5.3LV8N/A
2017ChevroletVolt1.5LL4N/AWalker Products
2017GMCAcadia3.6LV6N/A
2017GMCCanyon3.6LV6N/A
2017GMCSavana 25006.0LV8N/AFlat/Oval Connector
2017GMCSavana 35006.0LV8N/AFlat/Oval Connector
2017GMCSierra 15006.2LV8N/AWalker Products
2017GMCSierra 15005.3LV8N/AWalker Products
2017GMCSierra 15004.3LV6FLEXN/AWalker Products
2017GMCSierra 2500 HD6.6LV8N/A
2017GMCSierra 3500 HD6.6LV8N/A
2017GMCYukon6.2LV8N/A
2017GMCYukon XL6.2LV8N/A
2016BuickCascada1.6LL4N/A
2016BuickEncore1.4LL4N/AWalker Products
2016CadillacATS3.6LV6N/AWalker Products
2016CadillacATS2.5LL4N/AWalker Products
2016CadillacATS2.0LL4N/AWalker Products
2016CadillacCT63.6LV6N/AWalker Products
2016CadillacCT63.0LV6N/AWalker Products
2016CadillacCT62.0LL4N/AWalker Products
2016CadillacCTS6.2LV8N/AWalker Products
2016CadillacCTS3.6LV6N/AWalker Products
2016CadillacCTS2.0LL4N/AWalker Products
2016CadillacEscalade6.2LV8N/AWalker Products
2016CadillacEscalade ESV6.2LV8N/AWalker Products
2016ChevroletCamaro3.6LV6N/AWalker Products
2016ChevroletCamaro6.2LV8N/AWalker Products
2016ChevroletCamaro2.0LL4N/AWalker Products
2016ChevroletColorado3.6LV6N/AWalker Products
2016ChevroletColorado2.8LL4DIESELN/AWalker Products
2016ChevroletColorado2.5LL4N/AWalker Products
2016ChevroletCorvette6.2LV8N/AWalker Products
2016ChevroletCruze1.4LL4N/AWalker Products
2016ChevroletMalibu2.0LL4N/AWalker Products
2016ChevroletMalibu1.8LL4ELECTRIC/GASN/AWalker Products
2016ChevroletMalibu1.5LL4N/AWalker Products
2016ChevroletSilverado 15006.2LV8N/AWalker Products
2016ChevroletSilverado 15005.3LV8N/AWalker Products
2016ChevroletSilverado 15004.3LV6FLEXN/AWalker Products
2016ChevroletSpark1.4LL4N/AWalker Products
2016ChevroletTahoe5.3LV8N/AWalker Products
2016ChevroletVolt1.5LL4N/AWalker Products
2016GMCCanyon3.6LV6N/AWalker Products
2016GMCCanyon2.8LL4DIESELN/AWalker Products
2016GMCCanyon2.5LL4N/AWalker Products
2016GMCSierra 15006.2LV8N/AWalker Products
2016GMCSierra 15005.3LV8N/AWalker Products
2016GMCSierra 15004.3LV6FLEXN/AWalker Products
2016GMCYukon6.2LV8N/AWalker Products
2016GMCYukon5.3LV8N/AWalker Products
2016GMCYukon XL6.2LV8N/AWalker Products
2016GMCYukon XL5.3LV8N/AWalker Products
2015CadillacCTS3.6LV6GASN/AIncl.Seal; Walker Products
2015CadillacCTS2.0LL4N/AWalker Products
2015CadillacEscalade6.2LV8N/AWalker Products
2015CadillacEscalade ESV6.2LV8N/AWalker Products
2015ChevroletCorvette6.2LV8N/AWalker Products
2015ChevroletSilverado 15006.2LV8N/AWalker Products
2015ChevroletSilverado 15005.3LV8N/AWalker Products
2015ChevroletSilverado 15004.3LV6FLEXN/AWalker Products
2015ChevroletTahoe5.3LV8N/AWalker Products
2015GMCSierra 15006.2LV8N/AWalker Products
2015GMCSierra 15005.3LV8N/AWalker Products
2015GMCSierra 15004.3LV6FLEXN/AWalker Products
2015GMCYukon6.2LV8N/AWalker Products
2015GMCYukon5.3LV8N/AWalker Products
2015GMCYukon XL6.2LV8N/AWalker Products
2015GMCYukon XL5.3LV8N/AWalker Products
2014CadillacCTS3.6LV6N/AWalker Products
2014ChevroletCorvette6.2LV8N/AWalker Products
2014ChevroletSilverado 15006.2LV8N/AWalker Products
2014ChevroletSilverado 15005.3LV8N/AWalker Products
2014ChevroletSilverado 15004.3LV6FLEXN/AWalker Products
2014GMCSierra 15006.2LV8N/AWalker Products
2014GMCSierra 15005.3LV8N/AWalker Products
2014GMCSierra 15004.3LV6FLEXN/AWalker Products

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12635397126373561S12693PS623PS807S4623

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.