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Part #: US-331

Standard Ignition US-331 Ignition Switch

⚙️ 195 vehicles fit this part
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🚗Fitment: Chevrolet, GMC, Buick, Hummer, Cadillac, Pontiac, and Oldsmobile, Express 1500, Express 2500, Express 3500, Trailblazer, Envoy, Rainier, Rendezvous, Silverado 1500 Classic, Silverado 2500, Silverado 2500 HD Classic, Silverado 3500 Classic, Savana 1500, Savana 2500, Savana 3500, Sierra 1500 Classic, Sierra 1500 HD Classic, Sierra 2500 HD Classic, Sierra 3500 Classic, Sierra 3500 HD, H2, Escalade, Escalade ESV, Escalade EXT, Avalanche 1500, Avalanche 2500, Silverado 1500, Silverado 1500 HD, Silverado 2500 HD, Silverado 3500, SSR, Suburban 1500, Suburban 2500, Tahoe, Trailblazer EXT, Envoy XL, Sierra 1500, Sierra 1500 HD, Sierra 2500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500, H1, Envoy XUV, Aztek, Sierra 2500, and Bravada
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Overview of Standard Ignition US-331 Ignition Switch

The Standard Ignition US-331 ignition switch is designed for reliable performance in a range of GM vehicles including Chevrolet, GMC, Cadillac, and more. This ignition switch features a snap fit attachment method and is engineered for column mounting, ensuring a secure and precise installation.

  • Attachment Method: Snap fit for easy installation
  • Color: Black and gray finish with durable plastic construction
  • Connector: One female rectangular connector for secure electrical connection
  • Terminals: Seven male blade terminals for reliable contact
  • Mounting Location: Designed specifically for column installation

Detailed Product Description

The Standard Ignition US-331 ignition switch is built to meet the exact specifications required for various GM models such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, and Hummer H2. Its plastic finish and snap fit attachment method allow for a straightforward replacement process without compromising durability. The switch includes a single female rectangular connector and seven male blade terminals, providing a stable and consistent electrical connection necessary for proper ignition system function.

Compatible Vehicles and Applications

This ignition switch is compatible with a wide range of General Motors vehicles, including but not limited to:

  • Chevrolet Avalanche 1500 and 2500
  • GMC Sierra 1500, 2500, and 3500 series
  • Cadillac Escalade, Escalade ESV, and Escalade EXT
  • Hummer H1 and H2
  • Buick Rainier and Rendezvous
  • Oldsmobile Bravada
  • Pontiac Aztek
  • GMC Envoy and Envoy XL
  • Chevrolet Suburban 1500 and 2500

Common Issues Addressed by This Ignition Switch

  • Intermittent or no start conditions due to faulty ignition switch contacts
  • Ignition key not turning or sticking in the column
  • Electrical failures causing dashboard lights to flicker or not illuminate
  • Loss of power to ignition system components
  • Wear and tear from prolonged use leading to unreliable ignition engagement

Installation Notes and Tips

  • Ensure the vehicle battery is disconnected before beginning installation to prevent electrical shorts
  • Use the snap fit attachment method to secure the switch firmly in the steering column
  • Verify connector orientation and terminal alignment before finalizing installation
  • Consult the vehicle’s service manual for specific removal and installation procedures
  • Test the ignition switch operation before reassembling the steering column covers

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The US-331 ignition switch undergoes rigorous quality control testing to maintain consistent performance. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

BrandStandard Ignition
Part NumberUS-331
Attachment MethodSnap Fit
ColorBlack, Gray
Connector GenderFemale
Connector ShapeRectangular
FinishPlastic
Mounting LocationColumn
Terminal GenderMale
Terminal TypeBlade

This part fits 195 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011ChevroletExpress 1500N/Aw/ Lock Cyl. Control Solenoid
2011ChevroletExpress 2500N/Aw/ Lock Cyl. Control Solenoid
2011ChevroletExpress 3500N/Aw/ Lock Cyl. Control Solenoid
2010ChevroletExpress 1500N/Aw/ Lock Cyl. Control Solenoid
2010ChevroletExpress 2500N/Aw/ Lock Cyl. Control Solenoid
2010ChevroletExpress 3500N/Aw/ Lock Cyl. Control Solenoid
2009ChevroletExpress 1500N/Aw/ Lock Cyl. Control Solenoid
2009ChevroletExpress 2500N/Aw/ Lock Cyl. Control Solenoid
2009ChevroletExpress 3500N/Aw/ Lock Cyl. Control Solenoid
2009ChevroletTrailblazerN/A
2009GMCEnvoyN/A
2008ChevroletExpress 1500N/Aw/ Lock Cyl. Control Solenoid
2008ChevroletExpress 2500N/Aw/ Lock Cyl. Control Solenoid
2008ChevroletExpress 3500N/Aw/ Lock Cyl. Control Solenoid
2008ChevroletTrailblazerN/A
2008GMCEnvoyN/A
2007BuickRainierN/A
2007BuickRendezvousN/A
2007ChevroletExpress 1500N/Aw/ Lock Cyl. Control Solenoid
2007ChevroletExpress 2500N/Aw/ Lock Cyl. Control Solenoid
2007ChevroletExpress 3500N/Aw/ Lock Cyl. Control Solenoid
2007ChevroletSilverado 1500 ClassicN/Aw/ Lock Cyl. Control Solenoid
2007ChevroletSilverado 25004.8LV8N/A
2007ChevroletSilverado 25005.3LV8N/A
2007ChevroletSilverado 2500 HD ClassicN/Aw/ Lock Cyl. Control Solenoid
2007ChevroletSilverado 3500 ClassicN/A
2007ChevroletTrailblazerN/A
2007GMCEnvoyN/A
2007GMCSavana 1500N/A
2007GMCSavana 2500N/A
2007GMCSavana 3500N/A
2007GMCSierra 1500 ClassicN/A
2007GMCSierra 1500 HD ClassicN/A
2007GMCSierra 2500 HD ClassicN/A
2007GMCSierra 3500 Classic8.1LV8N/A
2007GMCSierra 3500 Classic6.6LV8N/A
2007GMCSierra 3500 Classic6.0LV8N/A
2007GMCSierra 3500 HD6.0LV8N/A
2007GMCSierra 3500 HD6.6LV8N/A
2007HummerH2N/A
2006BuickRainierN/A
2006BuickRendezvousN/A
2006CadillacEscaladeN/A
2006CadillacEscalade ESVN/A
2006CadillacEscalade EXTN/A
2006ChevroletAvalanche 1500N/A
2006ChevroletAvalanche 2500N/A
2006ChevroletExpress 1500N/Aw/ Lock Cyl. Control Solenoid
2006ChevroletExpress 2500N/Aw/ Lock Cyl. Control Solenoid
2006ChevroletExpress 3500N/Aw/ Lock Cyl. Control Solenoid
2006ChevroletSilverado 1500N/A
2006ChevroletSilverado 1500 HDN/A
2006ChevroletSilverado 25005.3LV8N/A
2006ChevroletSilverado 2500 HDN/A
2006ChevroletSilverado 3500N/A
2006ChevroletSSRN/A
2006ChevroletSuburban 1500N/A
2006ChevroletSuburban 2500N/A
2006ChevroletTahoeN/A
2006ChevroletTrailblazerN/A
2006ChevroletTrailblazer EXTN/A
2006GMCEnvoyN/A
2006GMCEnvoy XLN/A
2006GMCSavana 1500N/A
2006GMCSavana 2500N/A
2006GMCSavana 3500N/A
2006GMCSierra 1500N/A
2006GMCSierra 1500 HDN/A
2006GMCSierra 2500 HDN/A
2006GMCSierra 35008.1LV8N/A
2006GMCSierra 35006.0LV8N/A
2006GMCSierra 35006.6LV8N/A
2006GMCYukonN/A
2006GMCYukon XL 1500N/A
2006GMCYukon XL 2500N/A
2006HummerH1N/A
2006HummerH2N/A
2005BuickRainierN/A
2005BuickRendezvousN/A
2005CadillacEscaladeN/A
2005CadillacEscalade ESVN/A
2005CadillacEscalade EXTN/A
2005ChevroletAvalanche 1500N/A
2005ChevroletAvalanche 2500N/A
2005ChevroletExpress 1500N/Aw/ Lock Cyl. Control Solenoid
2005ChevroletExpress 2500N/Aw/ Lock Cyl. Control Solenoid
2005ChevroletExpress 3500N/Aw/ Lock Cyl. Control Solenoid
2005ChevroletSilverado 1500N/A
2005ChevroletSilverado 1500 HDN/A
2005ChevroletSilverado 25005.3LV8N/A
2005ChevroletSilverado 2500 HDN/A
2005ChevroletSilverado 3500N/A
2005ChevroletSSRN/A
2005ChevroletSuburban 1500N/A
2005ChevroletSuburban 2500N/A
2005ChevroletTahoeN/A
2005ChevroletTrailblazerN/A
2005ChevroletTrailblazer EXTN/A
2005GMCEnvoyN/A
2005GMCEnvoy XLN/A
2005GMCEnvoy XUVN/A
2005GMCSavana 1500N/A
2005GMCSavana 2500N/A
2005GMCSavana 3500N/A
2005GMCSierra 1500N/A
2005GMCSierra 1500 HDN/A
2005GMCSierra 2500 HDN/A
2005GMCSierra 3500N/A
2005GMCYukonN/A
2005GMCYukon XL 1500N/A
2005GMCYukon XL 2500N/A
2005HummerH2N/A
2005PontiacAztekN/A
2004BuickRainierN/A
2004BuickRendezvousN/A
2004CadillacEscaladeN/A
2004CadillacEscalade ESVN/A
2004CadillacEscalade EXTN/A
2004ChevroletAvalanche 1500N/A
2004ChevroletAvalanche 2500N/A
2004ChevroletExpress 1500N/Aw/ Lock Cyl. Control Solenoid
2004ChevroletExpress 2500N/Aw/ Lock Cyl. Control Solenoid
2004ChevroletExpress 3500N/Aw/ Lock Cyl. Control Solenoid
2004ChevroletSilverado 1500N/A
2004ChevroletSilverado 2500N/A
2004ChevroletSilverado 2500 HDN/A
2004ChevroletSilverado 3500N/A
2004ChevroletSSRN/A
2004ChevroletSuburban 1500N/A
2004ChevroletSuburban 2500N/A
2004ChevroletTahoeN/A
2004ChevroletTrailblazerN/A
2004ChevroletTrailblazer EXTN/A
2004GMCEnvoyN/A
2004GMCEnvoy XLN/A
2004GMCEnvoy XUVN/A
2004GMCSavana 1500N/A
2004GMCSavana 2500N/A
2004GMCSavana 3500N/A
2004GMCSierra 1500N/A
2004GMCSierra 2500N/A
2004GMCSierra 2500 HDN/A
2004GMCSierra 3500N/A
2004GMCYukonN/A
2004GMCYukon XL 1500N/A
2004GMCYukon XL 2500N/A
2004HummerH1N/A
2004HummerH2N/A
2004OldsmobileBravadaN/A
2004PontiacAztekN/A
2003BuickRendezvousN/A
2003CadillacEscaladeN/A
2003CadillacEscalade ESVN/A
2003CadillacEscalade EXTN/A
2003ChevroletAvalanche 1500N/A
2003ChevroletAvalanche 2500N/A
2003ChevroletExpress 1500N/Aw/ Lock Cyl. Control Solenoid
2003ChevroletExpress 2500N/Aw/ Lock Cyl. Control Solenoid
2003ChevroletExpress 3500N/Aw/ Lock Cyl. Control Solenoid
2003ChevroletSilverado 1500N/A
2003ChevroletSilverado 1500 HDN/A
2003ChevroletSilverado 2500N/A
2003ChevroletSilverado 2500 HDN/A
2003ChevroletSilverado 3500N/A
2003ChevroletSSRN/A
2003ChevroletSuburban 1500N/A
2003ChevroletSuburban 2500N/A
2003ChevroletTahoeN/A
2003ChevroletTrailblazerN/A
2003ChevroletTrailblazer EXTN/A
2003GMCEnvoyN/A
2003GMCEnvoy XLN/A
2003GMCSavana 1500N/A
2003GMCSavana 2500N/A
2003GMCSavana 3500N/A
2003GMCSierra 1500N/A
2003GMCSierra 1500 HDN/A
2003GMCSierra 2500N/A
2003GMCSierra 2500 HDN/A
2003GMCSierra 3500N/A
2003GMCYukonN/A
2003GMCYukon XL 1500N/A
2003GMCYukon XL 2500N/A
2003HummerH1N/A
2003HummerH2N/A
2003OldsmobileBravadaN/A
2003PontiacAztekN/A
2002BuickRendezvousN/A
2002ChevroletTrailblazerN/A
2002ChevroletTrailblazer EXTN/A
2002GMCEnvoyN/A
2002GMCEnvoy XLN/A
2002OldsmobileBravadaN/A
2002PontiacAztekN/A
2001PontiacAztekN/A

* 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:

124502511S600253-27391924-715CS643IS156KS6254LS1115UL14-69

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

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