Standard Ignition US-312L Ignition Lock Cylinder
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Standard Ignition

Standard Ignition US-312L Ignition Lock Cylinder

Brand Standard Ignition US-312L
Coding Coded
Instructions Included Yes
Keys Included Yes
Mounting Bracket(s) Included No
Mounting Location Column
Fits Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, and Oldsmobile · 170 vehicles

OE-matched fit. Precision installation for a direct replacement.

Solid brass tumblers. Built for smooth, reliable operation.

Coded lock cylinder. Multiple key codes help prevent easy duplication.

Cross-references Cardone Reman 53-2054, Dorman - OE Solutions 924-725 and 4H1586 for the same application. See all 12.

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Ignition Lock Cylinder for GM Trucks and SUVs

Standard Ignition US-312L is a coded ignition lock cylinder built for direct replacement in a wide range of GM trucks and SUVs. It is designed for column-mounted applications and uses precision-matched components for consistent key operation and reliable ignition function.

Key Features

  • Coded ignition lock cylinder for accurate key matching
  • Column mounting location
  • Instructions included for installation reference
  • Keys included
  • Solid brass tumblers and chrome plated brass keys
  • Die-cast zinc lock core construction
  • Multiple randomly assigned key codes

Product Details

The Standard Ignition US-312L ignition lock cylinder is engineered to match the original lock profile for precision installation. Its construction uses solid brass tumblers, chrome plated brass keys, and a die-cast zinc lock core to support smooth operation and dependable fitment. This part number is commonly selected for ignition lock cylinder replacement on Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and related GM platforms where the original lock has worn, stuck, or no longer turns correctly. This part cross-references Dorman - OE Solutions 924-725 and Cardone Reman 53-2054 for the same application.

What It Helps Fix

  • Worn ignition cylinder that binds or turns inconsistently
  • Broken or damaged key cylinder components
  • Ignition lock issues on column-mounted GM vehicles
  • Key mismatch concerns after lock wear or replacement
  • Starting problems caused by a failing mechanical lock cylinder

Installation Notes

  • Compatible With 1999-2001 Oldsmobile Bravada, column-mounted ignition without accessory position
  • Compatible With 2001-2007 GMC Yukon and Yukon XL, column-mounted ignition without accessory position
  • Compatible With 2001-2006 Chevrolet Silverado and Tahoe applications listed in the fitment data, column-mounted ignition without accessory position
  • Some 2007 Silverado and Sierra Classic applications require programming
  • Some applications are listed without transponder key, without thumbwheel, or without accessory position; verify the notes before installation

Quality Assurance

Standard Ignition designs this lock cylinder using professional-grade materials and application-focused engineering to address common original equipment failure points. The US-312L is coded for controlled key matching and built for technician-friendly replacement on supported GM vehicles.

Related reading

This part fits 170 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2007BuickRendezvous———N/Aw/o Transponder Key
2007CadillacEscaladeAutomatic——N/Aw/o Acc. Position
2007CadillacEscalade ESVAutomatic——N/Aw/o Acc. Position
2007CadillacEscalade EXTAutomatic——N/Aw/o Acc. Position
2007ChevroletSilverado 1500 Classic—4.3LV6N/ARequires Programming
2007ChevroletSilverado 1500 HD ClassicAutomatic——N/Aw/o Acc. Position
2007ChevroletSilverado 2500 HD Classic—6.0LV8N/ARequires Programming
2007ChevroletSilverado 3500 Classic—6.0LV8N/ARequires Programming
2007ChevroletSuburban 1500Automatic——N/Aw/o Acc. Position
2007ChevroletSuburban 2500Automatic——N/Aw/o Acc. Position
2007GMCSierra 1500 ClassicAutomatic——N/Aw/o Acc. Position
2007GMCSierra 1500 HD ClassicAutomatic——N/Aw/o Acc. Position
2007GMCSierra 2500 HD Classic—6.0LV8N/ARequires Programming
2007GMCSierra 3500 ClassicAutomatic——N/Aw/o Acc. Position
2007GMCYukonAutomatic——N/Aw/o Acc. Position
2007GMCYukon XL 1500Automatic——N/Aw/o Acc. Position
2007GMCYukon XL 2500Automatic——N/Aw/o Acc. Position
2007HummerH2Automatic——N/Aw/o Acc. Position
2006BuickRendezvous———N/Aw/o Transponder Key
2006CadillacEscaladeAutomatic——N/Aw/o Acc. Position
2006CadillacEscalade ESVAutomatic——N/Aw/o Acc. Position
2006CadillacEscalade EXTAutomatic——N/Aw/o Acc. Position
2006ChevroletAvalanche 1500Automatic——N/Aw/o Acc. Position
2006ChevroletAvalanche 2500Automatic——N/Aw/o Acc. Position
2006ChevroletSilverado 1500Automatic——N/Aw/o Acc. Position
2006ChevroletSilverado 1500 HDAutomatic——N/Aw/o Acc. Position
2006ChevroletSilverado 2500Automatic——N/Aw/o Acc. Position
2006ChevroletSilverado 2500 HDAutomatic——N/Aw/o Acc. Position
2006ChevroletSilverado 3500Automatic——N/Aw/o Acc. Position
2006ChevroletSuburban 1500Automatic——N/Aw/o Acc. Position
2006ChevroletSuburban 2500Automatic——N/Aw/o Acc. Position
2006ChevroletTahoeAutomatic——N/Aw/o Acc. Position
2006GMCSierra 1500Automatic——N/Aw/o Acc. Position
2006GMCSierra 1500 HDAutomatic——N/Aw/o Acc. Position
2006GMCSierra 2500 HDAutomatic——N/Aw/o Acc. Position
2006GMCSierra 3500Automatic——N/Aw/o Acc. Position
2006GMCYukonAutomatic——N/Aw/o Acc. Position
2006GMCYukon XL 1500Automatic——N/Aw/o Acc. Position
2006GMCYukon XL 2500Automatic——N/Aw/o Acc. Position
2006HummerH2Automatic——N/Aw/o Acc. Position
2005BuickRendezvous———N/Aw/o Transponder Key
2005CadillacDeVille———N/Aw/o Transponder Key
2005CadillacEscaladeAutomatic——N/Aw/o Acc. Position
2005CadillacEscalade ESVAutomatic——N/Aw/o Acc. Position
2005CadillacEscalade EXTAutomatic——N/Aw/o Acc. Position
2005ChevroletAvalanche 1500Automatic——N/Aw/o Acc. Position
2005ChevroletAvalanche 2500Automatic——N/Aw/o Acc. Position
2005ChevroletBlazerAutomatic——N/Aw/o Thumbwheel; w/o Acc. Position
2005ChevroletSilverado 1500Automatic——N/Aw/o Acc. Position
2005ChevroletSilverado 1500 HDAutomatic——N/Aw/o Acc. Position
2005ChevroletSilverado 2500Automatic——N/Aw/o Acc. Position
2005ChevroletSilverado 2500 HDAutomatic——N/Aw/o Acc. Position
2005ChevroletSilverado 3500Automatic——N/Aw/o Acc. Position
2005ChevroletSuburban 1500Automatic——N/Aw/o Acc. Position
2005ChevroletSuburban 2500Automatic——N/Aw/o Acc. Position
2005ChevroletTahoeAutomatic——N/Aw/o Acc. Position
2005GMCJimmyAutomatic4.3LV6N/Aw/o Thumbwheel; w/o Acc. Position
2005GMCSierra 1500Automatic——N/Aw/o Acc. Position
2005GMCSierra 1500 HDAutomatic——N/Aw/o Acc. Position
2005GMCSierra 2500 HDAutomatic——N/Aw/o Acc. Position
2005GMCSierra 3500Automatic——N/Aw/o Acc. Position
2005GMCYukonAutomatic——N/Aw/o Acc. Position
2005GMCYukon XL 1500Automatic——N/Aw/o Acc. Position
2005GMCYukon XL 2500Automatic——N/Aw/o Acc. Position
2005HummerH2Automatic——N/Aw/o Acc. Position
2005PontiacAztek———N/Aw/o Transponder Key
2004BuickRendezvous———N/Aw/o Transponder Key
2004CadillacDeVille———N/Aw/o Transponder Key
2004CadillacEscaladeAutomatic——N/Aw/o Acc. Position
2004CadillacEscalade ESVAutomatic——N/Aw/o Acc. Position
2004CadillacEscalade EXTAutomatic——N/Aw/o Acc. Position
2004ChevroletAvalanche 1500Automatic——N/Aw/o Acc. Position
2004ChevroletAvalanche 2500Automatic——N/Aw/o Acc. Position
2004ChevroletBlazerAutomatic——N/Aw/o Thumbwheel; w/o Acc. Position
2004ChevroletS10Automatic——N/Aw/o Acc. Position
2004ChevroletSilverado 1500Automatic——N/Aw/o Acc. Position
2004ChevroletSilverado 2500Automatic——N/Aw/o Acc. Position
2004ChevroletSilverado 2500 HDAutomatic——N/Aw/o Acc. Position
2004ChevroletSilverado 3500Automatic——N/Aw/o Acc. Position
2004ChevroletSuburban 1500Automatic——N/Aw/o Acc. Position
2004ChevroletSuburban 2500Automatic——N/Aw/o Acc. Position
2004ChevroletTahoeAutomatic——N/Aw/o Acc. Position
2004GMCJimmyAutomatic4.3LV6N/Aw/o Thumbwheel; w/o Acc. Position
2004GMCSierra 1500Automatic——N/Aw/o Acc. Position
2004GMCSierra 2500Automatic——N/Aw/o Acc. Position
2004GMCSierra 2500 HDAutomatic——N/Aw/o Acc. Position
2004GMCSierra 3500Automatic——N/Aw/o Acc. Position
2004GMCYukonAutomatic——N/Aw/o Acc. Position
2004GMCYukon XL 1500Automatic——N/Aw/o Acc. Position
2004GMCYukon XL 2500Automatic——N/Aw/o Acc. Position
2004HummerH2Automatic——N/Aw/o Acc. Position
2004PontiacAztek———N/Aw/o Transponder Key
2003BuickRendezvous———N/Aw/o Transponder Key
2003CadillacDeVille———N/Aw/o Transponder Key
2003CadillacEscaladeAutomatic——N/Aw/o Acc. Position
2003CadillacEscalade ESVAutomatic——N/Aw/o Acc. Position
2003CadillacEscalade EXTAutomatic——N/Aw/o Acc. Position
2003ChevroletAvalanche 1500Automatic——N/Aw/o Acc. Position
2003ChevroletAvalanche 2500Automatic——N/Aw/o Acc. Position
2003ChevroletBlazerAutomatic——N/Aw/o Thumbwheel; w/o Acc. Position
2003ChevroletS10Automatic——N/Aw/o Acc. Position
2003ChevroletSilverado 1500Automatic——N/Aw/o Acc. Position
2003ChevroletSilverado 1500 HDAutomatic——N/Aw/o Acc. Position
2003ChevroletSilverado 2500Automatic——N/Aw/o Acc. Position
2003ChevroletSilverado 2500 HDAutomatic——N/Aw/o Acc. Position
2003ChevroletSilverado 3500Automatic——N/Aw/o Acc. Position
2003ChevroletSuburban 1500Automatic——N/Aw/o Acc. Position
2003ChevroletSuburban 2500Automatic——N/Aw/o Acc. Position
2003ChevroletTahoeAutomatic——N/Aw/o Acc. Position
2003GMCJimmyAutomatic4.3LV6N/Aw/o Thumbwheel; w/o Acc. Position
2003GMCSierra 1500Automatic——N/Aw/o Acc. Position
2003GMCSierra 1500 HDAutomatic——N/Aw/o Acc. Position
2003GMCSierra 2500Automatic——N/Aw/o Acc. Position
2003GMCSierra 2500 HDAutomatic——N/Aw/o Acc. Position
2003GMCSierra 3500Automatic——N/Aw/o Acc. Position
2003GMCYukonAutomatic——N/Aw/o Acc. Position
2003GMCYukon XL 1500Automatic——N/Aw/o Acc. Position
2003GMCYukon XL 2500Automatic——N/Aw/o Acc. Position
2003HummerH2Automatic——N/Aw/o Acc. Position
2003PontiacAztek———N/Aw/o Transponder Key
2002BuickRendezvous———N/Aw/o Transponder Key
2002CadillacDeVille———N/Aw/o Transponder Key
2002CadillacEscaladeAutomatic——N/Aw/o Acc. Position
2002CadillacEscalade EXTAutomatic——N/Aw/o Acc. Position
2002ChevroletAvalanche 1500Automatic——N/Aw/o Acc. Position
2002ChevroletAvalanche 2500Automatic——N/Aw/o Acc. Position
2002ChevroletBlazerAutomatic——N/Aw/o Thumbwheel; w/o Acc. Position
2002ChevroletS10Automatic——N/Aw/o Acc. Position
2002ChevroletSilverado 1500Automatic——N/Aw/o Thumbwheel; w/o Pushbutton; w/o Acc. Position
2002ChevroletSilverado 1500 HDAutomatic——N/Aw/o Acc. Position
2002ChevroletSilverado 2500Automatic——N/Aw/o Acc. Position
2002ChevroletSilverado 2500 HDAutomatic——N/Aw/o Acc. Position
2002ChevroletSilverado 3500Automatic——N/Aw/o Acc. Position
2002ChevroletSuburban 1500Automatic——N/Aw/o Acc. Position
2002ChevroletTahoeAutomatic——N/Aw/o Acc. Position
2002GMCJimmyAutomatic——N/Aw/o Thumbwheel; w/o Acc. Position
2002GMCSierra 1500Automatic——N/Aw/o Acc. Position
2002GMCSierra 1500 HDAutomatic——N/Aw/o Acc. Position
2002GMCSierra 2500Automatic——N/Aw/o Acc. Position
2002GMCSierra 2500 HDAutomatic——N/Aw/o Acc. Position
2002GMCSierra 3500Automatic——N/Aw/o Acc. Position
2002GMCYukonAutomatic——N/Aw/o Acc. Position
2002GMCYukon XL 1500Automatic5.3LV8N/Aw/o Acc. Position
2002GMCYukon XL 1500Automatic6.0LV8N/Aw/o Acc. Position
2002GMCYukon XL 2500Automatic8.1LV8N/Aw/o Acc. Position
2002GMCYukon XL 2500Automatic6.0LV8N/Aw/o Acc. Position
2002PontiacAztek———N/Aw/o Transponder Key
2001CadillacDeVille———N/Aw/o Transponder Key
2001ChevroletBlazerAutomatic——N/Aw/o Thumbwheel; w/o Acc. Position
2001ChevroletC1500Automatic——N/Aw/o Thumbwheel
2001ChevroletS10Automatic——N/Aw/o Acc. Position
2001ChevroletSilverado 1500Automatic——N/Aw/o Acc. Position
2001ChevroletSilverado 1500 HDAutomatic——N/Aw/o Acc. Position
2001ChevroletSilverado 2500Automatic——N/Aw/o Acc. Position
2001ChevroletSilverado 2500 HDAutomatic——N/Aw/o Acc. Position
2001ChevroletSilverado 3500Automatic——N/Aw/o Acc. Position
2001ChevroletSuburban 1500Automatic——N/Aw/o Acc. Position
2001ChevroletTahoeAutomatic——N/Aw/o Acc. Position
2001GMCJimmyAutomatic——N/Aw/o Thumbwheel; w/o Acc. Position
2001GMCSierra 1500Automatic——N/Aw/o Acc. Position
2001GMCSierra 1500 HDAutomatic——N/Aw/o Acc. Position
2001GMCSierra 2500Automatic——N/Aw/o Acc. Position
2001GMCSierra 2500 HDAutomatic——N/Aw/o Acc. Position
2001GMCSierra 3500Automatic——N/Aw/o Acc. Position
2001GMCYukonAutomatic——N/Aw/o Acc. Position
2001OldsmobileBravadaAutomatic——N/Aw/o Acc. Position
2001PontiacAztek———N/Aw/o Transponder Key
2000CadillacDeVille———N/Aw/o Transponder Key
2000OldsmobileBravadaAutomatic——N/Aw/o Acc. Position
1999OldsmobileBravadaAutomatic——N/Aw/o Acc. Position
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Cardone Reman — 53-2054Dorman - OE Solutions — 924-7254H1586600368815298923CS781LD1469GILC190KS6781LKS6781LSBLC63200LS1249C