HomeIgnition > Control ModulesStandard Ignition LX-381 Ignition Control Module
Part #: LX-381

Standard Ignition LX-381 Ignition Control Module

394 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, Oldsmobile, Cadillac, Isuzu, Pontiac, and Buick, Express 1500, Silverado 1500 Classic, Savana 1500, Sierra 1500, Sierra 1500 Classic, Silverado 1500, Astro, Blazer, Express 2500, Jimmy, Safari, Savana 2500, S10, Sonoma, C1500, Express 3500, Sonora, Savana 3500, G30, P30, Bravada, Escalade, C2500, C3500, K2500, K3500, Tahoe, Yukon, Hombre, C1500 Suburban, C2500 Suburban, Cargo Van, K1500, K1500 Suburban, K2500 Suburban, Suburban 1500, P3500, Camaro, Firebird, Commercial Chassis, Roadmaster, Fleetwood, Caprice, Corvette, Impala, and G3500
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Ignition Control Module for GM Applications

Standard Ignition LX-381 is an ignition control module built for distributor-mounted applications on a wide range of Chevrolet, GMC, Cadillac, Buick, Pontiac, Oldsmobile, and Isuzu vehicles. It uses a 12-volt electrical design and a female connector with four male blade terminals for direct replacement service.

For drivers diagnosing no-start conditions, intermittent spark loss, or ignition timing issues, this LX-381 module provides the electrical control needed to restore proper ignition operation in distributor-equipped systems. It is a direct-fit option for many 1996-2007 Chevrolet and GMC trucks, vans, and SUVs, including Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Astro, and GMC Safari applications.

Key Features

  • Standard Ignition LX-381 ignition control module
  • Mounts inside the distributor
  • 12-volt design
  • Female connector with 1 connector and 4 male blade terminals
  • OEM application-specific integrated circuit for vehicle-specific operation
  • High battery over-voltage shutdown protection
  • ESD protection for added electrical durability
  • Nickel-plated steel lead frame helps reduce connector oxidation
  • Double wire bond interconnect system for improved reliability

Detailed Description

The Standard Ignition LX-381 is engineered for distributor-mounted ignition systems that require precise module control and stable electrical performance. Its application-specific integrated circuit supports OE-style operation, while over-voltage shutdown protection and ESD protection help the module withstand common electrical stress found in daily driving and troubleshooting scenarios. The nickel-plated steel lead frame and double wire bond interconnect system are used to improve contact quality and long-term reliability.

This part cross-references Delphi DS10039 and Carlson 7137 for the same application. Compatible vehicle coverage includes Chevrolet Express 1500, Chevrolet Silverado 1500, GMC Savana 1500, GMC Sierra 1500, Chevrolet Astro, Chevrolet Blazer, and GMC Safari, along with additional GM truck and SUV applications from 1996-2007. Standard Ignition LX-381 is also listed for select Cadillac, Buick, Pontiac, Oldsmobile, and Isuzu models with distributor-mounted ignition control.

What It Helps Fix

  • Engine no-start caused by ignition module failure
  • Intermittent spark or weak spark output
  • Rough running related to distributor ignition control
  • Stalling or hesitation tied to ignition signal loss
  • Electrical faults from heat, voltage spikes, or connector oxidation

Installation Notes and Tips

Install the LX-381 inside the distributor and verify the connector style, terminal count, and 12-volt system requirements before replacement. Confirm the vehicle’s original module reference and match the application by year, make, and model, especially on 1996-2007 Chevrolet and GMC platforms such as Silverado 1500, Sierra 1500, Express, Savana, Astro, and Safari. Clean mating terminals and inspect the distributor wiring for corrosion or heat damage during service.

Quality Assurance

Standard Ignition builds this module with electrical protection features and reliability-focused internal construction for consistent ignition control in supported applications.

BrandStandard Ignition
Part NumberLX-381
Connector GenderFemale
Mounting LocationInside Distributor
Terminal GenderMale
Terminal Type4 Blade Terminals
Voltage12

This part fits 394 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2007ChevroletExpress 15004.3LV6N/A
2007ChevroletSilverado 1500 Classic4.3LV6N/A
2007GMCSavana 15004.3LV6N/A
2007GMCSierra 15004.3LV6N/A
2007GMCSierra 1500 Classic4.3LV6N/A
2006ChevroletExpress 15004.3LV6N/A
2006ChevroletSilverado 15004.3LV6N/A
2006GMCSavana 15004.3LV6N/A
2006GMCSierra 15004.3LV6N/A
2005ChevroletAstroN/A
2005ChevroletBlazer4.3LV6N/A
2005ChevroletExpress 15004.3LV6N/A
2005ChevroletExpress 25004.3LV6N/A
2005ChevroletSilverado 15004.3LV6N/A
2005GMCJimmyN/A
2005GMCSafariN/A
2005GMCSavana 15004.3LV6N/A
2005GMCSavana 25004.3LV6N/A
2005GMCSierra 15004.3LV6N/A
2004ChevroletAstroN/A
2004ChevroletBlazer4.3LV6N/A
2004ChevroletExpress 15004.3LV6N/A
2004ChevroletExpress 25004.3LV6N/A
2004ChevroletS104.3LV6N/A
2004ChevroletSilverado 15004.3LV6N/A
2004GMCJimmyN/A
2004GMCSafariN/A
2004GMCSavana 15004.3LV6N/A
2004GMCSavana 25004.3LV6N/A
2004GMCSierra 15004.3LV6N/A
2004GMCSonomaN/A
2003ChevroletAstroN/A
2003ChevroletBlazerN/A
2003ChevroletExpress 15004.3LV6N/A
2003ChevroletExpress 25004.3LV6N/A
2003ChevroletS104.3LV6N/A
2003ChevroletSilverado 15004.3LV6N/A
2003GMCJimmyN/A
2003GMCSafariN/A
2003GMCSavana 15004.3LV6N/A
2003GMCSavana 25004.3LV6N/A
2003GMCSierra 15004.3LV6N/A
2003GMCSonoma4.3LV6N/A
2002ChevroletAstroN/A
2002ChevroletBlazerN/A
2002ChevroletC15004.3LV6N/A
2002ChevroletExpress 1500N/A
2002ChevroletExpress 25005.0LV8N/A
2002ChevroletExpress 25005.7LV8N/A
2002ChevroletExpress 25004.3LV6N/A
2002ChevroletExpress 35005.7LV8N/A
2002ChevroletS104.3LV6N/A
2002ChevroletSilverado 15004.3LV6N/A
2002GMCJimmyN/A
2002GMCSafariN/A
2002GMCSavana 15005.0LV8N/A
2002GMCSavana 15005.7LV8N/A
2002GMCSavana 15004.3LV6N/A
2002GMCSavana 25005.0LV8N/A
2002GMCSavana 25005.7LV8N/A
2002GMCSavana 25004.3LV6N/A
2002GMCSavana 35005.7LV8N/A
2002GMCSierra 15004.3LV6N/A
2002GMCSonoma4.3LV6N/A
2001ChevroletAstroN/A
2001ChevroletBlazerN/A
2001ChevroletC15004.3LV6N/A
2001ChevroletExpress 1500N/A
2001ChevroletExpress 25005.7LV8N/A
2001ChevroletExpress 25005.0LV8N/A
2001ChevroletExpress 25004.3LV6N/A
2001ChevroletExpress 35005.7LV8N/A
2001ChevroletG30N/A
2001ChevroletP304.3LV6N/A
2001ChevroletS104.3LV6N/A
2001ChevroletSilverado 15004.3LV6N/A
2001GMCJimmyN/A
2001GMCSafariN/A
2001GMCSavana 15004.3LV6N/A
2001GMCSavana 15005.0LV8N/A
2001GMCSavana 15005.7LV8N/A
2001GMCSavana 25004.3LV6N/A
2001GMCSavana 25005.7LV8N/A
2001GMCSavana 25005.0LV8N/A
2001GMCSavana 35005.7LV8N/A
2001GMCSierra 15004.3LV6N/A
2001GMCSonoma4.3LV6N/A
2001OldsmobileBravadaN/A
2000CadillacEscaladeN/A
2000ChevroletAstroN/A
2000ChevroletBlazer4.3LV6N/A
2000ChevroletC15004.3LV6N/A
2000ChevroletC25005.7LV8N/A
2000ChevroletC25007.4LV8N/A
2000ChevroletC35005.7LV8N/A
2000ChevroletC35007.4LV8N/A
2000ChevroletExpress 1500GASN/A
2000ChevroletExpress 2500GASN/A
2000ChevroletExpress 3500GASN/A
2000ChevroletK25007.4LV8N/A
2000ChevroletK25005.7LV8N/A
2000ChevroletK35007.4LV8N/A
2000ChevroletK35005.7LV8N/A
2000ChevroletS104.3LV6GASN/A
2000ChevroletSilverado 15004.3LV6N/A
2000ChevroletTahoe5.7LV8N/A
2000GMCC25005.7LV8N/A
2000GMCC25007.4LV8N/A
2000GMCC35005.7LV8N/A
2000GMCC35007.4LV8N/A
2000GMCJimmyN/A
2000GMCK25007.4LV8N/A
2000GMCK25005.7LV8N/A
2000GMCK35005.7LV8N/A
2000GMCK35007.4LV8N/A
2000GMCSafariN/A
2000GMCSavana 15005.0LV8N/A
2000GMCSavana 15005.7LV8N/A
2000GMCSavana 15004.3LV6N/A
2000GMCSavana 25005.0LV8N/A
2000GMCSavana 25005.7LV8N/A
2000GMCSavana 25004.3LV6N/A
2000GMCSavana 35007.4LV8N/A
2000GMCSavana 35005.7LV8N/A
2000GMCSierra 15004.3LV6N/A
2000GMCSonoma4.3LV6N/A
2000GMCYukon5.7LV8N/A
2000IsuzuHombre4.3LV6N/A
2000OldsmobileBravadaN/A
1999CadillacEscaladeN/A
1999ChevroletAstroN/A
1999ChevroletBlazer4.3LV6N/A
1999ChevroletC15005.7LV8N/A
1999ChevroletC15005.0LV8N/A
1999ChevroletC15004.3LV6N/A
1999ChevroletC1500 Suburban5.7LV8N/A
1999ChevroletC25007.4LV8N/A
1999ChevroletC25005.7LV8N/A
1999ChevroletC2500 Suburban7.4LV8N/A
1999ChevroletC2500 Suburban5.7LV8N/A
1999ChevroletC35007.4LV8N/A
1999ChevroletC35005.7LV8N/A
1999ChevroletExpress 1500GASN/A
1999ChevroletExpress 2500GASN/A
1999ChevroletExpress 3500GASN/A
1999ChevroletK15005.7LV8N/A
1999ChevroletK15005.0LV8N/A
1999ChevroletK1500 Suburban5.7LV8N/A
1999ChevroletK25007.4LV8N/A
1999ChevroletK25005.7LV8N/A
1999ChevroletK2500 Suburban7.4LV8N/A
1999ChevroletK2500 Suburban5.7LV8N/A
1999ChevroletK35005.7LV8N/A
1999ChevroletK35007.4LV8N/A
1999ChevroletP305.7LV8N/A
1999ChevroletP304.3LV6N/A
1999ChevroletP307.4LV8N/A
1999ChevroletS104.3LV6GASN/A
1999ChevroletSilverado 15004.3LV6N/A
1999ChevroletSuburban 15005.7LV8N/A
1999ChevroletTahoe5.7LV8N/A
1999GMCC15005.7LV8N/A
1999GMCC15005.0LV8N/A
1999GMCC1500 Suburban5.7LV8N/A
1999GMCC25005.7LV8N/A
1999GMCC25007.4LV8N/A
1999GMCC2500 Suburban5.7LV8N/A
1999GMCC2500 Suburban7.4LV8N/A
1999GMCC35005.7LV8N/A
1999GMCC35007.4LV8N/A
1999GMCJimmyN/A
1999GMCK15005.7LV8N/A
1999GMCK15005.0LV8N/A
1999GMCK1500 Suburban5.7LV8N/A
1999GMCK25005.7LV8N/A
1999GMCK25007.4LV8N/A
1999GMCK2500 Suburban5.7LV8N/A
1999GMCK35005.7LV8N/A
1999GMCK35007.4LV8N/A
1999GMCP35005.7LV8N/A
1999GMCP35004.3LV6N/A
1999GMCP35007.4LV8N/A
1999GMCSafariN/A
1999GMCSavana 15004.3LV6N/A
1999GMCSavana 15005.0LV8N/A
1999GMCSavana 15005.7LV8N/A
1999GMCSavana 25004.3LV6N/A
1999GMCSavana 25005.7LV8N/A
1999GMCSavana 25005.0LV8N/A
1999GMCSavana 35007.4LV8N/A
1999GMCSavana 35005.7LV8N/A
1999GMCSierra 15004.3LV6N/A
1999GMCSonoma4.3LV6N/A
1999GMCYukon5.7LV8N/A
1999IsuzuHombre4.3LV6N/A
1999OldsmobileBravadaN/A
1998ChevroletAstroN/A
1998ChevroletBlazer4.3LV6N/A
1998ChevroletC15005.7LV8N/A
1998ChevroletC15004.1LL6N/A
1998ChevroletC15004.3LV6N/A
1998ChevroletC15005.0LV8N/A
1998ChevroletC1500 Suburban5.7LV8N/A
1998ChevroletC25005.0LV8N/A
1998ChevroletC25005.7LV8N/A
1998ChevroletC25007.4LV8N/A
1998ChevroletC2500 Suburban5.7LV8N/A
1998ChevroletC2500 Suburban7.4LV8N/A
1998ChevroletC35005.7LV8N/A
1998ChevroletC35007.4LV8N/A
1998ChevroletExpress 1500GASN/AOE No. 10482803
1998ChevroletExpress 2500GASN/A
1998ChevroletExpress 3500GASN/A
1998ChevroletK15005.0LV8N/A
1998ChevroletK15005.7LV8N/A
1998ChevroletK15004.3LV6N/A
1998ChevroletK1500 Suburban5.7LV8N/A
1998ChevroletK25005.0LV8N/A
1998ChevroletK25005.7LV8N/A
1998ChevroletK25007.4LV8N/A
1998ChevroletK2500 Suburban7.4LV8N/A
1998ChevroletK2500 Suburban5.7LV8N/A
1998ChevroletK35005.7LV8N/A
1998ChevroletK35007.4LV8N/A
1998ChevroletP305.7LV8N/A
1998ChevroletP307.4LV8N/A
1998ChevroletP304.3LV6N/A
1998ChevroletS104.3LV6GASN/A
1998ChevroletSuburban 15005.7LV8N/A
1998ChevroletTahoe5.7LV8N/A
1998GMCC1500N/A
1998GMCC1500 Suburban5.7LV8N/A
1998GMCC2500GASN/A
1998GMCC2500 Suburban5.7LV8N/A
1998GMCC3500GASN/A
1998GMCJimmyN/A
1998GMCK1500GASN/A
1998GMCK1500 Suburban5.7LV8N/A
1998GMCK2500GASN/A
1998GMCK2500 Suburban5.7LV8N/A
1998GMCK3500GASN/A
1998GMCP35004.3LV6N/A
1998GMCP35007.4LV8N/A
1998GMCP35005.7LV8N/A
1998GMCSafariN/A
1998GMCSavana 15005.7LV8N/A
1998GMCSavana 15004.3LV6N/A
1998GMCSavana 15005.0LV8N/A
1998GMCSavana 25005.0LV8N/A
1998GMCSavana 25004.3LV6N/A
1998GMCSavana 25005.7LV8N/A
1998GMCSavana 35007.4LV8N/A
1998GMCSavana 35005.7LV8N/A
1998GMCSonoma4.3LV6N/A
1998GMCYukon5.7LV8N/A
1998IsuzuHombre4.3LV6N/A
1998OldsmobileBravadaN/A
1997ChevroletAstroN/A
1997ChevroletBlazer4.3LV6N/A
1997ChevroletC15005.0LV8N/A
1997ChevroletC15004.1LL6N/A
1997ChevroletC15004.3LV6N/A
1997ChevroletC15005.7LV8N/A
1997ChevroletC1500 Suburban5.7LV8N/A
1997ChevroletC25005.7LV8N/A
1997ChevroletC25007.4LV8N/A
1997ChevroletC25005.0LV8N/A
1997ChevroletC2500 Suburban5.7LV8N/A
1997ChevroletC35005.7LV8N/A
1997ChevroletC35007.4LV8N/A
1997ChevroletCamaro5.7LV8N/A
1997ChevroletExpress 1500GASN/AOE No. 10482803
1997ChevroletExpress 2500GASN/A
1997ChevroletExpress 3500GASN/A
1997ChevroletK15005.0LV8N/A
1997ChevroletK15004.3LV6N/A
1997ChevroletK15005.7LV8N/A
1997ChevroletK1500 Suburban5.7LV8N/A
1997ChevroletK25007.4LV8N/A
1997ChevroletK25005.0LV8N/A
1997ChevroletK25005.7LV8N/A
1997ChevroletK2500 Suburban7.4LV8N/A
1997ChevroletK2500 Suburban5.7LV8N/A
1997ChevroletK35007.4LV8N/A
1997ChevroletK35005.7LV8N/A
1997ChevroletP307.4LV8N/A4 Term.
1997ChevroletP304.3LV6N/A
1997ChevroletP305.7LV8N/A
1997ChevroletS104.3LV6GASN/A
1997ChevroletSuburban 15005.7LV8N/A
1997ChevroletTahoe5.7LV8N/A
1997GMCC1500N/A
1997GMCC1500 Suburban5.7LV8N/A
1997GMCC2500GASN/A
1997GMCC2500 Suburban5.7LV8N/A
1997GMCC3500GASN/A
1997GMCJimmyN/A
1997GMCK1500GASN/A
1997GMCK1500 Suburban5.7LV8N/A
1997GMCK2500GASN/A
1997GMCK2500 Suburban7.4LV8N/A
1997GMCK3500GASN/A
1997GMCP35007.4LV8N/A4 Term.
1997GMCP35004.3LV6N/A
1997GMCP35005.7LV8N/A
1997GMCSafariN/A
1997GMCSavana 15004.3LV6N/A
1997GMCSavana 15005.0LV8N/A
1997GMCSavana 15005.7LV8N/A
1997GMCSavana 25005.7LV8N/A
1997GMCSavana 25005.0LV8N/A
1997GMCSavana 25004.3LV6N/A
1997GMCSavana 35007.4LV8N/A
1997GMCSavana 35005.7LV8N/A
1997GMCSonoma4.3LV6N/A
1997GMCYukon5.7LV8N/A
1997IsuzuHombre4.3LV6N/A
1997OldsmobileBravadaN/A
1997PontiacFirebird5.7LV8N/A
1996BuickRoadmasterN/A
1996CadillacCommercial ChassisN/A
1996CadillacFleetwoodN/A
1996ChevroletAstroN/A
1996ChevroletBlazer4.3LV6N/A
1996ChevroletC15004.1LL6N/A
1996ChevroletC15004.3LV6N/A
1996ChevroletC15005.0LV8N/A
1996ChevroletC15005.7LV8N/A
1996ChevroletC1500 Suburban5.7LV8N/A
1996ChevroletC25005.7LV8N/A
1996ChevroletC25007.4LV8N/A
1996ChevroletC25005.0LV8N/A
1996ChevroletC2500 Suburban5.7LV8N/A
1996ChevroletC35005.7LV8N/A
1996ChevroletC35007.4LV8N/A
1996ChevroletCamaro5.7LV8N/A
1996ChevroletCapriceN/A
1996ChevroletCorvette5.7LV8N/A
1996ChevroletExpress 15004.3LV6N/A4 Term.
1996ChevroletExpress 15005.0LV8N/A
1996ChevroletExpress 15005.7LV8N/A
1996ChevroletExpress 25005.0LV8N/A
1996ChevroletExpress 25004.3LV6N/A4 Term.
1996ChevroletExpress 25005.7LV8N/A
1996ChevroletExpress 35007.4LV8N/A4 Term.
1996ChevroletExpress 35005.7LV8N/A
1996ChevroletG305.7LV8N/A
1996ChevroletG307.4LV8N/A
1996ChevroletImpalaN/A
1996ChevroletK15004.3LV6N/A
1996ChevroletK15005.0LV8N/A
1996ChevroletK15005.7LV8N/A
1996ChevroletK1500 Suburban5.7LV8N/A
1996ChevroletK25007.4LV8N/A
1996ChevroletK25005.7LV8N/A
1996ChevroletK2500 Suburban5.7LV8N/A
1996ChevroletK2500 Suburban7.4LV8N/A
1996ChevroletK35005.7LV8N/A
1996ChevroletK35007.4LV8N/A
1996ChevroletP307.4LV8N/A
1996ChevroletP304.3LV6N/A
1996ChevroletP305.7LV8N/A
1996ChevroletS104.3LV6N/A
1996ChevroletSuburban 15005.7LV8N/A
1996ChevroletTahoe5.7LV8N/A
1996GMCC1500N/A
1996GMCC1500 Suburban5.7LV8N/A
1996GMCC2500GASN/A
1996GMCC2500 Suburban5.7LV8N/A
1996GMCC3500GASN/A
1996GMCG35005.7LV8N/A4 Term.
1996GMCG35007.4LV8N/A4 Term.
1996GMCJimmyN/A
1996GMCK1500GASN/A
1996GMCK1500 Suburban5.7LV8N/A
1996GMCK2500GASN/A
1996GMCK2500 Suburban7.4LV8N/A
1996GMCK3500GASN/A
1996GMCP35005.7LV8N/A
1996GMCP35007.4LV8N/A4 Term.
1996GMCP35004.3LV6N/A
1996GMCSafariN/A
1996GMCSavana 15005.7LV8N/A4 Term.
1996GMCSavana 15004.3LV6N/A4 Term.
1996GMCSavana 15005.0LV8N/A4 Term.
1996GMCSavana 25005.0LV8N/A4 Term.
1996GMCSavana 25004.3LV6N/A4 Term.
1996GMCSavana 25005.7LV8N/A4 Term.
1996GMCSavana 35007.4LV8N/A4 Term.
1996GMCSavana 35005.7LV8N/A4 Term.
1996GMCSonoma4.3LV6N/A
1996GMCYukon5.7LV8N/A
1996OldsmobileBravadaN/A
1996PontiacFirebird5.7LV8N/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:

104828032-7137212172C855-15516H105171378104828030CBC1003CBE122DR178DR178VCDS10039E273LX381TTP58TP58SB

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