1999 GMC Sierra Ignition Relays, Sensors & Switches
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ACDelco®GM Original Equipment™ Ignition Knock SensorGMC Sierra 4.8L / 5.3L / 6.0L 1999, GM Original Equipment™ Ignition Knock Sensor by ACDelco®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$61.83 - TRQ®Ignition Knock SensorGMC Sierra 1999, Ignition Knock Sensor by TRQ®. Don't wait and replace your faulty ignition knock (detonation) sensor that’s your first line of alert in the event of your engine is experiencing detonation problems. This cost-efficient...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$21.80 - $24.91$22.95 - $25.95Save up to 5%
- TRQ®Ignition Knock Sensor KitGMC Sierra 4.8L / 5.3L / 6.0L 1999, Ignition Knock Sensor Kit by TRQ®. Don't wait and replace your faulty ignition knock (detonation) sensor that’s your first line of alert in the event of your engine is experiencing detonation...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$29.09 - $80.70$30.95 - $84.95Save up to 6%
- Delphi®Ignition Knock SensorGMC Sierra 1999, Ignition Knock Sensor by Delphi®. Manufactured to meet or exceed OE requirements. Delphi Knock Sensors help maximize engine performance with all fuels. Delphi Knock Sensors prevent engine damage from pre-ignition knocking.Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$35.34 - $51.28
- SMP®Ignition Knock SensorGMC Sierra 4.8L / 5.3L / 6.0L 1999, Ignition Knock Sensor by SMP®. Standard® is the premier professional engine management brand in the automotive aftermarket today. Standard leads the way in advanced automotive technology with more...Designed with innovative manufacturing techniquesMade with the highest level of professionalism$61.04
- Standard®Ignition Knock SensorGMC Sierra 1999, Ignition Knock Sensor by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$37.65 - $46.38
- Walker Products®Ignition Knock SensorGMC Sierra 1999, Ignition Knock Sensor by Walker Products®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$30.29 - $50.77
- NTK®Ignition Knock SensorGMC Sierra 1999, Ignition Knock Sensor by NTK®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$35.51 - $51.10
- Standard®Tru-Tech™ Ignition Knock SensorGMC Sierra 4.8L / 5.3L / 6.0L 1999, Tru-Tech™ Ignition Knock Sensor by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$34.59
- Dorman®OE Solutions™ Ignition Knock SensorGMC Sierra 4.8L 1999, OE Solutions™ Ignition Knock Sensor by Dorman®. Dorman offers a comprehensive line of Ignition Coil Connectors for a wide range of applications. All the Ignition Coil Connectors are constructed of high-quality...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$56.66
- WVE®Ignition Knock SensorGMC Sierra 1999, Ignition Knock Sensor by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$43.85 - $48.07
- United Motor Products®Ignition Knock SensorGMC Sierra 4.8L / 5.3L / 6.0L 1999, Ignition Knock Sensor by United Motor Products®. Keep your pride and joy operating as it should with this top-notch part from United Motors Products. It’s made using the finest materials and...Excellent replacement for your worn out factory partWill help make your vehicle running as good as new$28.94
- Beck Arnley®Ignition Knock SensorGMC Sierra 4.8L / 5.3L / 6.0L 1999, Ignition Knock Sensor by Beck Arnley®. When investing in this superior product by Beck Arnley, expect to get the exact OEM look, function, and fit. The product was developed to stringent factory...Used to detect engine knocking and to retard the ignition correspondingly in order to prevent engine damageSensor mounted near the cylinder bores in the cylinder block$58.57
- AutoTecnica®Ignition Knock SensorGMC Sierra 1999, Ignition Knock Sensor by AutoTecnica®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$21.01
- TRQ®Ignition Knock Sensor HarnessGMC Sierra 1500 1999, Ignition Knock Sensor Harness by TRQ®. Manufactured with superior materials and a high level of craftsmanship, this product guarantees the reliable performance you have been always looking for. You don't have to...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$26.27$27.95Save $1.68 (6%)
- TRQ®Ignition Control ModuleGMC Sierra 4.3L 1999, Ignition Control Module by TRQ®. Looking for a new ignition control module to replace your factory component and make your vehicle perform great again? Consider this high-quality part available at a fair price. It...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$30.35$31.95Save $1.60 (5%)
- Delphi®Ignition Control ModuleGMC Sierra 4.3L 1999, Ignition Control Module by Delphi®. Delphi OE technology ignition products are validated to match the vehicle's system. OE quality replacement parts for the right fit, form and function. Designed utilizing the...Wide-ranging domestic and import coverageDeveloped based on more than a century of OE experience$96.12
- Dorman®OE Solutions™ Ignition Knock Sensor ConnectorGMC Sierra 1999, OE Solutions™ Ignition Knock Sensor Connector by Dorman®. Dorman offers a comprehensive line of Ignition Knock Sensor Connectors for a wide range of applications. All the connectors are constructed of high-quality...Direct replacement for a proper fitNecessary replacement item for passing state inspection$25.72
- WVE®Ignition Control ModuleGMC Sierra 4.3L 1999, Ignition Control Module by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$77.43
- ACDelco®GM Genuine Parts™ Igniter Heat SinkGMC Sierra 4.3L 1999, GM Genuine Parts™ Igniter Heat Sink by ACDelco®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is...Constructed from superior materialsMade to match OE specifications$35.33
- ACDelco®GM Original Equipment™ Diesel Glow Plug ConnectorGMC Sierra 1999, GM Original Equipment™ Diesel Glow Plug Connector by ACDelco®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$27.97
- ACDelco®Professional™ Ignition Control ModuleGMC Sierra 4.3L 1999, Professional™ Ignition Control Module by ACDelco®. Many ACDelco Ignition Modules feature electronically welded lead connections to help eliminate heat-stress failure or cold joints. Select ACDelco Ignition...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$134.56
- Standard®Ignition Control ModuleGMC Sierra 4.3L with 12 Volt System 1999, Ignition Control Module by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications,...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$96.10
- Standard®TechSmart™ Ignition Knock Sensor HarnessGMC Sierra 1999, TechSmart™ Ignition Knock Sensor Harness by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$31.20 - $32.57
- Standard®Tru-Tech™ Ignition Control ModuleGMC Sierra 4.3L with 12 Volt System 1999, Tru-Tech™ Ignition Control Module by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$68.55
- Dorman®HELP™ Ignition Knock Sensor SealGMC Sierra 4.8L / 5.3L / 6.0L 1999, HELP™ Ignition Knock Sensor Seal by Dorman®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$7.94
- WVE®Ignition Control Module ConnectorGMC Sierra 4.3L 1999, Ignition Control Module Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$14.87
- WVE®Ignition Knock Sensor ConnectorGMC Sierra 1999, Ignition Knock Sensor Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$8.22 - $26.12
- SKP®Ignition Knock Sensor ConnectorGMC Sierra 1999, Ignition Knock Sensor Connector by SKP®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$14.89
- Original Engine Management®Ignition Control ModuleGMC Sierra 4.3L with 12 Volt System 1999, Ignition Control Module by Original Engine Management®. Original Engine Management modules are manufactured to O.E. specification. Each unit is carefully tested to ensure proper fit and...Made to deliver trouble-free operation for years aheadManufactured with cutting-edge technology$75.11
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1999 GMC Sierra Models
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