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Standard Ignition GP126 Diesel Glow PlugOE Quality 60-Day Returns
Part #: GP126

Standard Ignition GP126 Diesel Glow Plug

38 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Canyon, Colorado, Express 2500, Express 3500, Savana 2500, and Savana 3500
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Not what you need? See all Diesel Glow Plug options

Diesel Glow Plug for GM 2.8L Applications

Standard Ignition GP126 is a diesel glow plug built for reliable cold-start performance in supported Chevrolet and GMC diesel applications. It is a direct replacement glow plug for drivers servicing GM diesel trucks and vans that require consistent preheat operation.

Key Features

  • Functions as a diesel glow plug for cylinder preheating during startup
  • Standard Ignition GP126 replacement part
  • Fits 2016-2022 Chevrolet Colorado
  • Fits 2017-2022 Chevrolet Express 2500 and Express 3500
  • Fits 2016-2022 GMC Canyon
  • Fits 2017-2022 GMC Savana 2500 and Savana 3500

Detailed Description

Standard Ignition GP126 is a diesel glow plug used in GM diesel engine applications where dependable combustion chamber heating is needed before and during engine start. This part number is listed for Chevrolet Colorado and GMC Canyon diesel models from 2016-2022, along with Chevrolet Express 2500, Chevrolet Express 3500, GMC Savana 2500, and GMC Savana 3500 from 2017-2022. If you are searching for a diesel glow plug for Chevrolet Colorado 2016-2022 or a glow plug for GMC Canyon 2016-2022, GP126 is the referenced replacement.

This part cross-references Dorman - HELP 21137 for the same application.

Common Issues This Part May Address

  • Hard starting in cold weather
  • Extended crank time before engine fires
  • Rough startup on a diesel engine
  • Glow plug fault codes related to preheat performance
  • Uneven cold-start combustion in supported GM diesel vehicles

Installation Notes and Tips

Verify engine application and existing part number before installation. Inspect the glow plug harness, connector condition, and cylinder head threads during service. Follow the vehicle service procedure for removal and installation to avoid damage to the glow plug or cylinder head.

Quality Assurance

Standard Ignition GP126 is an OE-style replacement part from a brand known for ignition and engine management components. Confirm fitment by year, make, and model before ordering.

BrandStandard Ignition
Part NumberGP126
FunctionsGlow plug

This part fits 38 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2022ChevroletColorado2.8LL4N/A
2022ChevroletExpress 25002.8LL4N/A
2022ChevroletExpress 35002.8LL4N/A
2022GMCCanyon2.8LL4N/A
2022GMCSavana 25002.8LL4N/A
2022GMCSavana 35002.8LL4N/A
2021ChevroletColorado2.8LL4N/A
2021ChevroletExpress 25002.8LL4N/A
2021ChevroletExpress 35002.8LL4N/A
2021GMCCanyon2.8LL4N/A
2021GMCSavana 25002.8LL4N/A
2021GMCSavana 35002.8LL4N/A
2020ChevroletColorado2.8LL4N/A
2020ChevroletExpress 25002.8LL4N/A
2020ChevroletExpress 35002.8LL4N/A
2020GMCCanyon2.8LL4N/A
2020GMCSavana 25002.8LL4N/A
2020GMCSavana 35002.8LL4N/A
2019ChevroletColorado2.8LL4N/A
2019ChevroletExpress 25002.8LL4N/A
2019ChevroletExpress 35002.8LL4N/A
2019GMCCanyon2.8LL4N/A
2019GMCSavana 25002.8LL4N/A
2019GMCSavana 35002.8LL4N/A
2018ChevroletColorado2.8LL4N/A
2018ChevroletExpress 25002.8LL4N/A
2018ChevroletExpress 35002.8LL4N/A
2018GMCCanyon2.8LL4N/A
2018GMCSavana 25002.8LL4N/A
2018GMCSavana 35002.8LL4N/A
2017ChevroletColorado2.8LL4N/A
2017ChevroletExpress 25002.8LL4N/A
2017ChevroletExpress 35002.8LL4N/A
2017GMCCanyon2.8LL4N/A
2017GMCSavana 25002.8LL4N/A
2017GMCSavana 35002.8LL4N/A
2016ChevroletColorado2.8LL4N/A
2016GMCCanyon2.8LL4N/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:

2113755589332DGP1022GLW106

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