HomeAutolite 1113 Diesel Glow Plug
Part #: 1113

Autolite 1113 Diesel Glow Plug

20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500
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Reliable Diesel Glow Plug for Chevrolet and GMC Trucks

The Autolite 1113 diesel glow plug is engineered to provide consistent pre-heating performance for heavy-duty diesel engines. Designed specifically for Chevrolet and GMC models like the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500, this glow plug ensures efficient cold starts and reliable engine operation.

  • Connector Type: 7mm hex for secure electrical connection
  • Glow Plug Material: Copper for effective heat conduction
  • Glow Plug Rating: 95 watts at 11 volts for optimal heating power
  • Hex Size: 12mm for easy installation and removal
  • Overall Length: 5.37 inches (136.398mm) to fit specified engine configurations
  • Pre-Heating Time: 9 seconds for quick engine start-up
  • Thread Size: 10mm x 1.25 for precise fitment

Technical Details and Compatibility

The Autolite 1113 glow plug is constructed from copper, a material known for its excellent thermal conductivity, which helps achieve rapid and uniform heating. With a 95w 11v rating, it delivers sufficient power to preheat the combustion chamber efficiently. The 7mm hex connector type and 12mm hex size allow for straightforward installation using standard tools. Measuring 5.37 inches in length, this glow plug is designed to fit the diesel engines in Chevrolet Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 models. The thread size of 10mm x 1.25 ensures a secure and proper fit within the engine block.

Applications and Problem Solving

  • Improves cold start performance in diesel engines
  • Reduces white smoke emissions during engine start-up
  • Prevents rough idling caused by incomplete combustion
  • Minimizes engine misfires related to insufficient glow plug heating
  • Supports reliable operation in low-temperature environments

Installation Notes and Tips

When installing the Autolite 1113 glow plug, ensure the engine is cool to avoid damage. Use a 12mm hex socket for removal and installation, and verify the thread size matches the engine specifications (10mm x 1.25). Tighten the glow plug to the manufacturer’s recommended torque to prevent leaks or damage. Check the electrical connector for a secure 7mm hex fit to maintain proper current flow. It is advisable to inspect the glow plug wiring and relay during replacement to ensure the entire pre-heating system functions correctly.

Quality Assurance and Warranty

Autolite glow plugs are manufactured to meet OEM standards for durability and performance. The 1113 model undergoes rigorous quality control to ensure consistent heating and fitment. While specific warranty details may vary, Autolite products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.

BrandAutolite
Part Number1113
Connector Type7mm Hex
Glow Plug MaterialCopper
Glow Plug Rating95w 11v
Hex Size12mm
Overall Length5.37" (136.398mm)
Pre-Heating Time9
Thread Size10mm X 1.25

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005ChevroletSilverado 2500 HD6.6LV8N/ADiesel Glow Plug
2005ChevroletSilverado 35006.6LV8N/ADiesel Glow Plug
2005GMCSierra 2500 HD6.6LV8N/ADiesel Glow Plug
2005GMCSierra 35006.6LV8N/ADiesel Glow Plug
2004ChevroletSilverado 2500 HD6.6LV8N/ADiesel Glow Plug
2004ChevroletSilverado 35006.6LV8N/ADiesel Glow Plug
2004GMCSierra 2500 HD6.6LV8N/ADiesel Glow Plug
2004GMCSierra 35006.6LV8N/ADiesel Glow Plug
2003ChevroletSilverado 2500 HD6.6LV8N/ADiesel Glow Plug
2003ChevroletSilverado 35006.6LV8N/ADiesel Glow Plug
2003GMCSierra 2500 HD6.6LV8N/ADiesel Glow Plug
2003GMCSierra 35006.6LV8N/ADiesel Glow Plug
2002ChevroletSilverado 2500 HD6.6LV8N/ADiesel Glow Plug
2002ChevroletSilverado 35006.6LV8N/ADiesel Glow Plug
2002GMCSierra 2500 HD6.6LV8N/ADiesel Glow Plug
2002GMCSierra 35006.6LV8N/ADiesel Glow Plug
2001ChevroletSilverado 2500 HD6.6LV8N/ADiesel Glow Plug
2001ChevroletSilverado 35006.6LV8N/ADiesel Glow Plug
2001GMCSierra 2500 HD6.6LV8N/ADiesel Glow Plug
2001GMCSierra 35006.6LV8N/ADiesel Glow Plug

* 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:

14462G7808

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