Autolite 1113 Diesel Glow Plug

Autolite 1113 Diesel Glow Plug Overview

Autolite 1113 is a diesel glow plug built for dependable cold starts and consistent pre-heating performance. It is a direct-fit option for select Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 diesel applications from 2001-2005.

With a copper glow plug material, 95w 11v rating, and 9-second pre-heating time, this glow plug is engineered for steady heat delivery in passenger cars and light trucks. The 10mm x 1.25 thread size, 12mm hex size, 7mm hex connector type, and 5.37-inch overall length support OE-style service replacement needs.

• Autolite part number 1113 for select diesel engine applications
• Fits 2001-2005 Chevrolet Silverado 2500 HD, N/A
• Fits 2001-2005 Chevrolet Silverado 3500, N/A
• Fits 2001-2005 GMC Sierra 2500 HD, N/A
• Fits 2001-2005 GMC Sierra 3500, N/A
• Copper glow plug construction for reliable heat transfer
• 95w 11v glow plug rating with 9-second pre-heating time
• 10mm x 1.25 thread size and 12mm hex size

Detailed Product Description

Autolite 1113 is a diesel glow plug designed for engines that need concentrated heat at startup. The copper element helps deliver rapid thermal response, while the 95w 11v specification supports consistent operation in cold-weather conditions. This makes it a practical replacement for diesel owners servicing 2001-2005 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 models.

This part cross-references Autolite 144 for the same application.

Common Symptoms This Part Can Address

• Hard starting during cold weather
• Extended crank time before the engine fires
• Rough initial idle after startup
• Incomplete pre-heating in diesel combustion chambers
• Glow plug circuit service on select Chevrolet and GMC diesel trucks

Installation Notes and Tips

Verify thread size, connector type, and overall length before installation. Clean the glow plug bore and inspect the electrical connection point for corrosion or damage before fitting the new part. Follow the vehicle service procedure for torque and electrical testing to protect the cylinder head and ensure proper operation.

Quality Assurance

Autolite supplies ignition products for automotive aftermarket and original equipment applications, with OE form, fit, and function focus across many vehicle platforms. Part number 1113 is built to meet the needs of diesel service replacement where dependable glow plug performance is required.