Autolite 1123 Diesel Glow Plug

Diesel Glow Plug Overview

Autolite 1123 is a diesel glow plug built for dependable cold-start performance in a range of diesel passenger cars and light trucks. It uses a copper heating element and a 119W, 4.4V rating to deliver concentrated heat for quicker ignition in diesel engines.

Fits 2007-2013 Freightliner Sprinter 2500, N/A; Fits 2007-2013 Freightliner Sprinter 3500, N/A; Fits 2010-2013 Mercedes-Benz Sprinter 2500, N/A; Fits 2010-2013 Mercedes-Benz Sprinter 3500, N/A; Fits 2007-2009 Dodge Sprinter 2500, N/A; Fits 2007-2009 Dodge Sprinter 3500, N/A; Fits 2007-2009 Jeep Grand Cherokee, N/A; Fits 2007-2009 Mercedes-Benz E320, N/A.

Key Features

• Copper glow plug material for consistent heat transfer.
• 119W, 4.4V glow plug rating for diesel starting performance.
• 8mm thread size and 8mm hex for the specified application.
• 5.83 in. (148 mm) overall length.
• Autolite 1123 cross-references H7DC for the same application.

Detailed Description

Autolite 1123 is engineered as a direct-fit diesel glow plug for select Sprinter, Grand Cherokee, and E320 applications. The 8mm x 1 thread size, 8mm hex, and 5.83-inch overall length support proper installation in the listed diesel engines, while the copper construction and 119W output are intended to provide concentrated heat for reliable starts. This part number, 1123, is a practical OE-style replacement for diesel ignition service on Mercedes-Benz, Dodge, and Freightliner applications.

What It Helps Address

• Hard starting in cold weather.
• Slow glow plug heat-up during diesel start cycles.
• Replacement of a worn or failed glow plug.
• Diesel ignition issues in the listed vehicle applications.

Installation Notes and Tips

Verify thread size, hex size, overall length, and electrical rating before installation. Match the application to the listed fitment for your vehicle, and confirm the glow plug connector type and engine specification before service. Use the part number 1123 to confirm the correct replacement during ordering and installation.

Quality Assurance

Autolite positions this glow plug as a dependable, long-lasting ignition component for diesel applications. The brand supplies ignition products to the automotive aftermarket and original equipment manufacturers, and this part number 1123 is built to OE form, fit, and function expectations for the listed applications.