Bosch 0250403008 Diesel Glow Plug

Bosch Diesel Glow Plug for Diesel Starting

Bosch Diesel Glow Plug 0250403008 is a direct-fit diesel glow plug built around Bosch Duraterm dual-control coil technology. It is engineered to shorten glow wait time, raise temperature quickly, and support smoother cold starts in diesel engines that use post-glow control.

Compatible With 2007-2013 Mercedes-Benz Sprinter 2500 and Sprinter 3500, 2007-2009 Dodge Sprinter 2500 and Sprinter 3500, 2007-2009 Jeep Grand Cherokee, and 2007-2009 Mercedes-Benz E320 diesel applications.

Key Features

• Bosch part number 0250403008
• Duraterm dual-control coil design for faster heat-up
• Self-regulating glow plug operation
• Reduced glow wait time for quicker diesel starting
• Inconel heating element material
• Pin terminal, tapered seat, 8 mm thread diameter
• 31.5 mm glow plug reach and 148 mm overall length
• Pre-heating time listed at 12.0 seconds

Product Details

Bosch 0250403008 is a diesel glow plug designed for engines that rely on precise pre-heating and post-glow control. The dual heating and regulating coil arrangement manages current flow efficiently so the plug reaches operating temperature quickly, which supports faster engine start-up in cold conditions. For vehicles equipped with post-incandescence control, this design also supports a more efficient warm-up phase after start.

This Bosch Diesel Glow Plug line is focused on OE-style diesel ignition performance and consistent electrical control. If you are replacing a worn glow plug in a Mercedes-Benz Sprinter 2500, Sprinter 3500, Dodge Sprinter 2500, Dodge Sprinter 3500, Jeep Grand Cherokee, or Mercedes-Benz E320 diesel, part number 0250403008 is built to match the listed application requirements.

This part cross-references Genuine 0011597101 and 68102087AA for the same application.

Common Problems This Part Can Address

• Hard starting during cold weather
• Extended crank time before the engine fires
• Rough diesel start-up behavior
• Slow glow plug heat-up response
• Faulty glow plug replacement needs on listed diesel models

Installation Notes and Tips

Verify thread diameter, reach, terminal type, and seat style before installation. This glow plug uses an 8 mm thread, pin terminal, and tapered seat, so matching the engine specification is important for proper fitment. Inspect the cylinder head threads and electrical connector condition before installing Bosch 0250403008.

For best results, confirm vehicle coverage by year and engine configuration on the specific Mercedes-Benz Sprinter 2500, Sprinter 3500, Dodge Sprinter 2500, Dodge Sprinter 3500, Jeep Grand Cherokee, or Mercedes-Benz E320 diesel application before replacement.

Quality Assurance

Bosch is a long-established diesel fuel-injection and ignition supplier, and this glow plug reflects that OE-focused engineering approach. The Inconel construction, self-regulating design, and dual-control coil architecture are selected to support consistent diesel starting performance in the listed applications.