Bosch 0250603012 Diesel Glow Plug

Bosch Diesel Glow Plug for Ford Super Duty

Bosch DuraSpeed diesel glow plug technology helps modern diesel engines reach operating temperature quickly and hold heat longer for dependable cold starts. This Bosch 0250603012 glow plug is built for Ford Super Duty diesel applications and supports smoother starting, cleaner combustion, and quieter engine operation.

Key Features

• Bosch Diesel Glow Plug, part number 0250603012
• DuraSpeed sheathed-element design for faster heat-up and longer glow retention
• 2.0 second pre-heating time
• 148 mm length; 5.826772 in total length
• 9 mm hex size with tapered seat type
• Supports controlled post-glow operation for stable diesel combustion
• Engineered for integration with the engine management system

Product Details

The Bosch Diesel Glow Plug line is built around sheathed-element construction that helps diesel engines start more consistently in low temperatures. Bosch 0250603012 is specified for Ford F-250 Super Duty and Ford F-350 Super Duty diesel applications, including 2012 models from 02/2012 and 2013-2019 trucks. For buyers searching for a Ford F-250 Super Duty glow plug or Ford F-350 Super Duty diesel glow plug, this part number provides a direct match to the listed fitment.

As part of Bosch’s Diesel Glow Plug range, this component is designed to work seamlessly within the vehicle’s engine management strategy. The controlled post-glow phase helps support low-emission operation and quieter running after startup, while intelligent energy management reduces electrical load on the battery and charging system.

Common Issues This Part Addresses

• Hard starting in cold weather
• Extended crank time on diesel startup
• Rough idle immediately after ignition
• Excess smoke during cold starts
• Uneven combustion during warm-up

Installation Notes and Tips

Verify engine code and build date before ordering, especially on 2012 Ford F-250 Super Duty and Ford F-350 Super Duty applications built from 02/2012 onward. Confirm the tapered seat, 9 mm hex size, and 148 mm overall length against the original part before installation. Follow the vehicle service procedure for torque, electrical connection checks, and glow plug system diagnostics.

Quality Assurance

Bosch is a long-established supplier of diesel engine components, and the 0250603012 glow plug is built to meet the demands of modern diesel engine management systems. This part cross-references Bosch 0250603012 for the same application.