Vemo V99-14-0003 Diesel Glow Plug

VEMO Diesel Glow Plug V99-14-0003

The VEMO V99-14-0003 diesel glow plug is built for 11.5V diesel ignition systems that require an M12 x 1.25 thread size and a compact 69 mm overall height. It is a direct-fit replacement for select Mercedes-Benz diesel applications, including 1990-1995 Mercedes-Benz 300D, 300SD, 350SD, 350SDL, and S350 models.

VEMO’s VEMO product line focuses on OE-style replacement parts for European vehicles, and this glow plug follows that approach with application-specific dimensions and electrical specifications for proper cylinder-head fitment.

Key Features

• Part number: V99-14-0003
• Diesel glow plug for ignition system service
• 11.5V electrical rating
• M12 x 1.25 thread size
• 69 mm height with 12 mm width and 12 mm length
• Fits select Mercedes-Benz diesel models from 1990-1995
• Cross-references Beru GN858 for the same application

Detailed Description

This VEMO diesel glow plug is specified for Mercedes-Benz diesel engines that use an 11.5V glow plug with M12 x 1.25 threads. The dimensions and voltage rating are important for correct cold-start operation, stable preheating, and proper installation in the cylinder head. The V99-14-0003 is listed for 1990-1993 Mercedes-Benz 300D, 1992-1993 Mercedes-Benz 300SD, 1991 Mercedes-Benz 350SD, 1990-1991 Mercedes-Benz 350SDL, and 1994-1995 Mercedes-Benz S350.

For buyers searching for a Mercedes-Benz 300D glow plug, Mercedes-Benz 300SD glow plug, or Mercedes-Benz S350 diesel glow plug, this part number provides a fitment-specific replacement option. The V99-14-0003 also cross-references Beru GN858 for the same application.

Common Issues This Part May Address

• Hard starting during cold weather
• Extended cranking before the engine fires
• Uneven preheating in diesel combustion chambers
• Glow plug replacement during diesel ignition service
• Restoring proper starting performance on Mercedes-Benz diesel models

Installation Notes and Tips

Verify the vehicle’s glow plug voltage and thread specification before installation. Confirm the cylinder-head threads are clean and undamaged, and compare the removed part’s dimensions to the listed 69 mm height and M12 x 1.25 thread size. Use the fitment data to match the correct Mercedes-Benz diesel application, including 1990-1995 Mercedes-Benz 300D, 300SD, 350SD, 350SDL, and S350 models.

Quality Assurance

This VEMO glow plug is an aftermarket replacement part identified by part number V99-14-0003 and built to match the listed electrical and dimensional specifications for the confirmed Mercedes-Benz diesel applications.