Bosch 0250201035 Duraterm Diesel Glow Plug

The Bosch 0250201035 Duraterm glow plug delivers reliable cold-weather starting performance for select Mercedes-Benz diesel engines, including OM604, OM605, and OM606 engine families. This OE-quality replacement glow plug features Bosch's patented Duraterm dual-control coil technology that reduces glow wait time by more than 50% compared to conventional glow plugs.

Advanced Duraterm Technology:

• Dual-control regulating and heating coil system directs current draw efficiently for faster engine start-up
• Self-regulating system reaches higher temperatures more quickly
• After-glow capable design supports post-glow heating phase for improved overall engine performance
• Operating voltage: 11.5V

Durable Construction:

• Nickel-plated rolled threads (M12 x 1.25) provide increased strength and prevent seizure
• Twin Viton seals protect heating coils against exhaust gas damage for extended service life
• Inconel 601 glow tube material withstands extreme temperatures and resists corrosion
• Fine-grained ceramic insulating powder ensures superior electrical insulation
• PIN-type connector for OE-spec fitment

Technical Specifications:

• Thread Size: M12 x 1.25
• Fitting Depth: 28mm
• Overall Length: 120mm
• Spanner Size: 12mm hex
• Tightening Torque: 25 Nm
• Weight: 67 grams

As an original equipment supplier to Mercedes-Benz and other major manufacturers worldwide, Bosch ensures this glow plug meets or exceeds OEM specifications. Cross-references Mercedes-Benz OE part number 0011591601 and 11591501. Bosch part number 80011.