Bosch 0445115059 Fuel Injector

Bosch Common Rail Injector for Mercedes-Benz Diesel

Bosch Common Rail Injector (New) part number 0445115059 is a premium replacement diesel fuel injector for select Mercedes-Benz applications. It is built to OE specifications and tested at end-of-line using exact original equipment test standards for consistent fuel delivery and emissions compliance.

The Bosch Common Rail Injector line focuses on direct-injection diesel performance with updated components and current specifications. For Mercedes-Benz E350, R350, GL350, ML350, and E320 diesel models, this injector supports precise atomization and OE-style operation in common rail fuel systems.

Key Features

• Direct injection diesel fuel injector for common rail systems
• OE plug type for factory-style electrical connection
• Premium replacement grade
• Includes 1 fuel injector O-ring
• Built to meet original equipment emissions specifications
• End-of-line tested to OE test criteria
• Updated with the latest component and specification revisions

Vehicle Fitment

• Fits 2011-2013 Mercedes-Benz E350, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).
• Fits 2011-2013 Mercedes-Benz E350, N/A; actual OE part; combustion chamber seal ring included; one per cylinder; common rail injector (new).
• Fits 2010-2013 Mercedes-Benz R350, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).
• Fits 2010-2013 Mercedes-Benz R350, N/A; actual OE part; combustion chamber seal ring included; one per cylinder; common rail injector (new).
• Fits 2010-2012 Mercedes-Benz GL350, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).
• Fits 2010-2012 Mercedes-Benz GL350, N/A; actual OE part; combustion chamber seal ring included; one per cylinder; common rail injector (new).
• Fits 2010-2011 Mercedes-Benz ML350, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).
• Fits 2010-2011 Mercedes-Benz ML350, N/A; actual OE part; combustion chamber seal ring included; one per cylinder; common rail injector (new).
• Fits 2007-2009 Mercedes-Benz E320, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).
• Fits 2007-2009 Mercedes-Benz E320, N/A; actual OE part; combustion chamber seal ring included; one per cylinder; common rail injector (new).

What This Injector Helps Address

• Hard starting caused by poor diesel fuel atomization
• Rough idle from inconsistent injector spray patterns
• Loss of power from fuel delivery imbalance
• Excess smoke related to worn or inaccurate injection
• Check engine concerns tied to injector performance faults

Installation Notes

Verify the Bosch 0445115059 part number and confirm engine application before installation. This injector uses an OE plug type and is intended for direct-injection common rail diesel systems. Follow factory service procedures for injector coding, sealing surfaces, and torque specifications, and inspect the fuel system for contamination before fitting the new injector.

Quality Assurance

Bosch is a major OE supplier of diesel fuel system components for passenger cars, SUVs, vans, and pickups. This injector is tested to original equipment standards and built to meet emissions requirements. Warranty coverage is 12 months with unlimited miles and unlimited hours for non-commercial use.

This part cross-references Mercedes-Benz 6420701487 for the same application.