Bosch 0445120193 Fuel Injector

Bosch Common Rail Injector 0445120193

Bosch Common Rail Injector 0445120193 is a premium replacement fuel injector for diesel direct-injection systems. It is built for one-per-cylinder applications and includes one fuel injector O-ring for the lower seal.

Bosch is a major original equipment supplier of diesel fuel systems for passenger vehicles, SUVs, vans, and pickups. The Bosch Common Rail Injector line focuses on OE-style fuel delivery performance for modern diesel engines.

Key Features

• Part number: 0445120193
• Fuel injector type: direct injection
• Injector plug type: OE
• Premium replacement grade
• Package contents: one common rail injector
• Includes 1 fuel injector O-ring
• Previously cataloged as 0445120185
• 12-month / unlimited miles / unlimited hours warranty for non-commercial use

Compatible With Ram and Dodge Diesel Applications

• Fits 2011-2012 Ram 2500, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).
• Fits 2011-2012 Ram 3500, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).
• Fits 2007-2010 Dodge Ram 2500, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).
• Fits 2009-2010 Dodge Ram 3500, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).
• Fits 2007 Dodge Ram 3500, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).

This part cross-references 68002012AA and 68027067AA for the same application.

Detailed Description

Use Bosch 0445120193 when replacing a worn or failed diesel injector in compatible Ram 2500 and Ram 3500 trucks. This common rail injector is specified for direct-injection fuel systems and OE plug connection, making it a direct-fit service part for the listed 2007-2012 Dodge Ram 2500, 2007 and 2009-2012 Dodge Ram 3500, and 2011-2012 Ram 2500 and Ram 3500 applications. The Bosch 0445120193 injector is a practical choice for restoring cylinder-by-cylinder fuel delivery in high-pressure diesel systems.

What It Helps Address

• Hard starting caused by a failing diesel injector
• Rough idle from uneven fuel delivery
• Excess smoke related to injector wear
• Loss of power from poor atomization
• Fuel system fault codes tied to injector performance

Installation Notes and Tips

Verify engine code, injector position, and OE connector style before installation. This injector is listed as one per cylinder and includes the lower injector O-ring; inspect the sealing surfaces, fuel rail connections, and adjacent components during service. Follow factory diesel fuel system procedures for cleaning, priming, and torque specifications to help ensure proper sealing and operation.

Quality Assurance

Bosch supplies OE diesel fuel system components for a wide range of vehicles, and this injector is offered as a premium replacement part. Warranty coverage is 12 months with unlimited miles and unlimited hours for non-commercial use.