Bosch 0445120342 Fuel Injector

Bosch Common Rail Injector for Ram Diesel

The Bosch Common Rail Injector New, part number 0445120342, is a premium replacement diesel fuel injector for direct injection systems. It is built for 2013-2018 Ram 2500 and Ram 3500 applications and supports OE-style fuel delivery, emissions compliance, and consistent combustion performance.

Key Features

• Bosch Common Rail Injector New for direct injection diesel systems
• OE injector plug type for factory-style electrical connection
• Premium replacement fuel injector with OE-level end-of-line testing
• Includes 1 fuel injector O-ring
• Built to meet original equipment specifications and emissions requirements
• Part number 0445120342 for easy identification

Product Details

Bosch is a major original equipment supplier of diesel fuel system components for passenger vehicles, SUVs, vans, and trucks. This Common Rail Injector line is produced with the latest component updates and specifications, then tested against exact OE test standards before release. For Ram diesel owners, 0445120342 provides a direct-injection fuel delivery solution that aligns with factory system requirements on 2013-2018 Ram 2500 and 2013-2018 Ram 3500 models. This part cross-references 68210105AA for the same application.

Vehicle Fitment

• Fits 2013-2018 Ram 2500, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).
• Fits 2013-2018 Ram 2500, N/A; actual OE part; combustion chamber seal ring pre-assembled at injector; one per cylinder; common rail injector (new).
• Fits 2013-2018 Ram 3500, N/A; one per cylinder; with lower injector O-ring; common rail injector (new).
• Fits 2013-2018 Ram 3500, N/A; actual OE part; combustion chamber seal ring pre-assembled at injector; one per cylinder; common rail injector (new).

Common Symptoms This Injector May Address

• Hard starting or extended crank on a Ram 2500 or Ram 3500 diesel
• Rough idle or uneven cylinder fueling
• Excess smoke from poor atomization or injector wear
• Fuel delivery imbalance affecting drivability and power
• Check engine light related to injector performance or fuel system faults

Installation Notes

Verify engine code, injector calibration requirements, and OE part number match before installation. Follow factory service procedures for common rail diesel systems, including proper sealing surface inspection and torque specifications. Because this injector is listed for one-per-cylinder applications, confirm the correct cylinder location during service on your Ram 2500 or Ram 3500.

Quality Assurance

Bosch manufactures this injector as a premium replacement component with OE test-line validation and updated component specifications. It is backed by a 12-month, unlimited miles, unlimited hours warranty for non-commercial use.