Bosch 0445120215 Common Rail Injector Assembly

The Bosch 0445120215 is a solenoid-type common rail injector designed for heavy-duty commercial vehicle applications. It belongs to the Bosch CRIN injector series utilizing the CRS (Common Rail System) technology for high-pressure fuel injection. Primary application covers FAW Jiefang J5 and J6 heavy-duty trucks equipped with the Xichai 6DM2 11.0-liter diesel engine (Euro III emission standard, 272kW / 390-430PS). The injector utilizes the DLLA149P2166 nozzle assembly (7-hole, 149µm, 166° spray angle) for optimized combustion chamber matching. Key technical attributes include 24V electrical actuation, high-pressure capability exceeding 1800 bar, and precision-machined hydraulic servo control for pilot, main, and post-injection events. The injector body is constructed from high-grade alloy steel to withstand cyclic combustion pressures. Cross-reference interchange includes Bosch remanufactured part number 0445120394 and service exchange number 0986AD1015. Associated repair kit F00RJ03289 contains the DLLA149P2166 nozzle, control valve F00RJ02035, and sealing components. FAW OEM reference number is 1112010-81D.