The 0445110539 injector is a high-precision, OEM-standard component exclusively developed for B-osch 110 series engines, belonging to the CRI 1-16 category of B-osch common rail injectors in line with B-osch common rail injector classification standards. It adopts B-osch ’s advanced electronic control injection technology and high-strength wear-resistant materials, ensuring stable fuel supply, efficient combustion, and excellent durability. Focusing on the product itself and its correct usage, the following details are presented in 4 tables with supporting descriptions, helping you fully grasp its performance and operation essentials. It is applicable to Jiangling 4JB1 engines, and compatible with Yuchai, Jianghuai, Quanchai related engine models, expanding its application scope while maintaining consistent performance standards that meet B-osch ’s strict quality requirements, and its internal geometric structure is consistent with mainstream CRI injector specifications, which is in line with the structural characteristics of B-osch CRI series injectors widely used in the market.

Table 1: Product Core Parameters

This table details the core parameters of the 0445110539 injector, which determine its compatibility and performance. As a dedicated component for B-osch 110 series engines (also applicable to Jiangling 4JB1 engines and Yuchai, Jianghuai, Quanchai related engine models) and belonging to the CRI 1-16 category, it uses high-strength alloy steel to resist high pressure and corrosion, while the ceramic nozzle (matching nozzle model DLLA151P2363) ensures precise fuel atomization. The Euro 6 diesel adaptation and standard B-osch 110 working pressure (capable of withstanding high injection pressure as required by B-osch injector standards, with its pressure level higher than the basic CRI 2.0 and CRI 2.2 specifications which are 1450bar and 1600bar respectively) perfectly match the engine’s fuel supply needs, guaranteeing stable operation, reducing fuel consumption, and meeting strict environmental emission standards. Its precision manufacturing meets the micron-level dimensional requirements of B-osch common rail injectors, with key parameters such as armature lift (34~61 microns) and air gap (45~85 microns) complying with B-osch CRI series standards, ensuring reliable performance in long-term use. It adopts the standard structural design of B-osch CRIN injectors, consisting of five major components including electromagnet assembly, armature assembly, valve assembly, injector body and nozzle coupling, with precise matching gaps between components to ensure stable injection performance, which is consistent with the internal structural characteristics of mainstream CRI injectors.

Table 2: Product Usage Methods

Proper usage directly affects the service life and performance of the 0445110539 injector. Pre-installation preparation ensures no damage to the product, while standard torque (anti-clockwise tightening) protects the injector and engine, which is in line with the standardized disassembly and assembly requirements of B-osch CRI series injectors that have strict precision requirements for assembly cleanliness and measurement accuracy, including key parameters such as armature lift and needle valve lift (420~850 microns for CRI 2.0 and CRI 2.2). Tight pipe/wire connection and post-installation test avoid fuel leakage and electrical failures. Daily attention to fuel quality and regular inspection can effectively prevent nozzle clogging, ensuring the injector maintains precise injection performance, which is crucial for its application in both B-osch 110 series and Jiangling 4JB1, Yuchai, Jianghuai, Quanchai related engines and consistent with B-osch ’s quality management norms. Its working principle follows the hydraulic servo mode of B-osch CRIN injectors, and correct operation can avoid excessive wear of moving parts and ensure the stability of injection timing, which is consistent with the working principle of CRI series injectors.

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