Key Specifications:

• Part Number: Bosch 0 445 110 088 (equivalent to Scania 1730888)

• Engine Compatibility: Scania DC9 series (e.g., DC9 02, DC9 03, DC9 04, DC9 05, DC9 06)

• Fuel System: Common Rail (High-Pressure Direct Injection)

• Nozzle Type: Piezo-electric or solenoid-controlled (depending on the exact model)

• Pressure Rating: Typically operates at 1,600–2,500 bar (varies by engine calibration)

• Sealing Washer: Usually requires a new sealing washer (copper or aluminum) upon installation.

Applications:

• Scania Trucks: P, G, R-series with DC9 engines

• Industrial/Off-Road: Some Scania industrial engines and marine applications

  The Bosch 1730888 fuel injector is a high-precision common rail solenoid injector designed for Scania DC9 engines. Below is a breakdown of its structure and the advantages it offers in terms of performance, efficiency, and durability.

• 1. Structural Components of the Injector

• The injector consists of several key components, each playing a critical role in fuel delivery:

• A. Nozzle Assembly

• Nozzle Type: Multi-hole VCO (Valve Covered Orifice) or Mini-Sac design.

• Spray Holes: Typically 7-8 holes for optimized fuel atomization.

• Spray Angle: ~150°–160° for optimal combustion chamber coverage.

• B. Solenoid Valve

• High-speed solenoid actuator (response time < 0.5 ms).

• Precision-controlled by the ECU for multiple injection events (pilot, main, post-injection).

• C. Pressure Chamber & Control Piston

• Handles extreme pressures (up to 2,500 bar).

• Hydraulically balanced for consistent fuel delivery.

• D. Filter & Fuel Inlet

• Integrated fine filter to prevent debris from entering the nozzle.

• High-pressure seal to prevent leaks.

• E. Electrical Connector

• Bosch EV/HEV-type connector for secure ECU communication.

• Low-resistance coil (~0.2–0.5 Ω) for fast actuation.

• 2. Key Advantages of the Bosch 1730888 Injector

• A. High Precision & Fast Response

• Solenoid valve enables ultra-fast opening/closing (critical for multiple injections per cycle).

• Accurate fuel metering (±1% deviation), improving combustion efficiency.

• B. Superior Fuel Atomization

• Multi-hole nozzle ensures fine fuel spray, reducing soot and improving emissions.

• Optimized spray angle enhances air-fuel mixing, increasing power and efficiency.

• C. Durability Under Extreme Conditions

• Hardened materials resist wear from high-pressure diesel.

• Robust sealing (copper/aluminum washers) prevents leaks.

• D. Compatibility with Advanced Engine Management

• Supports pilot injection (quieter combustion) and post-injection (DPF regeneration).

• Programmable correction codes ensure precise fueling across all cylinders.

• E. Reduced Emissions & Better Fuel Economy

• Cleaner combustion lowers NOx and particulate emissions.

• Optimized injection timing improves fuel efficiency by 3–5% compared to older injectors.