BLLA 145 P 1794/

BOSCH INJECTOR NOZZLE: DLLA145P1794 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA145P1794
BOSCH MEC / Catalog Number: 0 433 172 093
System Manufacturer: BOSCH Heavy-Duty Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 120 157 / 0 445 110 734 / 0 445 110 735
- OEM / Vehicle Manufacturer: IVECO, SAIC-IVECO HONGYAN
- Typical Applications (with HP / kW):
• IVECO Stralis 8.7 D – 360 HP / 265 kW
• IVECO Trakker 8.7 D – 360 HP / 265 kW
• SAIC-IVECO HONGYAN 8.7 D engines (OEM: 504255185)

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: Heavy-duty IVECO trucks and commercial vehicles with 8.7 D engines.
Engine Type: Inline-6, 8.7 L Diesel, Euro 5 / Euro 6 compliant
Injector Technology: BOSCH Heavy-Duty Solenoid-Type Common Rail Injector.
Nozzle Type: DLLA145P1794 — precision multi-hole nozzle designed for high-pressure, heavy-duty injection.
Technical Characteristics:
- Material: Heat-treated, high-strength alloy tool steel
- Number of Holes: 6–7 (engine variant dependent)
- Hole Diameter: ~0.145 mm
- Spray Angle: 145°
- Operating Pressure: 1800–2000 bar
- Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
- Performance Features: Optimized for low NOx emissions, high efficiency, and long service life under heavy load

III. Critical Technician Notes (MUST-DO)

1. Injector Calibration: Perform coding & calibration using IVECO OEM diagnostic tools after nozzle replacement.
2. Sealing Components: Replace copper washers, O-rings, and other seals; never reuse old parts.
3. Injector Mounting: Use correct torque and alignment per OEM specifications.
4. Clean Installation: Maintain absolute cleanliness; contamination can damage injectors or rail.
5. Post-Installation Testing: Perform leak-back, pilot injection, rail pressure verification, and full-load performance check.
6. Fuel Quality Notes: Use clean, high-quality diesel; replace fuel filters during service.
7. Storage & Handling: Keep nozzles in a dry, dust-free environment; avoid damaging the tip.
8. Common Fault Symptoms: Hard start, reduced power, black smoke, rough idle, excessive fuel return.