BLLA 150 P 1744

BOSCH INJECTOR NOZZLE: DLLA150P1744 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA150P1744
BOSCH MEC / Catalog Number: 0 433 172 067
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 110 425 / 0 445 110 450
- OEM / Vehicle Manufacturer: OPEL / VAUXHALL / CHEVROLET
- Typical Applications (with HP / kW):
• Opel Corsa D 1.3 CDTI – 75 HP / 55 kW
• Opel Astra J 1.3 CDTI – 95 HP / 70 kW
• Opel/Vauxhall Aveo 1.3 CDTI – 75 HP / 55 kW

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: Small passenger cars with 1.3 L CDTI / d Euro 5 engines.
Engine Type: Inline-4, 1.3 L Common Rail Diesel, Euro 5 compliant
Injector Technology: BOSCH Common Rail Solenoid Injector.
Nozzle Type: DLLA150P1744 — precision multi-hole nozzle for efficient atomization and combustion.
Technical Characteristics:
- Material: High-strength tool steel
- Number of Holes: ~7
- Hole Diameter: ~0.150 mm
- Spray Angle: 150°
- Operating Pressure: 1600–1800 bar
- Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
- Performance Features: Optimized for smooth idle, precise combustion, low emissions, and long service life

III. Critical Technician Notes (MUST-DO)

1. Clean Installation: Thoroughly clean the nozzle (ultrasonic cleaning recommended) before fitting.
2. Sealing Components: Replace all O-rings, copper washers, and seals; never reuse old parts.
3. Injector Mounting: Follow OEM torque and alignment specifications.
4. Post-Installation Testing: Perform leak-back or test-bench spray tests to verify proper spray pattern and ensure no leaks.
5. Calibration / Coding: Use Opel / Vauxhall / Chevrolet or BOSCH diagnostic tools if injector coding is required.
6. Fuel Quality Notes: Use clean, high-quality diesel; replace fuel filters during service.
7. Storage & Handling: Store nozzles in a dry, dust-free environment; protect the tip from mechanical damage.
8. Common Fault Symptoms: Hard start, rough idle, black smoke, reduced power, excessive fuel return flow.