BLLA 150 P 1224

BOSCH INJECTOR NOZZLE: DLLA150P1224 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA150P1224
BOSCH MEC / Catalog Number: 0 433 171 774
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 110 083 / 0 445 110 183 / 0 445 110 213 / 0 445 110 231 / 0 445 110 255 / 0 445 110 291 / 0 445 110 376 / 0 986 435 078 / 0 986 435 152
- OEM / Vehicle Manufacturer: Fiat, Opel, Suzuki
- Typical Applications (with HP / kW):
• Fiat Panda / Punto / Bravo / Doblo 1.3 JTD / Multijet – 70 HP / 51 kW, 75 HP / 55 kW
• Opel Corsa / Meriva / Combo 1.3 CDTI – 70 HP / 51 kW, 75 HP / 55 kW
• Suzuki Swift / SX4 1.3 DDiS – 70 HP / 51 kW, 75 HP / 55 kW

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: 1.3 L Multijet / JTD / DDiS common-rail diesel engines for compact and small passenger cars.
Engine Type: Inline-4, 1.3 L Diesel, Euro 4 / Euro 5 compliant
Injector Technology: BOSCH Common Rail Solenoid Injector.
Nozzle Type: DLLA150P1224 — precision multi-hole nozzle for high-efficiency atomization and combustion.
Technical Characteristics:
- Material: High-strength tool steel with anti-wear coating
- Number of Holes: ~7 (engine variant dependent)
- Hole Diameter: ~0.130 mm (approximate)
- Spray Angle: 150°
- Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
- Operating Pressure: 1600–1800 bar typical for 1.3 JTD / CDTI engines
- Performance Features: Optimized for smooth idle, precise fuel delivery, low emissions, and long service life

III. Critical Technician Notes (MUST-DO)

1. Clean Installation: Clean nozzle thoroughly (ultrasonic cleaning recommended) before installation.
2. Sealing Components: Replace copper washers, O-rings, 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 no leaks.
5. Calibration / Coding: Use Fiat, Opel, Suzuki, 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 clean, dry environment; protect tip from mechanical damage.
8. Common Fault Symptoms: Hard start, rough idle, black smoke, reduced power, excessive fuel return flow.
9. Long-Term Monitoring: Monitor injector leak-off, idle stability, and fuel return after replacement.