BLLA 150 P 1734

BOSCH INJECTOR NOZZLE: DLLA150P1734 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA150P1734
BOSCH MEC / Catalog Number: 433172061
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 110 322 / 0 445 110 351
- OEM / Vehicle Manufacturer: FIAT – 1.3 L MultiJet II diesel engines
- Typical Applications (with HP / kW):
• Fiat Panda 1.3 MJ – 75 HP / 55 kW
• Fiat Punto 1.3 MJ – 75 HP / 55 kW
• Fiat 500 1.3 MJ – 75 HP / 55 kW
• Fiat Doblo 1.3 MJ – 75–90 HP / 55–66 kW
• Fiat Fiorino 1.3 MJ – 75 HP / 55 kW

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: Small passenger cars and light commercial vehicles using Fiat 1.3 L MultiJet II diesel engines.
Engine Type: 1.3 L inline-4 Common Rail Diesel, Euro 5 / Euro 6 compliant.
Injector Technology: BOSCH Solenoid-Type Common Rail Injector.
Nozzle Type: DLLA150P1734 — precision multi-hole nozzle optimized for small diesel engines.
Technical Characteristics:
- Material: High-strength, heat-treated tool steel
- Fuel Compatibility: EN 590 Diesel / Biodiesel blends up to B7
- Performance Features: Precise fuel atomization, low emissions, efficient combustion, long service life.

III. Critical Technician Notes (MUST-DO)

1. Clean Installation: Thoroughly clean the nozzle (ultrasonic cleaning recommended) before installation.
2. Sealing Components: Replace all O-rings and copper washers; never reuse old seals.
3. Injector Mounting: Follow OEM torque and alignment specifications during installation.
4. Post-Installation Testing: Perform a leak-back or test-bench spray pattern check.
5. Calibration / Coding: Perform OEM coding if required by the engine management system.
6. Fuel Quality Notes: Use clean, high-quality diesel; replace filters during injector maintenance.
7. Storage & Handling: Store in a dry, dust-free environment; protect the nozzle tip from damage.
8. Common Fault Symptoms: Hard cold start, rough idle, reduced acceleration, black smoke, excessive fuel return.