BLLA 140 P 1377

BOSCH INJECTOR NOZZLE: DLLA140P1377 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA140P1377
BOSCH MEC / Catalog Number: 433171855
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector Reference: 0 445 120 036
- OEM / Vehicle Manufacturer: IVECO
- Typical Applications (with HP / kW):
• IVECO Daily 2.3 L / 3.0 L Diesel – 100–146 HP / 74–107 kW
• Suitable for Euro 4 / Euro 5 common-rail diesel engines in medium-duty vans and light commercial vehicles

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: IVECO Daily common-rail diesel vans and light commercial vehicles.
Engine Type: Inline-4 / 2.3 L Diesel, Inline-4 / 3.0 L Diesel (Euro 4 / Euro 5)
Injector Technology: BOSCH Solenoid-Type Common Rail Injector.
Nozzle Type: DLLA140P1377 — high-precision multi-hole nozzle for consistent atomization and efficient combustion.
Technical Characteristics:
- Material: High-strength, heat-treated tool steel
- Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
- Performance Features: Optimized for smooth start, fuel efficiency, low emissions, and durability under medium-duty commercial operation.

III. Critical Technician Notes (MUST-DO)

1. Clean Installation: Ensure the nozzle is thoroughly cleaned before installation (ultrasonic cleaning recommended).
2. Sealing Components: Replace all O-rings, copper washers, and seals.
3. Injector Mounting: Follow OEM torque and alignment specifications.
4. Post-Installation Testing: Perform leak-back test and spray pattern verification on a test bench.
5. Calibration / Coding: Use OEM diagnostic tools if injector coding is required.
6. Fuel Quality Notes: Always use clean, high-quality diesel and replace filters during injector service.
7. Storage & Handling: Store nozzles in a clean, dry environment and protect the tip from mechanical damage.
8. Common Fault Symptoms: Hard start, rough idle, black smoke, loss of power, or increased fuel return flow.