BLLA 148 P 1407\

BOSCH INJECTOR NOZZLE: DLLA148P1407 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA148P1407
BOSCH MEC / Catalog Number: 0433171873
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector Reference: 0 445 110 213
- OEM / Vehicle Manufacturer: FIAT – 1.3 MJ MultiJet engines
- Typical Applications (with HP / kW):
• FIAT Panda / Punto / 500 / Doblo 1.3 MJ – 75 HP / 55 kW
• FIAT Fiorino / Qubo 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 MJ MultiJet diesel engines.
Engine Type: Inline-4, 1.3 L Common Rail Diesel, Euro 5 / Euro 6 compliant.
Injector Technology: BOSCH Common Rail Solenoid Injector.
Nozzle Type: DLLA148P1407 — precision multi-hole nozzle for optimal fuel atomization.
Technical Characteristics:
- Material: High-strength tool steel, heat-treated
- Number of Holes: 7
- Hole Diameter: ~0.148 mm
- Spray Angle: 140°
- Operating Pressure: 1600–1800 bar
- Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
- Performance Features: Optimized for cold start, efficient combustion, low emissions, and long service life

III. Critical Technician Notes (MUST-DO)

1. Clean Installation: Thoroughly clean the nozzle (ultrasonic cleaning recommended) before installation.
2. Sealing Components: Always replace O-rings, copper washers, and seals; do not 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 correct spray pattern and no leaks.
5. Calibration / Coding: Use BOSCH or FIAT 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 in a clean, dry environment; protect the nozzle tip from mechanical damage.
8. Common Fault Symptoms: Hard start, rough idle, black smoke, loss of power, excessive fuel return flow.