BLLA 149 P 1471/

BOSCH INJECTOR NOZZLE: DLLA149P1471 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA149P1471
BOSCH MEC / Catalog Number: 0 433 171 914
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 110 239 / 0 445 110 311 / 0 986 435 122
- OEM / Vehicle Manufacturer: FORD, CITROËN, PEUGEOT
- Typical Applications (with HP / kW):
• Ford Focus, C-Max, Fiesta 1.6 TDCi – 90 HP / 66 kW, 109 HP / 80 kW
• Citroën C3, C4, C5 1.6 HDi – 90 HP / 66 kW, 110 HP / 81 kW
• Peugeot 207, 308, 3008 1.6 HDi – 90 HP / 66 kW, 110 HP / 81 kW

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: Small to mid-size passenger cars with 1.6 L Common Rail Diesel engines.
Engine Type: Inline-4, 1.6 L CRDi / HDi / TDCi, Euro 4 / Euro 5 compliant
Injector Technology: BOSCH Common Rail Solenoid Injector.
Nozzle Type: DLLA149P1471 — precision multi-hole nozzle for proper atomization and combustion.
Technical Characteristics:
- Material: High-strength tool steel
- Number of Holes: 6–7 (engine variant dependent)
- Hole Diameter: ~0.149 mm
- Spray Angle: 149°
- 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 FORD, CITROËN, PEUGEOT, 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.