BLLA 152 P 1661+

BOSCH INJECTOR NOZZLE: DLLA152P1661 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DLLA152P1661
BOSCH MEC / Catalog Number: 433172020
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector Reference: 0 445 110 300 / 0 445 110 524
- OEM / Vehicle Manufacturer: FIAT
- Typical Applications (with HP / kW):
• FIAT Panda, 500, Punto, Doblo 1.3 MJ – 70–95 HP / 52–70 kW

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: FIAT small passenger cars using 1.3 L MultiJet common-rail diesel engines.
Engine Type: Inline-4, 1.3 L Common Rail Diesel, Euro 5 / Euro 6 compliant.
Injector Technology: BOSCH Solenoid-Type Common Rail Injector.
Nozzle Type: DLLA152P1661 — precision multi-hole nozzle for efficient fuel atomization and low emissions.
Technical Characteristics:
- Material: High-strength, heat-treated tool steel
- Fuel Compatibility: EN 590 Diesel / Biodiesel blends up to B7
- Performance Features: Optimized atomization, low NOx emissions, improved fuel efficiency, and reliable long-term operation.

III. Critical Technician Notes (MUST-DO)

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