BSLA 154 P 1320

BOSCH INJECTOR NOZZLE: DSLA154P1320 – FULL SPECIFICATION

I. Key Identification & Compatible Injectors

Nozzle (Injector Tip) P/N: DSLA154P1320
BOSCH MEC / Catalog Number: 0 433 175 395
System Manufacturer: BOSCH Common Rail Diesel Injection System.

Compatible Injector Assembly P/N(s):
- BOSCH Injector References: 0 445 110 105 / 0 445 110 170 / 0 445 110 171 / 0 445 110 181 / 0 445 110 189 / 0 445 110 190
- OEM / Vehicle Manufacturer: Mercedes-Benz, Jeep
- Typical Applications (with HP / kW):
• Mercedes-Benz Sprinter 208 / 211 / 216 / 308 / 311 / 316 / 416 / 616 CDI – 109–156 HP / 80–115 kW
• Mercedes-Benz Vito 2.2 CDI / 2.7 CDI – 109–156 HP / 80–115 kW
• Jeep Grand Cherokee 2.7 CRD – 150 HP / 110 kW

II. Vehicle / Engine Application & Technical Data

Primary Vehicle Application: Mercedes-Benz and Jeep 2.2–2.7 L common-rail diesel engines for passenger cars, vans, and SUVs.
Engine Type: Inline-4 / Inline-5, 2.2–2.7 L Common Rail Diesel, Euro 4 / Euro 5 compliant
Injector Technology: BOSCH Common Rail Solenoid Injector.
Nozzle Type: DSLA154P1320 — high-precision multi-hole nozzle for stable atomization and combustion.
Technical Characteristics:
- Material: High-strength, heat-treated tool steel
- Number of Holes: 5–6 (engine variant dependent)
- Hole Diameter: ~0.145 mm
- Spray Angle: 154°
- Fuel Compatibility: EN 590 Diesel / B7 Biodiesel blends
- Operating Pressure: 1600–1800 bar typical for 2.2–2.7 CDI engines
- Performance Features: Optimized for smooth idle, low emissions, precise fuel delivery, and long service life

III. Critical Technician Notes (MUST-DO)

1. Clean Installation: Clean nozzle thoroughly (ultrasonic cleaning recommended) before installation.
2. Sealing Components: Replace copper washers, O-rings, and all 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 ensure correct spray pattern and no leaks.
5. Calibration / Coding: Use Mercedes-Benz, Jeep, 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 clean, dry environment; protect tip from mechanical damage.
8. Common Fault Symptoms: Hard start, rough idle, black smoke, loss of power, excessive fuel return flow.
9. Long-Term Monitoring: Monitor injector performance (leak-off, idle stability, fuel return) after replacement.