DLLA150P991 0433171991 Diesel Injection Pump For Yuchai YC6MK YC6L Heavy Duty Engine

DLLA150P991 0433171991 Common Rail Nozzle For Yuchai YC6MK YC6L Heavy Duty Engine

DLLA150P991 (0433171991) is a professional Bo-sch P-type common rail nozzle customized for Yuchai YC6MK and YC6L heavy-duty diesel engines. Adopting precision micro-hole grinding technology and high-pressure resistant alloy material, it features excellent wear resistance and thermal stability under long-term heavy-load operation. It perfectly matches Bo-sch 0445120314 and 0445120394 injectors and supports Bo-sch CP3 common rail pumps. Each nozzle passes 100% flow test and high-pressure sealing test, ensuring consistent injection volume and uniform atomization. It effectively improves combustion efficiency, reduces fuel waste and exhaust emissions, solves common faults such as heavy-load power drop and idle jitter, and is an ideal replacement part for heavy truck and passenger car engine maintenance.

Frequently Asked Questions

1. Which engine does this nozzle fit?  

Special for Yuchai YC6MK and YC6L series heavy-duty diesel engines for heavy trucks and large buses.

2. Matching injector assembly number?  

Compatible with Bo-sch common rail injectors 0445120314 and 0445120394.

3. What fuel pump does it match?  

Matches Bo-sch CP3 series high-pressure common rail fuel pump for heavy-duty engine fuel supply systems.

4. Does it have independent plunger?  

No separate plunger available, the plunger is integrated inside the CP3 pump assembly and cannot be replaced individually.

Certification & Exhibition

Shipping Information

Delivery Time: 3-5 working days for samples; 5-14 working days for bulk orders

Door-to-Door FedEx service for samples

Air or Sea freight for bulk orders

Flexible shipping methods and freight forwarder options available