DLLA156SM139A 105025-1390 Diesel Nozzle for Weichai WP6 Engine
DLLA156SM139A is a reliable SM-type mechanical nozzle for Weichai WP6 7.2L diesel engines. Constructed from premium anti-wear alloy steel with EDM micro-hole machining, it withstands 1420bar rated pressure and 225–245bar opening pressure, meeting Bo-sch OEM quality standards. It precisely matches injectors VG1560080238/105125-1390 and Bo-sch VE6 mechanical pumps. Delivers stable atomization and consistent injection, resolving slow acceleration, black smoke, idle instability, and high fuel consumption in medium trucks and loaders. Each nozzle is 100% factory inspected for performance; it is a cost-effective replacement for engine maintenance.
| Product Name: | Nozzle |
| Model No.: | DLLA156SM139A(105025-1390) |
| Plunger: | Bo-sch VE6 / Weichai WP6 pump |
| Injector: | 105125-1390 |
| Pump: | Bo-sch VE6 / Weichai WP6 pump |
| Engine No: | 6 7.2L,medium-duty truck,loader |
| MOQ: | 12 pcs |
| Net Weight: | 0.05 KG / PC |
| Packaging Details: | BAT |
| Warranty: | 6 months |
| Delivery Time: | 3-5 Working Days |
| Shipping Way: | FedEx / DHL / UPS |
| Export Market: | Central and South America , Southeast Asia , Africa , Asia , North America etc. |
Frequently Asked Questions
1. Fitting engine?
Weichai WP6 7.2L,medium truck/loader.
2. Compatible injectors?
VG1560080238,105125-1390.
3. Matching fuel pump?
Bo-sch VE6 mechanical pump,Weichai WP6 pump.
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
