DLLA145SM012 105025-0120 Diesel Nozzle Fuel Sprayer for Isuzu 4BD1 Diesel Engine
DLLA145SM012 is a robust SM-type mechanical nozzle for Isuzu 4BD1 3.9L diesel engines(Hitachi EX120-5 excavators). Constructed from high-density anti-wear alloy steel with precision EDM micro-hole machining, it withstands 1300bar rated pressure and 200–220bar opening pressure, meeting strict OEM standards. It precisely matches injectors 8-94237-578-0/105125-0120 and Bo-sch VE4 mechanical pumps. Delivers accurate fuel metering and fine atomization, boosting combustion efficiency, reducing carbon deposits, and resolving heavy-load power drop and high fuel consumption. Fully inspected for quality; it is a reliable choice for excavator engine overhauls.
| Product Name: | Nozzle |
| Model No.: | DLLA145SM012(105025-0120) |
| Plunger: | Bo-sch VE4 / Isuzu 4BD1 pump |
| Injector: | 105125-0120 |
| Pump: | Bo-sch VE4 / Isuzu 4BD1 pump |
| Engine No: | Isuzu 4BD1 3.9L,Hitachi EX120-5 excavator |
| 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?
Isuzu 4BD1 3.9L,Hitachi EX120-5 excavator.
2. Compatible injectors?
8-94237-578-0,105125-0120.
3. Matching fuel pump?
Bo-sch VE4 mechanical pump,Isuzu 4BD1 pump.
4. Separate plunger?
No,integrated in the mechanical fuel 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
