Product Details
The injector adopts a six-hole nozzle tip with a 120° injection jet angle and 0.18mm micro injection bore, strictly following OEM baseline technical requirements. Its optimized atomization structure achieves uniform fuel mist distribution and optimal air-fuel mixing inside engine cylinders. This design effectively restricts carbon deposit buildup, cuts toxic exhaust emissions, and realizes cleaner, more efficient combustion for heavy-duty construction machinery.



Video Description
Product Parameters
| Part Number |
B03901A |
| Items | Fuel Injector |
| Type | Oil pump, oil nozzle |
| Condition | New |
| Material | 45# steel |
| Compatible Models | JCB Engine |
| Price | $9.5-$10 |
| Shape | Standard injector shape |
| Working Temp | Adapt to diesel engine normal working temperature |
| Lead Time | 3-10 working days (According to quantity and seasons, the lead time is different) |
| MOQ | 4 PC |
| OEM | Acceptable (customized tag, label, logo) |
| Sample | Available (sent first for quality inspection) |
Our Advantages
Our modern workshop features linked automatic precision machining stations, operated by dozens of skilled technicians specializing in heavy-duty injector production.
As a fully qualified OEM manufacturer with full production control, we finish all polishing, assembly and pressure testing of B03901A in our own factory. No key precision processing work is outsourced to outside manufacturers.




FAQ
1.What Factory Testing Standards Ensure The LJBB04101A Injector Matches OEM-Level Durability And Operational Reliability?
All core components undergo strict high-frequency pulse fatigue tests and variable-cycle stress detection before delivery. With full in-house precision machining, standardized assembly and professional flow-pressure calibration, every finished injector retains consistent OEM technical parameters. It achieves flawless matching and coordinated operation with original engine systems, providing long-term durability and ultra-low failure rate for aftermarket replacement.
2.What Performance Advantages Help The LJBB04101A Injector Reduce Long-Term Engine Maintenance Costs?
Thanks to refined micro-bore atomization and optimized fuel injection logic, this injector significantly suppresses carbon buildup and cylinder wear caused by poor combustion. Its high wear-resistant structural design greatly extends service life and lowers engine failure frequency, effectively cutting recurring maintenance downtime and spare parts replacement costs for JCB engineering machinery.
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