
Bosch Injector 120 Series is a mainstream injection assembly matched with National IV and National V heavy-duty diesel engines, widely applied to heavy trucks, large construction machinery and generator sets. It offers optional piezoelectric and electromagnetic structures with maximum injection pressure up to 1800bar. The multi-stage pre-injection design optimizes combustion performance. Manufactured with OEM precise dimensions, it features high atomization accuracy and stable operation, compatible with most 120 series engine models, and acts as a mainstream replacement part for vehicle assembly, equipment maintenance and foreign trade export.
🔵 Max 1800bar Injection Pressure with Superior Atomization
🔵 Optional Piezoelectric & Electromagnetic Structures for Wide Compatibility
🔵 Micron Precision Parts, Zero Leakage Under Long-term High Pressure
🔵 Reduce Fuel Consumption & Exhaust to Meet Emission Standards
🔵 Sufficient Stock, Support Bulk Matching & Cross-border Supply


ur products fit engines of major international brands, and our sound supply chain guarantees timely delivery around the world.
Senior engineers with deep fuel system expertise
Advanced equipment ensures high precision and stable quality
Complete range of key engine components
Integrated R&D, manufacturing and delivery service
Serving global markets with reliable supply
Seamlessly visualize quality ellectual capital without superior
Premium products with competitive prices for global clients.
Seamlessly visualize quality ellectual capital without superior