Precision-Engineered Common Rail Injector Control Spray Valve
High-performance 9308-621C control spray valve designed for optimal fuel atomization, ensuring precise injection timing and reduced emissions. CNC-machined from hardened steel with ultra-fine polishing for seamless flow and durability.
Direct OEM Replacement
Compatible with part numbers 28538389 and 28239294, exact match for injector nozzle L342PRD. Rigorously tested to meet OEM specs for pressure resistance (1800+ bar) and thermal stability.
Efficiency-Boosting Design
Micro-laser drilled spray holes deliver uniform fuel dispersion, improving combustion efficiency by 15%—ideal for heavy-duty diesel engines in trucks, construction equipment, and agricultural machinery.
Global Wholesale Advantage
Lowest bulk pricing worldwide with no MOQ restrictions. Ready to ship from our cross-border warehouses with full certifications (ISO 9001, RoHS).
Industry-Proven Reliability
Extended service life (50,000+ cycles) thanks to tungsten-carbide coating on critical wear surfaces. Trusted by fleet operators and engine rebuild specialists.