The Hongjiang 140TE3210 Diesel Fuel Injection Nozzle is a premium-grade needle valve couple specifically engineered for Daihatsu DK-20 marine and industrial diesel engines. Manufactured from high-strength cylindrical hardened steel, this water-cooled oil nozzle features a meticulously crafted central needle stem and a precision multi-hole nozzle face to ensure optimal fuel atomization and maximum combustion efficiency. Built to meet exact OEM specifications under drawing number 210210834, it guarantees reliable performance, superior thermal resistance, and longevity in demanding engine environments. Each unit is securely packaged in an individual yellow protective box to maintain its pristine condition during transit and storage.