Import Diesel Nozzle 5621703 Bdll140s6656c — Buy in Bulk from Supplier in China

The Diesel Nozzle 5621703 Bdll140s6656c is a direct replacement component designed for medium-duty diesel injection systems, commonly used in commercial vehicle engines. It features a 140mm body length, a 6.65mm orifice diameter, and a 5621703 OEM reference code. The nozzle is manufactured from hardened tool steel with a surface finish of Ra 0.4 micrometers to ensure precise fuel atomization and consistent spray pattern integrity.

This nozzle is built to match the standard geometry and flow characteristics of original equipment injectors for Cummins, Isuzu, and similar diesel platforms. The internal channel tolerances are held to ±0.005mm, and the needle valve is hardened to HRC 58-62. Typical industry materials include AISI 4140 or equivalent alloy steel, with nitriding treatment for wear resistance. Nozzle tips are precision laser-drilled to maintain spray angle consistency across production batches.

This component is purchased by fleet maintenance operators, diesel engine rebuilders, and parts distributors in Southeast Asia, Africa, and Eastern Europe. Buyers typically order in batches of 50 or more units. Packaging is in sealed anti-corrosion bags with individual foam inserts. Lead time is generally 7 to 14 days after order confirmation, and payment terms are commonly T/T in advance. Incoterms are usually FOB Fuzhou Port.

Chen Chen Diesel Parts Plant operates from Fuzhou, Fujian Province, and specializes in manufacturing diesel fuel injection components including nozzles, plungers, and delivery valves. The supplier is verified as an exporter with a harbor trust tier and has listed multiple OEM-compatible part numbers across its catalog. There is no public data on factory size, workforce, or years in operation. The listing confirms export experience but does not name specific clients or certifications.

The supplier does not claim ISO certification, laboratory testing facilities, or in-house R&D. Response metrics are unavailable, and no contact person is named beyond a generic signature. All product claims are limited to functional compatibility and export readiness. Buyers should treat this as a manufacturer of replacement parts without brand affiliation or formal quality system disclosures.