Product Description:

b-osCH 703 Positive Nozzle Series Fuel Injector (Model: 5224920) Product Description

b-osCH 703 Positive Nozzle Series Fuel Injector (Model: 5224920) is a high-precision core component specially designed for diesel single-cylinder pump systems and large engine nozzle holder assemblies, adhering to b-osCH’s strict global OE production standards and the 703 Positive Nozzle series’ core advantages of stable sealing, efficient atomization and ultra-long durability. As a key model in the 703 series, it adopts b-osCH exclusive hydraulic grinding process to round the edges of spray hole inlets, combined with dual-angle needle design to ensure precise contact and positive sealing, achieving stable and efficient fuel injection even under high-pressure and harsh working conditions. Its core features include precise fuel delivery control, excellent high-pressure bearing capacity (max 1800bar), ultra-long service life (up to 20000 hours) and strong fuel adaptability, which can effectively improve engine combustion efficiency, reduce harmful emissions, and ensure consistent power output for a long time. The product adopts high-strength chrome alloy steel for the nozzle tip and high-quality cast iron for the body, with core components undergoing precision CNC machining and high-temperature heat treatment, greatly enhancing its heat resistance, corrosion resistance and wear resistance, and its performance is far superior to similar products. It is fully compatible with matching OEM cross-reference numbers, supports quick installation without complex modific-ation, and is widely applicable to heavy-duty commercial vehicles, industrial diesel equipment, agricultural machinery, large diesel generators and engineering machinery equipped with b-osCH single-cylinder pump systems, especially suitable for Cummins, IVECO, CASE, c-aterpillar and other mainstream models. Strict multi-channel quality testing (100% pre-delivery inspection) and comprehensive after-sales support ensure its stable operation in harsh working conditions such as high temperature, high pressure and dust, making it an ideal OE replacement part for users pursuing high reliability and long service life.

1. Core Technical Parameters (b-osCH 5224920)

2. Compatible Equipment (b-osCH 5224920)

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