original 250-1308 Diesel Fuel Injector 392-6214 250-1300 3920200 Replacement for OEM Spare Parts new injector original new injector

Engineered specifically for the 3512B platform, the 250-1308 diesel fuel injector delivers reliable direct injection performance across 3512B, 3516B and 3508B HD series engines. Built with hardened alloy steel construction and precision-machined internal components, this injector operates consistently under the high-pressure conditions demanded by industrial diesel applications. The direct replacement design supports both OEM reman and aftermarket service channels, giving fleet operators and engine rebuilders a dependable component for scheduled overhauls and unplanned repairs. Authorized cross references 10R-1280, 1521887, 1628810, 2290195, 3861760, 3920208 and 0R7780 ensure full compatibility with existing fuel system configurations.

Optimized for heavy-duty duty cycles, the 250-1308 injector improves fuel atomization, which directly contributes to better fuel economy, lower emissions, enhanced power delivery, reduced smoke and extended engine service life. Industrial-grade materials and tight manufacturing tolerances allow the unit to perform reliably in generator sets, marine propulsion systems, mining trucks, drilling rigs and industrial power units operating across North America, Europe, Asia Pacific, the Middle East and Africa. Each injector is backed by a 6–12 month warranty and is calibrated to meet or exceed OEM performance specifications, reducing downtime and overall maintenance costs.

Routine maintenance practices significantly extend injector life. Operators are advised to replace fuel filters at recommended intervals, conduct periodic injector performance tests, clean the injector seat area before installation, avoid reusing old seals, apply OEM torque settings during assembly and recalibrate the engine control unit post-installation if required. Systematic diagnosis of faulty injectors using these best practices helps identify corrective actions quickly, minimizing equipment downtime and protecting long-term engine reliability in demanding industrial environments.