original 7E-8836 Common Rail Fuel Injector Assembly for 3508 3512 3516 3500A Engine 994 777B 785 789 D11N Diesel Parts new injector original new injector

The 3512A fuel injector, part number 7E-8836, is engineered as a direct replacement component for the 3512 engine family. This injector is specifically calibrated for the 3512A, 3512B, and 3512C heavy duty turbocharged diesel engines, ensuring precise fuel delivery and optimal combustion characteristics across each engine variant. The OEM-level compatibility with 3264432 reference specifications guarantees that the injector integrates seamlessly with existing fuel system architecture, preserving factory performance parameters without requiring system modifications or recalibration.

Manufactured from high strength alloy steel, the 7E-8836 injector features an advanced nozzle design that delivers superior fuel atomization across a wide operating temperature range from -40°C to +120°C. This precise injection technology enhances fuel economy while significantly reducing exhaust emissions, meeting the operational demands of generator sets, marine propulsion systems, and industrial power modules. The corrosion-resistant and high temperature resistant construction ensures long service life even under continuous heavy load conditions typical of power station, mining, and offshore platform applications where the 3512 series engines are commonly deployed.

For maintenance and installation, operators should follow factory specifications when fitting the 7E-8836 injector into the 3512A engine platform. The procedure includes thorough cleaning of the injector bore, inspection of the cylinder head injector seat, replacement of all sealing washers, and lubrication of O-rings prior to installation. Correct torque application on retaining hardware and post-installation fuel system bleeding are essential to verify proper injection pressure and eliminate leakage. Regular inspection of spray patterns and monitoring of exhaust conditions will help identify early signs of injector wear such as hard starting, power loss, black smoke emission, or increased fuel consumption, enabling timely replacement to maintain 3512A engine reliability.