Perkins original 20R-1262 Common Rail Injector High Pressure Fuel Nozzle for C3500B Engine 5130B 5230B Excavator Truck Diesel Car Parts Replacement for original new injector

The Original Perkins 3512B Fuel Injector 20R-1262 is a genuine OEM replacement component engineered to deliver precise fuel atomization and consistent injection pressure across the full operating range of the Perkins 3512B diesel engine platform. Manufactured to original Perkins tolerances, this injector features a precision nozzle design, heat-treated internal components, and a corrosion-resistant body that ensures long-term durability in the most demanding industrial, marine, and power generation environments.

This injector assembly is designed to improve combustion efficiency, increase power output, and reduce both fuel consumption and exhaust emissions. Each unit undergoes balanced fuel flow calibration and is leak tested to guarantee reliable performance under high-pressure conditions. It is fully compatible with Perkins 3512B HD, Marine, Generator, and Industrial engine variants, making it suitable for generator sets, commercial vessels, mining trucks, drilling rigs, offshore platforms, and heavy industrial equipment.

During installation, clean the injector seating surfaces thoroughly, use new seals and washers, inspect all fuel lines, and perform complete fuel system bleeding. Verify injector operation and follow Perkins service manual torque specifications. Authorized OE numbers for this product are 20R-1262, 10R-0955, and 3512B. Routine maintenance—using clean diesel fuel, replacing filters regularly, monitoring exhaust smoke, and checking fuel pressure—will help maintain optimal engine performance and extend service life.