Perkins original Perkins 20R-1265 Common Rail Fuel Injector 392-0201 for C3500 3508 3512 3516 Diesel Engine Parts new injector original new injector

The Perkins 20R-1265 Fuel Injector is an OEM-equivalent unit injector assembly engineered for the Perkins 3512B, 3516B, 3508B, 3508, 3512, 3516, and C3500B series diesel engines. It serves as a direct replacement for cross reference numbers 392-0201, 386-1753, 250-1301, 229-0198, 164-7905, 10R-3256, 10R-9617, and 10R-1280, as well as the related 20R-1264, 20R-1266, 20R-1270, 20R-1272, 20R-1275, 20R-1276, 20R-1277, 20R-1278, 20R-1280, and 20R-1282 references, providing a reliable fit across heavy-duty platforms.

Manufactured using high-strength alloy steel with precision-ground internal components and an industrial-grade nozzle assembly, the 20R-1265 delivers high precision fuel metering, superior atomization, and consistent injection pressure. These characteristics work together to optimize combustion efficiency, lower fuel consumption, and reduce exhaust particulate emissions, making the injector well suited to power generation, marine propulsion, mining, oil and gas, and construction machinery applications.

The injector is designed for continuous-duty industrial operation, offering high durability, corrosion resistance for marine and offshore environments, and a long service life under extreme temperatures and high injection pressures. With broad cross-reference coverage and a robust build quality, the Perkins 20R-1265 is a dependable choice for fleet operators, service workshops, and equipment owners maintaining Perkins 3500 series engines in the most demanding working conditions.