Perkins original  20R-1268 Fuel Injector for C3500B 3508 3512 3516 Marine Engine High Pressure Diesel Nozzle Replacement for OEM original new injector

The Perkins 20R-1268 fuel injector is an OEM original unit injector assembly manufactured to Perkins engineering tolerances for the Perkins 3500 series diesel engine platform. It serves as a direct replacement component for Perkins 3512B, 3512, 3508, 3508B, 3516, and 3516B engines configured in V12 architecture with electronic unit injection. Compatible OE and cross-reference numbers include 20R1268, CA20R1268, 392-0204, CA3920204, 172-4675, 386-1756, 250-1304, 229-0200, 133-3345, 10R-1278, and 10R-1255, covering a broad range of approved interchangeability within the Perkins diesel fuel system.

Engineered for high-pressure injection in heavy-duty continuous duty operations, this injector features optimized nozzle geometry that delivers a superior spray pattern, ensuring complete atomization and combustion. The assembly is constructed from high-strength alloy steel components with corrosion protection suited for marine and offshore environments, and it maintains thermal stability under extreme operating temperatures. Its OEM interchangeability enables direct fitment without modification in approved Perkins injector applications across the 3500 series engine family.

The injector delivers measurable performance benefits including increased combustion efficiency, improved fuel economy, reduced exhaust emissions, faster throttle response, better load acceptance, and reduced carbon deposits. It is widely deployed in power generation, marine propulsion, oil and gas, mining, and industrial manufacturing sectors, making it a reliable fuel system component for generator sets, offshore platforms, marine vessels, mining equipment, and emergency backup power systems worldwide.