Caterpillar original 20R-1272 Diesel Fuel Injector For Caterpillar 3508 3512 C13 C3500, Replacement for OEM 392-0211, Cross Reference 386-1753, Compatible with 392-0201 Engines original new injector

Built to meet the stringent performance requirements of Caterpillar 3512B series high-horsepower diesel engines, the 20R-1272 fuel injector assembly is a critical component of the engine’s diesel fuel injection system. Manufactured according to OEM specifications with hardened alloy steel construction, it ensures reliable compatibility and operational durability in continuous-duty industrial environments. It is compatible with all 3512B engine variants, including standard diesel, HD, marine, offshore, petroleum and mining configurations.

Operating as a precision-controlled high-pressure direct injection component, the injector uses a calibrated wear-resistant needle valve to atomize pressurized diesel into microscopic droplets before controlled delivery to the combustion chamber. This precision injection process optimizes combustion efficiency, reduces fuel consumption and exhaust emissions, cuts carbon deposits, boosts consistent power output, and extends the overall service life of the engine.

The injector supports a broad range of heavy industrial use cases across power generation, marine propulsion, mining, oil and gas, and general industrial sectors. It fits equipment including generator sets, marine vessels, offshore platforms, mining and oilfield equipment, and emergency backup power systems. Available in new and remanufactured conditions, it is shipped in industrial export packaging for global supply and backed by a 12-month warranty.