Genuine OEM Cummins Part. Cummins 3052255 Fuel Injector Assembly. PTD K-Series Diesel Engine Injector – KTA19 / KTA38 / KTA50 / QSK19. 100% GENUINE OEM CUMMINS. Fuel Injector Assembly – K Series. PTD (Pressure Time Diesel) – Mechanical. Cummins® – Genuine OEM. NEW – Factory Original. 1.68 lbs (0.76 kg). 12.3 × 7.6 × 3.63 inches. ENGINE COMPATIBILITY – FITS THESE CUMMINS K-SERIES ENGINES. Confirm your engine model number before purchasing. Industrial, Generator, Pump Drive. Generator (500-550kW), Pump P780, Marine. Heavy Industrial, Drilling, Mining. Marine, Mining, Large Generator. Heavy Marine, Mining, Industrial. Oil & Gas, Marine, Industrial. KT38-G (500kW / 550kW). Prime / Standby Diesel Genset. ? COMMON EQUIPMENT APPLICATIONS. Diesel Generator Sets – 500kW to 1,000kW+ prime and standby power. Mining Haul Trucks – Komatsu, Liebherr, and other large-frame vehicles. Marine Propulsion & Auxiliary – Commercial vessels and workboats. Oil & Gas Drilling Rigs – Pump and draw-works drive engines. Heavy Construction Equipment – Cranes, scrapers, compressors. Railway Locomotive – Auxiliary and main propulsion engines. Industrial Pump Drives – P780 series pump applications. Stationary Power Plants – Prime and standby generation installations. WHY THIS IS THE RIGHT PART. 100% Genuine Cummins OEM. Manufactured by Cummins® to exact factory engineering specifications. This is not a clone, aftermarket copy, or remanufactured unit – it is a new, genuine Cummins part with original Cummins packaging. Proven PTD Pressure-Time Technology. Cummins’ PTD (Pressure Time Diesel) fuel injection system delivers precise, reliable fuel metering under the full range of operating loads – critical for large industrial and marine applications where consistency is non-negotiable. Direct OEM Drop-In Replacement. Replaces worn or failed injectors with zero modification required. Engineered for Extreme Conditions. Designed to withstand the extreme pressures, temperatures, and duty cycles of large-displacement K-Series engines running in continuous industrial, marine, and power generation service. Recon (reconditioned) equivalent part number: 3052255PX – this listing is for the new original unit. PTD – Pressure Time Diesel (Mechanical Injection). Cummins® K-Series (KTA / KTTA / QSK). Non-Hazardous (NOI – ICE/Automotive). 1.68 lbs / 0.76 kg. Genuine Cummins® OEM – United States. ? WHAT’S INCLUDED IN THIS LISTING. 1 × Cummins 3052255 Fuel Injector Assembly – New, Genuine OEM. Ready for direct installation – no modification or adjustment required. Note: This listing is for ONE (1) injector unit. K38 engines require 12 injectors total; KTA19 requires 6; KTA50 requires 16. Please order the correct quantity for your application. IMPORTANT – PLEASE READ BEFORE PURCHASING. This listing is for ONE (1) injector. Listing price is per unit. Always verify compatibility using your engine model and serial number before ordering. PTD injectors are calibrated for the K-Series PT fuel system. Do NOT use on common-rail or HEUI systems. Injectors should be installed by a qualified diesel technician following Cummins service procedures. If you are unsure of compatibility, message us with your engine serial number and we will confirm. PART NUMBERS & SEARCH REFERENCE. Questions about compatibility or quantity? Send us your engine model + serial number and we’ll confirm the right part for you.