Perkins original Perkins 20R-4147 Fuel Injector Pump for Perkins 3412 3408 3142E Diesel Engine Replacement for OEM new injector original new injector

The Perkins 3412 Series Fuel Injector 20R-4147 is engineered as an OEM original component for the Perkins 3412, 3412B, and 3412C diesel engine platforms. Designed to meet rigorous Perkins OEM standards and global emissions requirements, this injector delivers dependable fuel atomization through precision-machined single or multi-orifice nozzle tips. It supports both mechanical and common rail injection systems, with an operating pressure range of 1200–1600 bar and a spray angle of 150°–160°, ensuring uniform combustion across varied load conditions.

Manufactured from high-grade alloy steel with corrosion-resistant properties, the 20R-4147 injector is built for continuous heavy-duty operation in harsh industrial environments. It is fully compatible with industrial diesel and biodiesel blends, offering flexibility for operators running mixed fuel fleets. Cross-referenced with 10R-7222, 331-8770, and 0R-4171, it provides a direct-fit replacement solution for mining and construction equipment, marine vessels, diesel generators, compressors, and large-scale agricultural machinery. The vertical and inline installation orientation ensures straightforward integration into existing engine setups.

For optimal service life, operators should clean fuel filters regularly, inspect spray patterns and nozzle wear periodically, and replace the injector every 20,000–30,000 operating hours. Using high-quality diesel and following OEM service manuals for troubleshooting will help prevent clogging and maintain consistent engine performance. Backed by a 12-month industrial warranty, the 20R-4147 is available across global markets including the US, EU, APAC, MENA, and LATAM, supported by reliable supply chain availability for B2B procurement.