1. Core Performance Data

2. Installation & Maintenance Guidelines

Product Description

The 20R-4148 fuel injector is manufactured in full compliance with c-aterpillar original design and performance standards, specially matched for the high-pressure fuel supply system of 3412 series V12 engines. With precision-ground internal components and stable injection characteristics, it achieves accurate fuel metering and fine atomization, effectively improving combustion efficiency, reducing fuel consumption and emissions, and minimizing carbon deposits and cylinder wear. Each injector undergoes full-process bench testing for pressure, flow, and sealing to ensure durability and stability under heavy loads, high vibrations, and extreme temperatures. It greatly reduces downtime and maintenance costs, providing OEM-level power support for critical equipment in mining, power generation, oil fields, and ships. It is a reliable and compliant choice for repair, overhaul, and performance restoration of c-at 3412/3412C/3412E engines.

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