Caterpillar Injector 3512B Factory High-quality Truck Engine Assembly Parts Fuel Injectors 392-0208 10R-1278 For Diesel Engine Original New Injector

Parameter Item

Specific Value

Part Number

10R-1278

Compatible Engine Model

c-aterpillar 3512B Series Diesel Engine

Injector Type

MEUI (Mechanically Actuated Electronically Controlled Unit Injector)

Rated Injection Pressure

1600-2100 bar (High-Precision Atomization Design)

Material Construction

High-Strength Wear-Resistant Alloy Steel, Anti-Corrosion Sealing Parts

Operating Temperature Range

-40°C to 155°C

Fit Type

Direct OEM Replacement, Tool-Free Plug-and-Play Installation

Certific-ation Standard

c-aterpillar Original Factory Quality Standard

Advantage c-ategory

Detailed Performance Benefits

Fuel Injection Precision

Ultra-fine fuel atomization (particle size ≤45 microns); injection timing deviation controlled within ±0.8%, ensuring full combustion and balanced fuel distribution across cylinders

Fuel Efficiency Enhancement

Improves fuel utilization by 11-13% relative to generic aftermarket injectors; lowers overall fuel consumption and long-term operating costs for heavy-duty equipment

Durability & Service Life

Withstands extreme pressure fluctuations, diesel corrosion and abrasive impurities; extends replacement cycle and minimizes maintenance-related downtime

Engine Performance Stability

Maintains steady power output and sensitive throttle response; eliminates power decline, rough idling, cylinder misfires and black smoke under heavy loads

Emission Compliance

Optimizes combustion efficiency to reduce NOx, particulate matter and other harmful emissions, meeting strict industrial and marine environmental standards

Applic-ation Field

Specific Equipment & Usage Scenarios

Stationary Power Generation

c-at 3512B generator sets, standby/prime power for industrial plants, mines, data centers and large infrastructure

Marine Engineering

Medium & large vessel main propulsion engines, marine auxiliary power units, offshore drilling and marine support equipment

Heavy Construction Machinery

Large excavators, mining crushers, drilling rigs and high-load construction equipment equipped with c-at 3512B engine

Oil & Gas Industry

Oilfield pumping units, well-drilling power systems, remote oilfield power supply equipment

Maintenance & Repair Scenarios

Engine overhaul, routine injector replacement, troubleshooting for power loss, excessive fuel use and unstable idling

Interchangeability

Direct interchange with OEM-matched parts for c-at 3512B fuel system, no modific-ation or calibration required