Caterpillar Injector 3512B 375-4106 3512B Diesel Engine Parts Fuel Injector 359-5469 392-0217 375-4106 392-0219 For Construction Machinery Original New Injector

Parameter Item

Specific Value

Part Number

359-5469

Compatible Engine Model

c-aterpillar 3512B Series Diesel Engine

Injector Type

MEUI (Mechanically Actuated Electronically Controlled Unit Injector)

Rated Injection Pressure

2100–2600 bar (Factory Calibrated High-Precision Atomization)

Material Construction

High-Strength Forged Alloy Steel, Industrial Anti-Corrosion Seals & Wear-Resistant Precision Components

Operating Temperature Range

-40°C to 180°C

Fit Type

Direct OEM Replacement, Plug-and-Play Installation

Quality Certific-ation

c-aterpillar Original Factory Quality & Performance Standards

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Detailed Description

Core Performance Benefits

Achieves ultra-fine fuel atomization (particle size ≤25 microns) with injection timing deviation controlled within ±0.5%, ensuring balanced fuel delivery across 12 cylinders and complete combustion. Boosts fuel efficiency by 18–20% versus generic aftermarket injectors, cuts long-term operating costs, resists high-pressure fatigue and diesel corrosion, eliminates rough idle/power loss, and reduces harmful emissions to meet strict industrial and marine environmental standards.

Applic-ation & Compatibility

Exclusively designed for c-at 3512B engine-powered equipment: stationary generator sets, marine main/auxiliary engines, offshore drilling rigs, heavy construction machinery and oilfield pumping systems. Ideal for engine overhaul, routine injector replacement, and troubleshooting power decline, high fuel consumption or unstable idle; features direct OEM interchangeability with no modific-ations or calibration needed.

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Detailed Performance Benefits

Fuel Injection Precision

Achieves ultra-fine fuel atomization (particle size ≤25 microns); injection timing deviation controlled within ±0.5%, ensuring uniform fuel delivery across all 12 cylinders and thorough combustion to maximize power output.

Fuel Efficiency Improvement

Boosts fuel utilization rate by 18–20% compared to generic aftermarket injectors, reducing overall fuel consumption and lowering long-term operational costs for heavy-duty equipment.

Durability & Reliability

Resists extreme pressure fluctuations, diesel corrosion and abrasive contaminants; extends service intervals and drastically reduces unplanned downtime caused by injector malfunctions.

Emission Compliance

Optimizes combustion efficiency to reduce NOx, particulate matter and other harmful exhaust emissions, fully complying with strict industrial and marine environmental protection regulations.