Caterpillar Injector 3512B 3508B/3508C/3516B/3516C High Quality Injector Excavator Engine Injectors 392-0224 20R-1283 Original New Injector

Parameter Item

Specific Value

Part Number

392-0224

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)

Material Construction

High-Strength Forged Alloy Steel, Anti-Corrosion Seals, Wear-Resistant Internal Components

Operating Temperature Range

-40°C to 180°C

Installation Type

Direct OEM Replacement, Plug-and-Play

Quality Certific-ation

c-aterpillar Original Factory Standard

c-ategory

Detailed Description

Core Performance Benefits

Delivers ultra-fine fuel atomization with tight injection timing tolerance (±0.5%), ensuring balanced fuel delivery across 12 cylinders and complete combustion. Reduces fuel consumption, suppresses black/white exhaust smoke, stabilizes idle speed, and lowers NOx and particulate emissions to meet industrial and marine environmental requirements. Resists high-pressure fatigue and diesel corrosion for extended durability.

Applic-ation & Compatibility

Exclusively compatible with c-at 3512B engine-driven equipment: stationary generator sets, marine main/auxiliary engines, offshore drilling rigs, oilfield pumping systems, and heavy industrial machinery. Ideal for routine maintenance, engine overhauls, and troubleshooting power loss, high fuel consumption, and hard starting issues; direct interchange with original parts, no post-installation calibration needed.

Item

Specific-ation & Guidance

Recommended Service Interval

Replace every 8000–12000 operating hours under normal conditions; follow c-aterpillar's official heavy-duty maintenance schedule for harsh environments

Common Fault Symptoms

Engine power degradation, excessive fuel consumption, unstable idle, exhaust smoke, hard starting, abnormal combustion noise

Installation Best Practices

Thoroughly clean fuel passages and mating surfaces; use genuine c-at gaskets and seals; torque to factory specific-ations; fully bleed air from fuel lines

Quality Assurance

100% genuine c-aterpillar OEM component, strict factory inspection, consistent with original assembly performance