Caterpillar Injector 3116 Construction Machinery Parts For 3116 Engine Injector 127-8213 0R-8473 1278213 0R8473 Original New Injector

Basic Information

Specific-ations & Key Features

Product Name

c-aterpillar 3116 Diesel Engine Injector Assembly (Original Standard)

Model Number

0R-8473 (OR8473) (Exclusive Fit for c-aterpillar 3116 Series)

Cross-Compatible Models

0R-8473, 0R-8471, 0R-8467, 0R-8465, 4P-2995, 0R-3389 (100% Compatible with c-aterpillar 3116 Engines)

Applicable Engines

Primary: c-aterpillar 3116 series diesel engines; Secondary: 3114, 3126 series (Plug-and-Play Compatibility, No Debugging Required)

Product Condition

Brand New Original / Original-Standard Remanufactured(100% Pre-Delivery Testing, Consistent with OEM Quality & Performance)

Control Type

Electromagnetic (ECU Electronic Control, Premium Version) Anti-Interference, Stable Signal, Ultra-Fast Response, Intelligent Injection Timing Adjustment

Fuel Compatibility

Diesel (National/Non-Standard, Low/High Sulfur, Biodiesel, Marine Diesel, Low-Temperature Diesel, Corrosive Diesel) Anti-Coking, Anti-Impurity, Anti-Corrosion, Wide Fuel Adaptability

Net Weight

0.72kg Lightweight, Easy to Install/Disassemble, Reduces Maintenance Labor Cost

Packaging Dimensions

27cm × 16cm × 16cm High-Strength Shockproof/Waterproof/Anti-Corrosion Packaging, Safe Shipment & Storage

Core Technical Parameters

Values & Competitive Advantages

Injection Opening Pressure

32 ± 0.5 MPa High-Precision Pressure Control, Optimized for c-aterpillar 3116's Working Characteristics, Superior Atomization & Combustion Effect

Working Pressure Range

80–200 MPa Wider Operating Pressure Range, Stable Performance Under Various Loads, Strong Adaptability to Complex Working Conditions

Dynamic Response Time

≤ 0.38 ms Ultra-Fast Response Speed, Ensures Smooth Power Output of 3116 Engine, Reduces Vibration & Operating Noise

Single Injection Duration

≤ 0.30 msPrecise Fuel Metering, Reduces Fuel Waste, Improves Combustion Efficiency, Lowers Operating Costs

Spray Pattern

Advanced c-aterpillar Spiral Atomization (20-Hole) More Uniform Spray, Thorough Combustion, Reduces Emissions & Fuel Consumption

Needle Valve Clearance

0.07–0.8 μm Ultra-Precise Fit, Leak-Proof Sealing, Extends Service Life, Reduces Maintenance Times

Sealing Surface Roughness

Ra ≤ 0.007 μm High-Strength Sealing Performance, Withstands Ultra-High Pressure & Temperature, No Fuel Leakage

Key Component Hardness

HRC 72–76 Super Wear-Resistant, Suitable for Long-Term High-Load Operation, Reduces Replacement Costs

Injection Cycle Life

≥ 3,200,000 cycles Longer Service Life Than Same-Series Injectors, Improves Equipment Attendance Rate

Structural Components

Material & Manufacturing Process

Performance Benefits

Injector Body

High-Strength Forged Alloy Steel; Integral Forging + Precision CNC Machining + Nine-Stage Heat Treatment

Super Anti-Fatigue, High Pressure & Corrosion Resistance; Adapts to Extreme Harsh Environments, Extends Service Life

Needle Valve Pair

High-Purity Alloy Steel; Precision Grinding + Gapless Pairing + Nitriding Treatment + Titanium-Diamond Composite Coating

Ultra Uniform Atomization, Leak-Proof, Ultra Low Wear; Improves 3116 Engine Power & Combustion Efficiency

Control Spring

High-Temp Resistant Alloy Spring; Dual-Spring Linkage Design + Anti-Fatigue/Deformation + High-Precision Calibration

Precise Opening Pressure Control, Fast Needle Valve Closure; Ensures Injection Accuracy, Reduces Fuel Waste

Solenoid Valve

Premium High-Precision Anti-Interference Coil; Sealed Waterproof/Dustproof/Anti-Corrosion + High-Temp Coating

Strong Anti-Jamming Capability, Stable Signal Transmission, Ultra-Fast Response; Perfect Match for 3116 ECU System, Low Failure Rate

Applicable Equipment

Typical Models (c-aterpillar 3116-Powered)

Excavators

c-aterpillar 320B, 322B, 325B, 330B Stable Performance in Heavy-Duty Operation, Low Failure Rate, Significantly Reduces Fuel Costs

Wheel Loaders

c-aterpillar 928G, 938G, 950G High Work Efficiency, Fuel-Saving, Adaptable to Complex Construction Sites, Reduces Operational Costs

Motor Graders

c-aterpillar 120H, 140H, 160HReliable Operation, Minimizes Maintenance Downtime, Improves Construction Progress

Other Equipment

Industrial Generators, Heavy-Duty Trucks, Marine Power Units, Mining Equipment (3116/3126-Powered) Wide Adaptability, Stable Power Supply, Long Service Life, Suitable for Continuous High-Load Operation

Core Product Advantages

Detailed Benefits (Customer-Centric)

c-aterpillar 3116 Exclusive Fit

OEM-matching dimensions and interface-direct replacement without modific-ation or debugging. Reduces maintenance time, boosts equipment uptime, and eliminates compatibility risks for 3116 engine users.

Superior Pressure Resistance & Durability

Nine-stage heat-treated high-strength alloy body and titanium-diamond coated needle valve pair deliver ≥3,200,000 injection cycles. Super anti-fatigue and wear resistance-lowers replacement costs and extends service life.

Advanced Atomization & Fuel Saving

20-hole spiral atomization technology and ≤0.38ms ultra-fast response solenoid valve reduce fuel consumption by 18%-25%. Complete combustion cuts emissions and improves 3116 engine performance.

Strong Environmental Adaptability

Six-layer sealing structure and full-body anti-corrosion treatment ensure stable operation in extreme environments (high/low temperature, heavy dust, marine corrosion). Suitable for global harsh construction and industrial sites.

Cost-Effective & Easy Maintenance

Tool-free quick replacement, ultra-low failure rate, and fuel-saving performance reduce total ownership costs. Lightweight design simplifies maintenance, saving labor and downtime costs for equipment operators.

Strict OEM-Quality Assurance

Manufactured to c-aterpillar's original standards, 8-stage quality testing, and 100% pre-delivery inspection. Matches OEM performance-reliable, long-lasting power support for 3116 engines.

Replacement Scenarios

Symptoms (c-aterpillar 3116 Engines)

Power Loss & Instability

Unsteady idle, weak acceleration, hard starting, black/white smoke, and significant power drop-unable to handle heavy loads, affecting work efficiency and construction progress.

Increased Fuel Consumption

Fuel use up 18%+ under standard conditions; power output does not match fuel consumption-wasting resources and increasing equipment operation costs.

Mechanical Malfunctions

Cylinder misfire, abnormal engine noise, injector leakage, excessive oil return, or needle valve jamming-causing equipment shutdown and delaying construction progress, increasing maintenance costs.

Other Abnormalities

ECU error codes, engine jitter, inability to run at full load, increased emissions, or unstable operation-shortening the service life of 3116 engine components and increasing overall operating costs.