Caterpillar Injector C9.3 Apply To C9.3 Diesel Engine Common Rail Injector 460-8213 20R-5077 4608213 20R5077 Original New Injector

Parameter Item

Specific-ation Details

Part Number

20R-5077 (20R5077); Cross-References: 460-8213, 4608213, CA20R5077

Engine Compatibility

c-aterpillar C9.3 Series Diesel Engines (9.3L Displacement, 270–390HP); Compatible with C9 Series Engines

Injection System

Common Rail Electronic Control; 7-hole VCO Precision Nozzle; 2000–2400bar Rated Pressure

Fitment Style

Direct OEM Replacement; Plug-and-Play (No Modific-ations Required)

Quality Standard

c-aterpillar OEM Standard 1N-3668; ISO 9001, IATF 16949 Certified; 100% Factory Bench-Tested

Condition & Warranty

New Aftermarket; 12-Month Quality Warranty; MOQ: 1 Piece; Origin: China; Supply Capacity: 5000 Pieces/Month

Physical Data

Net Weight: 2.8kg; Gross Weight: 3.0kg; Package Size: 35×15×10cm; Neutral Export Packaging (Customizable)

Key Parameters

Fuel Type: Diesel (Low-Sulfur Compatible); Operating Voltage: 24V; Coil Resistance: 0.75–1.15Ω @ 20℃; Flow Rate: 570±5% cc/min @ 100 bar

Applic-ation Field

Typical Applicable Equipment

Construction Excavators

c-aterpillar 336F Series Excavators (C9.3-Powered)

Wheel Loaders

c-aterpillar 966L, 966M, 972L, 972M Series Wheel Loaders (C9.3-Powered)

Specialized Machinery

c-aterpillar PL72 Pipelayers, PM310, PM312, PM313 Cold Planers (C9.3-Powered)

Track-Type Tractors

c-aterpillar D6T, D7E Series Track-Type Tractors (C9.3-Powered)

Key Performance Metric

Core Benefit

Injection Precision & Flow Stability

7-hole VCO nozzle and Common Rail Electronic Control ensure stable fuel flow (570±5% cc/min @ 100 bar) and ultra-precise metering, optimizing atomization and combustion efficiency, while reducing emissions to meet global environmental standards.

Durability & Pressure Resistance

High-strength alloy steel body and anti-corrosion coating enhance wear and corrosion resistance; 2000–2400bar rated pressure compatibility ensures stable performance under high-pressure conditions, matching the C9.3 engine's overhaul cycle.

Reliability & Compatibility

100% factory bench testing (high-pressure, spray pattern, sealing) ensures consistent performance; compatible with both C9 and C9.3 engines, resolving misfires, power loss, and excessive fuel consumption caused by injector failure.

Installability & Cost-Effectiveness

Direct OEM replacement enables plug-and-play installation without modific-ations, saving time and labor; as a high-quality aftermarket part, it offers reliable performance at a competitive price, reducing long-term maintenance costs.

Item

Details

Installation

Disconnect the battery negative pole and release fuel line pressure before installation; thoroughly clean the fuel system and injector interface to avoid impurity entry; use dedic-ated tools to prevent component damage; replace seals and copper washers; torque to c-aterpillar OEM specific-ations (40–45N·m); professional installation is recommended; replace injectors as a full set for optimal engine performance.

Maintenance Interval

Inspect injector performance every 6,000–10,000 operating hours; replace fuel filters every 200 hours to maintain fuel cleanliness; periodically check electrical connections and coil resistance (0.75–1.15Ω @ 20℃) to ensure stable operation.

Storage

Store in a dry, clean, and well-ventilated area (-15℃ to 45℃); package with anti-rust materials and sealed plastic bags to prevent rust, dust, and physical damage to the 7-hole VCO nozzle and alloy steel body.

Troubleshooting

Check for nozzle clogging, fuel pressure leakage, or poor electrical contact if the engine misfires, loses power, or has excessive fuel consumption; use professional diagnostic tools to read fault codes; refer to c-aterpillar official service manual for professional maintenance to avoid damaging precision components.