Basic Product Specific-ations
| Specific-ation Item |
Detailed Parameter |
| Part Number |
107-7732 (c-at OEM Equivalent Direct Replacement) |
| Compatible Engine Series |
c-aterpillar 3116 Diesel Engine (Exclusive Precision Fit) |
| Injector Type |
Mechanical Unit Injector (MUI), Pencil Type Heavy-Duty Fuel Injector |
| Premium Material |
High-strength quenched & tempered alloy steel body, precision-ground internal plunger & barrel assembly, hardened wear-resistant needle valve, high-temperature corrosion-resistant internal seals |
| Working Pressure Range |
42-118MPa (Strict OEM Calibration, Stable Pressure Output) |
| Net Weight |
0.53kg / 1.17lbs |
| Product Condition |
Brand New, OEM Standard, Non-Genuine c-at Replacement Part |
| Quality Certific-ation |
ISO 9001 Certified, 100% End-of-Line Performance Tested |
| Applic-ation Fuel |
Low-sulfur diesel, standard heavy-duty on/off-highway diesel fuel |
Compatible Equipment & Cross Reference Part Numbers
This 107-7732 fuel injector is fully compatible with all c-at 3116 engine-powered heavy equipment, covering mainstream construction machinery, industrial power units, marine auxiliary engines and heavy-duty off-highway trucks. It matches multiple cross-reference part numbers for quick inventory matching, batch replacement, and reduced equipment maintenance downtime.
| Applic-ation Scenario |
Compatible Equipment Models |
Cross Reference Part Numbers |
| Construction Machinery |
c-at 3116 Engine Excavators, Wheel Loaders, Bulldozers, Motor Graders, Compactors |
1077732, 107-1230, 105-1694, 7E-9585 |
| Industrial Power |
3116 Engine-driven Generators, Water Pumps, Air Compressors, Industrial Power Units |
0R-3742, 4P-2995, 127-8216 |
| Marine & Heavy Vehicles |
Marine Auxiliary Engines, Off-highway Trucks, Mining Support Vehicles with 3116 Engine |
8N-7005, 4W-7012, 160-1694 |
Core Product Advantages & Key Features
Our c-at 3116 107-7732 injector is built to outperform generic aftermarket parts, adopting precision manufacturing processes and strict multi-layer quality control to replic-ate and exceed OEM performance standards. The following core features make it the most cost-effective and reliable replacement option for c-at 3116 engine fuel system maintenance and repair:
| Feature c-ategory |
Detailed Advantage Description |
| Precision Fuel Injection & Combustion |
Adopts ultra-precision CNC machining technology, with internal matching clearance controlled within 1-2μm to guarantee consistent fuel injection volume and accurate timing synchronization. Forms optimized conical spray pattern for complete and sufficient fuel combustion, reducing fuel consumption by up to 7-10% and effectively eliminating black smoke, white smoke and abnormal exhaust emissions, fully restoring engine rated power and torque output. |
| Extreme Durability & Wear Resistance |
Forged from high-strength heat-treated alloy steel with double surface hardening and anti-corrosion coating, resistant to long-term diesel corrosion, high-pressure fuel impact and continuous mechanical wear. Designed to withstand over 1.3 million injection cycles under heavy load, significantly extending service life, cutting down frequent replacement costs and minimizing unexpected equipment downtime. |
| Direct OEM Fit & Hassle-Free Installation |
Manufactured 1:1 according to original c-at 3116 engine dimensions, interface standards and installation torque parameters, true plug-and-play installation without any modific-ation, regrinding or professional calibration. Perfectly matches the original engine fuel rail and mounting points, avoiding installation errors, compatibility issues and subsequent engine performance abnormalities. |
| Rigorous Pre-Shipment Testing |
Each 107-7732 injector undergoes 6 strict full-spectrum quality tests before delivery: spray pattern uniformity test, static leakage test, dynamic pressure stability test, fuel delivery accuracy test, high-temperature durability simulation test and anti-vibration test. 100% qualified before shipment, ensuring stable and reliable performance right out of the box. |
| Harsh Environment Adaptability |
Engineered for long-term stable operation in extreme working conditions including high-temperature construction sites, dusty mines, humid marine environments and remote industrial areas. Maintains consistent injection performance under variable load fluctuations, prevents engine misfiring, rough idle and sudden failures during heavy-duty operation. |
Common c-at 3116 Engine Faults Solved by 107-7732 Injector
Replacing worn or faulty injectors with our premium 107-7732 fuel injector can quickly resolve typical chronic fuel system failures of c-at 3116 engines, restore peak engine performance and lower long-term operating costs effectively:
Engine power loss, slow acceleration, insufficient torque and weak operation under heavy load
Excessive fuel consumption, sharp increase in daily fuel and operating costs
Abnormal exhaust emissions (black smoke, white smoke, blue smoke) failing environmental standards
Engine rough idle, frequent stalling, unstable idle speed and abnormal mechanical noise
Fuel leakage at injector mounting interface, fuel dilution of engine oil and premature engine internal wear
Professional Installation & Maintenance Tips
For balanced cylinder performance and maximum engine efficiency, it is highly recommended to replace all cylinder injectors in sets for c-at 3116 engines; avoid mixing old and new injectors to prevent unbalanced cylinder operation and secondary damage.
Thoroughly clean the entire engine fuel system, flush fuel lines, and replace the fuel filter and fuel water separator before installation to block impurities from damaging the new injector and prolong its service life.
Use a calibrated professional torque wrench for installation, strictly follow c-at factory recommended torque standards to avoid loose interface, fuel leakage or damaged injector threads.
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