Caterpillar original Mechanical Fuel Injector Assembly 9Y-4982 Replacement for 3114 3116 CS-434 CB434 CP563 Industrial Compactor Aftermarket Parts original new injector

The Caterpillar 9Y-4982 fuel injector is engineered as an original-style replacement for the CAT 3116 diesel engine, delivering precise fuel metering and a controlled spray pattern essential for stable combustion. Built with heavy-duty internal components, the injector assembly is designed to withstand the high pressures and continuous duty cycles of construction, mining, and industrial applications. Each unit is manufactured to meet OE specifications, with bench-tested sealing performance and technician-friendly direct-fit installation that minimizes downtime during engine service or overhaul.

With broad cross-reference coverage including 0R-8682, 0R-8467, 0R-0471, 127-8220, 101-4561, 0R-8477, 0R-3580, and 7E-8727, this 3116 series injector supports global parts distribution and simplifies inventory management for fleet operators, dealers, and aftermarket suppliers. The GP-Fuel injector is commonly specified for platforms such as the D5M track-type tractor, IT28G integrated toolcarrier, 613C wheel scraper, and CS-434 and CS-531 compactors, and is also compatible with related excavator, loader, generator set, and industrial engine applications. Export-ready packaging and multiple supply conditions make it suitable for B2B wholesale and international shipping requirements.

Routine maintenance of the fuel injection system—including regular fuel filter replacement, water separator drainage, and periodic injector leak inspection—helps extend injector life and maintain engine performance. Common fault indicators such as hard starting, rough idle, black or white smoke, power loss, high fuel consumption, and cylinder imbalance can often be traced to worn or malfunctioning injectors. Proper diagnosis through fuel pressure checks, return-line inspection, cylinder balance testing, and confirmation of correct injector specification ensures reliable restoration of engine output on the CAT 3116 platform.