Caterpillar C11 / C13 Fuel Injector 249-0708 Product Detail Page Description Product Overview The Caterpillar 249-0708 diesel fuel injector is a heavy-duty fuel injection component designed for selected CAT C11 and CAT C13 diesel engine applications. It is commonly listed in the aftermarket as 2490708, 10R-2977, 10R2977, and CA2490708, and is used as a replacement fuel injector assembly for industrial diesel engines, construction machinery, heavy-duty vehicles, power equipment, and engine repair applications. Multiple public aftermarket listings associate 249-0708 with Caterpillar C11 and C13 engines and list 10R-2977 / 10R2977 as a related replacement or cross-reference number. This product is positioned for professional diesel repair shops, fleet maintenance companies, construction machinery owners, engine rebuilders, parts distributors, and global aftermarket buyers who require a replacement injector with reliable fitment, stable fuel delivery, correct atomization, and industrial-grade durability. The injector’s core function is to meter diesel fuel accurately and deliver it into the combustion chamber in a controlled spray pattern. Proper fuel atomization supports efficient combustion, stable engine output, lower smoke, reduced fuel waste, improved throttle response, and smoother engine operation. Public supplier descriptions for this part commonly emphasize precise fuel delivery, fuel atomization, direct replacement fitment, and OE-specification manufacturing.