Description Caterpillar Injector – 10R1273 C15 ACERTDescription“Electronic unit injector for Caterpillar C15 ACERT and select C16 engines. This injector is designed to deliver precise fuel metering, improved combustion efficiency, and reliable engine performance under heavy-duty operating conditions.Each injector is professionally rebuilt, ultrasonically cleaned, calibrated, and flow-tested to ensure proper fuel delivery and cylinder balance. This helps eliminate common injector-related issues such as rough idle, power loss, excessive smoke, and poor fuel economy.This injector corresponds to Caterpillar part number 455878 and is commonly found on ACERT-equipped engines. The remanufactured assembly may also carry reference number 10R8501.Replacing worn or failing injectors is critical to maintaining engine efficiency, reducing emissions, and preventing further engine damage.
