Caterpillar 7C-7431 is an OEM turbocharger mounting gasket for CAT 3100-series diesel engines, including the 3114, 3116, and 3126 models, designed to seal the turbocharger mounting flange and prevent exhaust leaks. It has a thickness of 1.03 mm and uses a composite construction that combines fiber with stainless steel and steel/graphite sealing layers to withstand high heat and pressure at the turbo connection. Proper installation of this gasket helps maintain optimal turbo boost and engine performance on eligible Caterpillar engines.
