Description

This ring gear (3901774) is specifically engineered for Cummins B Series engines to ensure precise engagement with the starter motor and reliable engine cranking. Built to OEM specifications, it delivers a perfect fit and easy installation. Constructed from durable, wear-resistant materials, it supports long-term engine performance in commercial vehicles, agricultural machinery, and industrial equipment. Application: 3901774, 3901774, AFTERMARKET CUMMINS GAS AND DIESEL ENGINE RING GEAR Key Features: OEM-spec direct replacement Smooth and accurate starter engagement Designed for Cummins B Series engines High-strength, wear-resistant construction Long service life and easy installation Compatibility: Specifically compatible with Cummins B Series engines. Confirm engine specifications before purchase.