87350919 | BACK-UP RING | New Holland Construction 99969-6539 including certain IS and ISX

including certain IS and ISX series models where the Cadco cutting system was factory-installed

This component — also referred to as a mower deck belt

and light cutting tasks

Replacing worn or damaged caps restores optimal engine control and helps prevent further mechanical issues

This filter delivers reliable engine protection by removing contaminants and extending oil life in demanding applications

87350919 | BACK-UP RING | New Holland Construction 99969-6539 including certain IS and ISXGenuine New Holland Construction backup ring (part #87350919). This precision engineered component provides critical sealing and support in hydraulic and mechanical assemblies. Designed to prevent extrusion and protect primary seals from damage under high pressure and extreme operating conditions. OEM quality construction ensures reliable performance and extended equipment life. Essential replacement part for New Holland construction machinery