Description
Sierra’s 18-6457 Composite Pulley is designed for late model GM V-6 and V-8 engines, providing a reliable replacement solution for serpentine belt drive systems in marine applications. It features a 3″ outer diameter serpentine pulley designed for use with a 13/16″ width belt, delivering consistent belt alignment and smooth accessory drive performance. Constructed from durable composite materials, it helps reduce weight while maintaining strength and reliability under demanding operating conditions. This pulley is interchangeable with Mercruiser Stern Drive 807757T and meets or exceeds original equipment specifications for dependable fit and function.
Features
- Designed for late model GM V-6 and V-8 engine applications
- 3″ O.D. serpentine pulley for 13/16″ belt width compatibility
- Constructed from durable composite material for strength and reduced weight
- Supports smooth belt alignment and reliable accessory drive performance
- Interchangeable with Mercruiser Stern Drive 807757T for OEM replacement use
- Pulley: 3″ O.D.Serpentine for 13/16″ width belt
- For: Late model GM V-6 & V-8 engines
- Premium quality for longer life
- Meets or exceeds manufacturer specs
- Backed by Sierra’s limited lifetime warranty
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