Exhaust Flappers & Shutters
- Mercruiser Exhaust Water Shutters, Pack of 2 | Sierra 18-2732-9SIERRA-18-2732-9Qty In Stock: 8Brand: Sierra
Mercruiser Exhaust Water Shutters, Pack of 2
Learn MoreMercruiser Exhaust Water Shutter | Sierra 18-2733SIERRA-18-2733Qty In Stock: 14Brand: SierraMercruiser exhaust water shutter. Sold individually - two required per engine.
Learn MoreMercruiser Exhaust Water Shutter | Sierra 18-2727SIERRA-18-2727Qty In Stock: 2Brand: SierraExhaust Water Shutter Learn MoreExhaust Flapper With Clamp - 5 & 6 in. | Sierra 18-4458SIERRA-18-4458Qty In Stock: 29Brand: SierraExhaust protector valve mounts on the outside of 5 in. & 6 in. exhaust tip to prevent backflow of water into the exhaust. Learn MoreExhaust Flapper With Clamp - 3 in. | Sierra 18-4456SIERRA-18-4456Qty In Stock: 20Brand: SierraExhaust protector valve mounts on the outside of 3 in. exhaust tip to prevent backflow of water into the exhaust. Learn MoreExhaust Flapper With Clamp - 4 in. | Sierra 18-4457SIERRA-18-4457Qty In Stock: 17Brand: SierraExhaust protector valve mounts on the outside of 4 in. exhaust tip to prevent backflow of water into the exhaust. Learn More