Exhaust Flapper Valve & Clamp Kit – Fits Inboard/Stern Drive (Replaces Sierra 18-4458, GLM 89260, Mallory 9-44002) 15HP and is less likely to

and is less likely to mark your hull

It provides all essential components to restore one carburetor to optimal function

We recommend inspecting the belt during every routine service for signs of wear

You might also hear ticking or high-pitched sounds from the engine bay

How durable are these stickers for marine use

Exhaust Flapper Valve & Clamp Kit – Fits Inboard/Stern Drive (Replaces Sierra 18-4458, GLM 89260, Mallory 9-44002) 15HP and is less likely toProduct Details This Exhaust Flapper Valve & Clamp Kit Fits 5" & 6" OD Exhaust Pipes is engineered to prevent water from entering the engine through exhaust thru hulls during low speed operation, stopping, or reversing. It is designed for a broad range of inboard and stern drive applications using either 5 inch or 6 inch outside diameter exhaust pipes. It serves as a direct replacement for Sierra 18 4458, GLM 89260, and Mallory 9 44002. Installs