5" & 6" Exhaust Flapper Protector Valves for MerCruiser Stern Drives and Inboard Engines Manifold Replacement Sierra Marine 18-4458 Quantity & Size:5 Inch 2 PCS 1X water pump impeller 47-85089-1

1X water pump impeller 47-85089-1

99370A 2 and Mercury Quicksilver 23-92852

0GXiCE-270-R

Yamaha Outboard 2-Stroke 175HP 200HP 225HP

5" & 6" Exhaust Flapper Protector Valves for MerCruiser Stern Drives and Inboard Engines Manifold Replacement Sierra Marine 18-4458 Quantity & Size:5 Inch 2 PCS 1X water pump impeller 47-85089-1Soxa Marine Stern Drive Exhaust Flapper Protector Valves Set SoxaMarine 5 Inch Exhaust Manifold Flapper Valves with Clamps Set. 5" & 6" or 127mm & 152. 4mm 5" Requires two 45 cuts, use on Chris Craft Inboard, Chrysler Inboards, Crusader Inboards, Pleasurecraft (PCM) Waukesha and Mercury Mariner Inboard Outboard Match to Aftermarket Sierra Marine 18 4458, 18 4458D, Mallory Marine 9 44002 and GLM Marine 89260 Compounded rubber flapper valves prevent