Exhaust Flapper Protector Valve – Fits MerCruiser, Chrysler, Crusader, Pleasurecraft (Replaces Sierra 18-4458, Mallory 9-44002, GLM 89260, Volvo Penta 834438-4) 500HP Disconnect the battery leads and

Disconnect the battery leads and shift the engine into neutral

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This Transom Seal Kit – Fits MerCruiser R/MR/Alpha One Gen I Stern Drives (Replaces 30-803098T1) is designed for MerCruiser R

Exhaust Flapper Protector Valve – Fits MerCruiser, Chrysler, Crusader, Pleasurecraft (Replaces Sierra 18-4458, Mallory 9-44002, GLM 89260, Volvo Penta 834438-4) 500HP Disconnect the battery leads andProduct Details This Exhaust Flapper Protector Valve Fits Marine Stern Drives & Inboards 5" & 6" is designed for a wide range of marine stern drives and inboard engines with 5 inch and 6 inch exhaust outlets, including models from MerCruiser, Chrysler, Crusader, and Pleasurecraft (PCM). It serves as a direct replacement for several common part numbers, including Sierra 18 4458, Mallory 9 44002, GLM 89260, and Volvo Penta 834438 4. External mount on