Mercury Prop Exhaust Seal Ring – 878421

Mercury Prop Exhaust Seal Ring – 878421

Mercury Prop Exhaust Seal Ring – 878421

Mercury Prop Exhaust Seal Ring – 878421

Mercury Prop Exhaust Seal Ring – 878421

$18.75

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To verify this part is correct for your application, please call us and have your engine serial number ready, or send us your engine serial number over the Live Chat.

DESCRIPTION

Mercury Prop Exhaust Seal Ring – 878421

Used to prevent “blowout”
Fills gap between propeller and gearcase
Reduces ventilation
Used with Trophy Plus propellers on V6 & V8 gearcases

Note: Recommended for 200‑ 275 Verado when using Trophy Plus.

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