Exhaust Protector Valves

Blowout
Save 28%-29% Off.
Exhaust Protector Valve - 18-4456 - Sierra
Your Price: $22.99
Save: $5.50
(19% Off $28.49)
Part # 18-4456 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 20 hrs 40 mins.
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Includes Stainless Steel Clamp 3"

Replaces OEM part #
  • MERCURY MARINE 34765A 2
  • MERCURY MARINE 34765A1
Exhaust Flapper, 4" - 18-4457 - Sierra
Your Price: $24.99
Save: $5.40
(17% Off $30.39)
Part # 18-4457 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 20 hrs 40 mins.
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Includes Stainless Steel Clamp 4"

Replaces OEM part #
  • MERCURY MARINE 12644A1
  • MERCURY MARINE 12644A1
Exhaust Protector Valve - 18-4458 - Sierra
Your Price: $44.99
Save: $9.82
(17% Off $54.81)
Part # 18-4458 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 20 hrs 40 mins.
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Includes Stainless Steel Clamp
Fits both 5" & 6" Exhaust
Mallory Exhaust Flapper 5-6" 9-44002
Mallory Exhaust Flapper 5-6" 9-44002
Spring Sale Price: $38.24
Save: $14.93
(28% Off $53.17)
Part # 9-44002 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 20 hrs 40 mins.
Hurry! Only 1 left in stock
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Replaces GLM #:89260
Replaces Original Equipment Manufacturer(OEM):Universal
Replaces Original Equipment Manufacturer # (OEM #):n/a
Fits Application:Universal
Mallory Exhaust Flapper 3" 9-44000
Spring Sale Price: $19.54
Save: $8.09
(29% Off $27.63)
Part # 9-44000 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 20 hrs 40 mins.
Hurry! Only 1 left in stock
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Replaces GLM #:89240
Replaces Original Equipment Manufacturer(OEM):Mercruiser
Replaces Original Equipment Manufacturer # (OEM #):34765A2
Fits Application:Universal
Sierra
Premium Protector Valves for wet exhausts are made of 100% durable EPDM that is extremely resistant to UV light, ozone, heat, and weather aging. For salt or fresh water. It will give the boat's exhaust system dependable protection in any harsh marine environment. Complete with stainless steel clamps.
Q:
Is the price for a pack of 2 exhaust flappers, or is that price for just one exhause flapper?
A:
This is the price for one flapper. We only have one of these left in stock, and then this part will be discontinued.
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