Sierra
Sierra 18-4456 Exhaust Protector Valve
Price: $18.38
Save: $10.61
(36% Off $28.99)
Part # 18-4456
2nd Day Air for $2 More Eligible
This item is found in the following Product Families

Includes Stainless Steel Clamp 3"

Key Features:

  • Compounded rubber flapper valves are designed to prevent water from entering the exhaust system
  • Made with weather resistant EPDM with U/V stabilizer

Details:

  • Includes: Stainless Steel Clamp
  • Size: 3" or 76.2mm

Replaces OEM part #
  • MERCURY MARINE 34765A2
  • MERCURY MARINE 34765A1
Q:
Is this a 3 inch?
A:
According to Sierra, this fits over a 3 inch valve. Meaning the I.D. of the part itself is a little larger than 3 inches.


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