Mercury MerCruiser 12644A1 4” Exhaust Protector Flapper Valve Sierra 18-4457D

Mercury MerCruiser 12644A1 4” Exhaust Protector Flapper Valve Sierra 18-4457D

  • Sale
  • $39.95
  • 1 available
  • Mercury MerCruiser 12644A1 4” Exhaust Protector Flapper Valve
  • Includes:
    • Stainless steel hose clamp.
    • Weather-resistant rubber flapper valve
  • Compounded rubber flapper valves for Exhaust Protector help prevent water from entering the exhaust system. 
  • Made with weather-resistant, marine-grade EPDM with UV stabilization.
  • Size: 4"
  • Manufacturer: Sierra
  • Model Number: Exhaust Protector Valve
  • Part Number: 18-4457D
  • Also Known As:
    • Mercury MerCruiser 12644A1, 12644Q01