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Orders received during this time will be processed when we resume normal business hours on Thursday, January 2nd.

Thank YOU for another great year and we are looking forward to keeping you on the water in 2025!
Merry Christmas, Happy New Year and God Bless YOU!

PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

21 Micron Fuel Water Separator Kit Sierra 18-7848-1

$47.79 $54.99


Aluminum filter head with 1/4 in. NPT inlet/outlet ports & short spin-on filter removes 99.8% of emulsified water and contaminants from incoming gasoline.

  • Sierra fuel water separating kit
  • Kit includes 21 micron 18-7844 short fuel water filter, 18-7853-1 aluminum mounting bracket, and (2) 1/4 inch NPT pipe plugs
  • Protects marine engines by filtering water, dust, and dirt in fuel supply
  • Short style filter measures 3.875 inches in length
  • 21 micron filtration
  • Aluminum mounting bracket includes (2) 1/4 in. NPT inlet and (2) 1/4 in. NPT outlet fuel ports
  • For use with most 2 cycle and 4 cycle marine engines
  • Will not separate 2 cycle oil from 2 cycle fuel
  • Approved for use with ethanol blended fuel
  • Designed to withstand the harsh conditions of the marine environment
  • Filter features an epoxy coated inside to resist corrosion
  • 90 GPH flow rate
  • Replaces Mercury 35-802893Q4, 35-807172A4, 35-807172Q4, 35-60494A4, 35-805369A4, 35-57250A1, 35-55501A1, 35-52456A1, 35-60494A1, 52444
  • Replaces Mallory 9-37850