Sierra 18-71337 Molded Hose 1-3/4" Id 12-3/4" Length
Price: $29.91
Save: $15.58
(34% Off $45.49)
Part # 18-71337
2nd Day Air for $2.99 More Eligible
This item is found in the following Product Families
Replaces OEM part #
  • MERCURY MARINE 32-87108
  • MERCURY MARINE 32-33189
  • MERCURY MARINE 32-861590A05
  • MERCURY MARINE 32-861590A2
  • MERCURY MARINE 32-806825
  • OMC 312781


  • Length: 12-3/4"
  • I.D.: 1-3/4"

For: 4.3L, 5.0L, 5.7L
Circulating Pump Hose

Hose Application:

  • Engine 175/205(262 CID), Serial # B527955 & Later
  • Engine 198/200/230/260, Serial # 6218462 & Later
  • Engine 185/205, Serial # A331455 & Later
  • Engine 260(Log Style), Serial # 4908850-6218461
  • Engine 230/260/(5.7L), Serial # 5907085 & Later
  • Engine 300 Tempest, Serial# 6668677 & Later
  • Engine 320 EFI, Serial # A543604 & Later
  • Engine 350 Mag (Non EFI Models), Serial # A635178 & Later
  • Engine 898(198 HP), Serial # 6218462 & Later
  • Engine 5.7L(Ski), Serial # A338553 & Later
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Exact replacement
by Christopher from Houston, Texas on August 17, 2016
Replaced the hoses on my 20 year old Mercruiser. I boats had the best availability and the best price.
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Molded hose
by Gene from Kalamazoo, Michigan on October 13, 2015
Well made, fit perfectly
(1 of 1 people found this review helpful)
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by Thomas from Valparaiso, Indiana on November 16, 2011
Product fit perfectly.
(3 of 3 people found this review helpful)
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Does the hose have a spring internal to prevent suction collapse?
Manufacturer confirms it does have a wire in there to prevent that.

Does this fit the 4.3gl p engine from raw water pump to circulating pump?
Assuming you have the 4.3GL-P Volvo Penta this will not work. Here are schematics to your cooling to identify the hose you need:

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