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A set of mechanical parts and gaskets arranged on a plain white background, including metal housings, washers, screws, a black impeller-like piece, and a white cylindrical section.
A set of pump components laid out on a white background, including a silver pump housing, black impeller, gaskets, washers, bolts, and small cylindrical parts.
A mechanical parts kit laid out on a white background, including a black housing component, a silver cylindrical metal piece, a black impeller, gaskets, washers, screws, and small hardware.
A set of mechanical parts and gaskets arranged on a plain white background, including metal housings, washers, screws, a black impeller-like piece, and a white cylindrical section.
A set of pump components laid out on a white background, including a silver pump housing, black impeller, gaskets, washers, bolts, and small cylindrical parts.
A mechanical parts kit laid out on a white background, including a black housing component, a silver cylindrical metal piece, a black impeller, gaskets, washers, screws, and small hardware.
SKU 18-3688

Mercury Water Pump Repair Kit | 18-3688

by SIERRA
Availability:
in stock, ready to be shipped
$169.89 - $169.89
$169.89
$169.89 - $169.89
$169.89

The Sierra 18-3688 water pump repair kit for Mercury 75-115HP engines with serial numbers 1B366823-2B094995 includes impeller, impeller key, water pump housing, o-rings, seals, and impeller plate - everything you need to stay on the water longer.

Kit Includes

  • Water Pump Housing
  • Cover Assembly
  • Short Seal, 1 3/4"
  • Seal
  • Bolts M6 x 30
  • Drain Screw Gasket | 18-2430-9
  • Gasket, Impeller | 18-2566-9
  • Impeller | 18-3056
  • Impeller Key | 18-3293
  • O-Ring | 18-7188-9
  • Impeller Plate | 18-3122
  • Impeller Gasket | 18-2564-2
OEM INTERCHANGE

Mercury Marine: 8M0113799
A black padlock icon centered inside a black circle on a transparent checkerboard background.

Warranty

Sierra's limited lifetime warranty. Read more about warranty policies here.

California Proposition 65 Warning WARNING Cancer or Reproductive Harm — www.P65Warnings.ca.gov
  • Application: Mercury 75-115HP serial 1B366823-2B094995
  • Gasket, Impeller | 18-2566-9
  • Includes components necessary to rebuild water pump assembly
  • Kit includes:
  • Water pump housing
  • Cover assembly
  • Short Seal, 1 3/4"
  • Seal
  • Bolts M6 x 30
  • Drain Screw Gasket | 18-2430-9

Logistics

  • Dimensions parcel depth, ["]: 4.88
  • Dimensions parcel height, ["]: 5.5
  • Dimensions parcel width, ["]: 6.25
  • Parcel weight, [lbs]: 2.299815

Engine Fitment for 18-3688

Brand Engine Model Year Serial Number Range Horsepower
Mercury Marine 80 EFI 2006 1B366823-2B059605 80
Mercury Marine 90 EFI 2006 1B366823-2B059605 90
Mercury Marine 100 EFI 2007 1B366823-2B059605 100
Mercury Marine 100 EFI 2008 1B366823-2B059605 100
Mercury Marine 75 EFI 1B366823-2B094995 75
Mercury Marine 90 EFI 1B366823-2B094995 90
Mercury Marine 100 EFI 1B366823-2B094995 —
Mercury Marine 80 EFI 1B366823-2B094995 —
Mercury Marine 115 EFI 1B366823-2B094995 —

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Interchange for Mercury Water Pump Repair Kit | 18-3688

Mercury Marine: 8M0113799

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60 YEARS OF SIERRA

SIERRA has a 60-year history as a leading global manufacturer of aftermarket engine and drive parts for the marine industry. The SIERRA brand encompasses the full SIERRA Marine product lines, as well as expansive brands formerly known as Shields and Moeller.

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