Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser outdrive water pump guide tube

GLM aftermarket water pump guide tube for
years 1972 to 1990

  • GLM #12820 Mercruiser outdrive guide tube *1 tube only
  • Also included in water pump kits
  • Fits between water pump housing and upper gearcase

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12820 guide tube

12820 guide tube

$4.29 *1 unit