The Sierra 18-3703 Prop Nut is interchangeable with the following: Chrysler 11-88228, GLM 21242, Mallory 9-73963, Mercury 11-88228. Each Sierra product meets or exceeds the original equipment part it replaces.

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The Sierra 18-3703 Prop Nut is interchangeable with the following: Chrysler 11-88228, GLM 21242, Mallory 9-73963, Mercury 11-88228. Each Sierra product meets or exceeds the original equipment part it replaces.

  • Sierra Prop Nut
  • Meets or exceeds the original equipment quality
  • Sierra part number: 18-3703
  • Interchangeable with the following: Chrysler 11-88228, GLM 21242, Mallory 9-73963, Mercury 11-88228
  • Sierra Prop Nut
  • Meets or exceeds the original equipment quality
  • Sierra part number: 18-3703
  • Interchangeable with the following: Chrysler 11-88228, GLM 21242, Mallory 9-73963, Mercury 11-88228

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