Description

The Sierra 18-4110 Piston Kit is interchangeable with the following: GLM 24020, Evinrude/Johnson 390982, 388672, 387962, Mallory 9-53421. Each Sierra product meets or exceeds the original equipment part it replaces.
Sierra Piston Kit
Bore Size: 3.520
Interchangeable with the following: GLM 24020, Evinrude/Johnson 390982, 388672, 387962, Mallory 9-53421
Fit specific, check part numbers to ensure proper fit