The Sierra 18-7170-9 O-Ring is interchangeable with Chrysler/Force/US Marine 25-33504, GLM 82200, Evinrude/Johnson 307239, Mallory 9-76502, Mercruiser 25-33504, Mercury 25-33504, OMC 307239, 3852071, and Volvo Penta 3852071. It features an ID of 1.365″ (34.7mm) and a width of 0.135″ (3.4mm). Package includes five O-rings. Each Sierra product meets or exceeds the original equipment part it replaces.
I.D.: 1.365″ (34.7mm)
Width: 0.135″ (3.4mm)
Interchangeable with Chrysler/Force/US Marine 25-33504, GLM 82200, Evinrude/Johnson 307239, Mallory 9-76502, Mercruiser 25-33504, Mercury 25-33504, OMC 307239, 3852071, and Volvo Penta 3852071
Each package includes five O-rings
