The Sierra 18-7171-9 O-Ring is interchangeable with GLM 81360, Mercruiser 25-30529, and Mercury 25-30529. It features an ID of 1.920″ (48.8mm) and a width of 0.100″ (2.5mm). Package includes five O-rings. Each Sierra product meets or exceeds the original equipment part it replaces.
I.D.: 1.920″ (48.8mm)
Width: 0.100″ (2.5mm)
Interchangeable with GLM 81360, Mercruiser 25-30529, and Mercury 25-30529
Each package includes five O-rings
