The Sierra 18-7163-9 O-Ring is interchangeable with GLM 81430, Mercruiser 25-807149, 25-853220, 25-33465, and Mercury 25-33465. It features an ID of 2.415″ (61.3mm) 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.: 2.415″ (61.3mm)
Width: 0.100″ (2.5mm)
Interchangeable with GLM 81430, Mercruiser 25-807149, 25-853220, 25-33465, and Mercury 25-33465
Each package includes five O-rings
