Description
- Mercury/Mariner Gear Housing Sleeve (Blow Out Ring)
- Fits: Mercury 75-80-90-100-115 EFI / 4-Stroke Engines
- Genuine Mercury Part# 8M0187255** [Replaces Part # 23-8M0054695]
**Please note the new superseded part is a functional replacement & may look different from the original part. - Prevents “Blowout” by filling in the gap between the Propeller & the gearcase.
- Reduces Ventilation
