Oil Seal – Fits Mercury Mariner 8HP 9.9HP 15HP 4-Stroke (Replaces 26-413651, 18-0581) 8.1HP Clean both your hands and

Clean both your hands and the application surface thoroughly before starting

Reassemble upper unit

this product does not include the mounting bolt

a new woodruff key is included in the kit to ensure a secure and proper fit on the driveshaft

A clogged filter can restrict oil flow

Oil Seal – Fits Mercury Mariner 8HP 9.9HP 15HP 4-Stroke (Replaces 26-413651, 18-0581) 8.1HP Clean both your hands andProduct Details This Oil Seal Fits Mercury Mariner 8HP 9. 9HP 15HP 4 Stroke is designed for Mercury Mariner Quicksilver Marine 8hp, 9. 9hp, and 15hp (323 cc) 4 Stroke outboard motors. Engineered as a direct fit replacement for the lower gearcase unit, it ensures reliable sealing and protection for your outboard's critical components. This seal replaces Mercury Marine OEM part numbers 26 413651 and 18 0581, providing a cost effective aftermarket