Mercury Lower Unit Seal Kit 25 Hp 5705532-6443972 WSM/Sierra 18-2629 OEM# 26-85090A1

$83.95
by Pwc Engine

Shop Now
High Performace Quality OEM Style Gaskets. Gaskets and seals meet OEM standards or higher. PWC Engine brings Higher Quality for an awesome price! This Mercury Lower Unit Seal Kit will fit all 25 Hp 5705532-6443972 WSM/Sierra 18-2629.

Replaces OEM# 26-85090A1
Serial number 5705532-6443972


Please be advised that Mercury/Mariner motors DO NOT go by the year they were produced. So please check all information available such as the following to identify your engine to the correct part.


At Pwc Engine,com we offer top name brands including WSM, Pro-X, Wiseco pistons, OEM RIK Japan rings, Nachi, Koyo, & KBC Engine bearings. PWC Engine use the highest quality gaskets and seals in the industry such as Athena USA, factory used ARS precision quality seals when available and much much more!

If you are looking for performance parts, we offer the best distinguished brands and hand pick the parts that we know work and use daily.

Customer Reviews

No ratings. Be the first to rate

 customer ratings


How are ratings calculated?
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.

Review This Product

Share your thoughts with other customers