Quicksilver SAE 90 High Performance Gear Lube for Outboards and Sterndrives, 32 oz

Customers find this gear lube to be a high-quality product that works well in outdrives, with one customer noting it kept their engines running flawlessly for years. They appreciate its OEM status and consider it perfect for lower units, with one mentioning it's a direct Mercury replacement. Customers like the blue color and find it easy to use, with one highlighting the convenience of different threaded tips. They also consider it good value for money.