Simple and effective! Refill transmission oil properly with this pump. Fits all original Quicksilver 1-liter transmission oil bottles and all outboard engines (e.g., Mercury, Mariner, Yamaha, Johnson, Evinrude, etc.) or inboard engines (e.g., MerCruiser) with a 3/8"-16 thread. With the included adapter for M8 x 1.25 threads, the transmission oil pump also fits Yamaha and other Japanese manufacturers. With a hose and threaded connection for most Mercury and all MerCruiser transmissions.
