The Mercury Gear Lube Pump Adapter 883704K03 converts gear lube pump tubes with 3/8-16 threaded end to fit metric 8x1.25 threaded gear lube fill holes. This enables the pump to be used for filling the gearcases of Mercury/Mariner 4/5hp (1987 and newer), 4/5/6hp FourStroke, 225 EFI FourStroke, 2005 and newer 8/9.9hp FourStroke, 2006 and newer 25/30hp EFI FourStroke, 15/20hp FourStroke (351cc), all Mercury/Mariner outboards of Japanese origin, and all Nissan/Yamaha/Tohatsu/Honda outboards requiring 8x1.25 threading.
Adapts 3/8‑16 threaded end of gear lube pump tube to metric 8x1.25
Fits Mercury/Mariner 4/5hp (1987 and newer), 4/5/6hp FourStroke, 225 EFI FourStroke, 2005 and newer 8/9.9hp FourStroke, 2006 and newer 25/30hp EFI FourStroke, and 15/20hp FourStroke (351cc)
Fits all Mercury/Mariner outboards of Japanese origin and all Nissan/Yamaha/Tohatsu/Honda outboards with an 8x1.25 metric threaded gear lube fill hole
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