Part # 5039-001
Manufacturer Code 715-1201B
Dimensions 0.48" X 0.84"
Alternate Part #'s 352701480, 715-1020B, 7151020, 7151201
Quarter Slot 3/8" Drain Plug - 715-1201B
Less than 1 hr
Screwdriver, Pliers, Adjustable Wrench
Thought it was the drain plug. Tightened the drain plug, but in the process, the head of the drain plug was rounded off. Ordered 2 new drain plugs from InYoPools, and replaced both drain plugs in the pump. No leak.
The leak was actually at the o-ring between the pump and motor.