Th 400 Trans Fittings -8 X 1/4 Black 1/4" Straight Npsm

transmission cooleradapter fittings.

1/4" npsm male to -8anmale.

suits gm th350 & th400 gearboxes, easily plumb your transmission cooler with an lines and fittings. Cooper washers included.

replacement cooper washers - af59-3750