BD Diesel Bypass Delete Fluid Cooler Bypass - Black - GM 6L90 2019-23 150-20-7816K The block off plate is

The block off plate is powder-coated a textured black to match the RM-60 mount

These are TIG welded for strength and durability

Will not fit 235 and 261 engines

High-impact molded plastic nose

1962-1970 Ford Fairlane

BD Diesel Bypass Delete Fluid Cooler Bypass - Black - GM 6L90 2019-23 150-20-7816K The block off plate isDebris in the stock cooler bypass valve can cause it to jam the internal valve, keeping it in recirculation mode. When this happens, the transmission temperature will rise, which can lead to overheating and premature transmission failure. The BD Cooler Bypass Delete keeps the transmission cooler operational all the time and eliminates this failure prone item. Product Description: Fluid Cooler Bypass Bypass Delete Fitting Gasket O Rings Aluminum Black