TransGo introduces their drop-in Cooler Flow Bypass Delete Kit for General Motors 6L80, 6L90 2014-on, 8L90 2016-on and Allison 2017-2019 automatic transmissions. The cooler flow bypass delete kit provides continuous cooler flow regardless of temperature and allows you to accurately check fluid level immediately after installation without having to wait or go through a warm-up cycle. The kit includes a cooler bypass plug with O-ring, a pin and a replacement O-ring for the existing thermostatic assembly (p/n 6L80-CLR-BYPASS).
