Misc. Parts

6L80 6L90 8L90 Cooler Bypass Eliminator Kit | Sonnax

Services Two Vehicles The OE thermal bypass element in GM 6L80, 6L90 and 8L90 transmissions is prone to sticking open or closed, restricting cooler flow and leading to transmission overheating and damage. Sonnax cooler bypass eliminator kit...

8L90 8L45 Accumulator Feed Plug Spring | 24261729

There are 7 of these springs used in the 8L45 and 8L90 rebuilds.  This listing is for one spring. 

8L90 8L45 Accumulator Feed Plug | 24275252

Seven used in 8L45 and 8L90 transmission rebuilds, this listing is for one plug.

6L80 6L90 6L45 8L45 8L90 6T35 6T45 6T50 9T45 9T60 Filler Port Seal

6L80 6L90 6L45 8L45 8L90 10L60 10L80 10L90 Cooler Seal | 15251488