STL010 Transmission Cooler Bypass Upgrade Kit GM 6L80 6L90 8L90 10L90 15251488
USD 30.00 USD
Specifications
| Mounting Style | Bolt-On, Drop-In |
| Manufacturer Part Number | STL010 |
| Material | Aluminum, Rubber, Steel |
| Fuel Type | Gasoline, Diesel |
| Brand | Unbranded |
| OE/OEM Part Number | STL010, 15251488 |
| Finish | Machined Metal Finish |
| Country Of Origin | China |
| Performance Part | Yes |
The factory-installed thermal bypass valve (TBV) on GM 6L80, 6L90, 8L90, and 10L90 automatic transmissions is a notorious point of failure. The internal wax pellet often sticks in the closed position, blocking transmission oil from flowing to the external cooler.