OEM Allison 1000 Pressure Switch Manifold

Quality replacement pressure switch manifold assembly for the Allison 1000 series automatic transmission in Duramax-equipped GM trucks. This OEM PSM is manufactured to OEM electrical and dimensional specifications for reliable operation and proper shift control. The Allison electronic control system requires all solenoids and sensors to function correctly for smooth, reliable shifting.

Compatible with 2001-2019 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD with Duramax 6.6L diesel engine and Allison 1000 transmission. Direct plug-and-play replacement with no modifications required. Professional quality backed by rigorous testing.