Features 1.Fitment: Replacement for Express Van 2500 3500 4500 19962019; Replacement for H1 19942006; Replacement for EXT 20022006; Replacement for 2500HD 3500HD 20012019. 2.OE Number: Replaces part number is NCR80E, high performance, strong reliability, making sure safety use. Double check your OEM part number for proper fitment. 3.Full Manual Control: The 4L80E transmission controller does not support automatic shifting, works like a full manual valve body. Forward shift pattern and engine braking on downshifts. 4.Ensure Smooth Shifting: Gear changes with column or floor shifter; must have PRND321. Recommend aftermarket ratchet shifter for performance use. 5.Durable Construction: Made with ABS materials for long lasting durability. Designed for easy installation and reliable performance in various vehicles. Specification Item Type: 4L80E Stand Alone ControllerMaterial: ABSOE: 4L80E, NCR80ECompatibility: Fit for Vehicles with 4L80E Transmissions 1994-up (1991-1993 must have round case connector)Fitment:Replacement forVan 2500 3500 4500 1996-2019Replacement for2500HD 3500HD 2001-2019Replacement for Express Van 2500 3500 4500 1996-2019Replacement forH1 1994-2006Replacement for EXT 2002-2006 Package List 1 x 4L80E Controller Wire Harness1 x Button2 x Wiring6 x Accessories Note Please double check the part number of your item, matching information is for reference only.