Doc's Diesel Chevrolet/GMC 6.6L Duramax 10L1000 L5P Transmission Service Kit 2020-2026Chevrolet/GMC 6.6L Duramax 10L1000 L5P Transmission Service Kit 2020-2026. Doc's Diesel Chevrolet/GMC 6.6L Duramax 10L1000 L5P Transmission Service Kit 2020-2025 DF-434: AC/Delco 24298004.
