The Mishimoto transmission cooler for the 2019-2025 Chevrolet Silverado / GMC Sierra 1500 is a direct-fit, tube-and-fin upgrade for towing, fleet, and daily-driven trucks. Its core is significantly larger than stock, with 266% greater core volume and 322% greater fin surface area for serious heat dissipation. Included CNC-machined -6ORB adapters connect to the factory lines (or AN lines) for leak-free flow, with direct-fit brackets and tailor-made hoses for an easy install.
| Brand | Mishimoto |
| Type | Direct-fit transmission cooler |
| Core | Tube-and-fin |
| vs. Stock | +266% core volume, +322% fin surface area |
| Fittings | CNC-machined -6ORB adapters (stock line or AN) |
| Warranty | Mishimoto Lifetime Warranty |
Documents: Installation Instructions (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2023 | Chevrolet | Silverado 1500 | Custom |
| 2019-2025 | Chevrolet | Silverado 1500 | Custom Trail Boss |
| 2019-2025 | Chevrolet | Silverado 1500 | High Country |
| 2019-2025 | Chevrolet | Silverado 1500 | LT |
| 2019-2025 | Chevrolet | Silverado 1500 | LT Trail Boss |
| 2019-2025 | Chevrolet | Silverado 1500 | LTZ |
| 2023-2025 | Chevrolet | Silverado 1500 | PPV |
| 2019-2025 | Chevrolet | Silverado 1500 | RST |
| 2019-2021 | Chevrolet | Silverado 1500 | SSV |
| 2019-2025 | Chevrolet | Silverado 1500 | WT |
| 2022-2025 | Chevrolet | Silverado 1500 | ZR2 |
| 2019 | Chevrolet | Silverado 1500 LD | Custom / LT / WT |
| 2022 | Chevrolet | Silverado 1500 LTD | (all trims) |
| 2019-2025 | GMC | Sierra 1500 | AT4 |
| 2022-2025 | GMC | Sierra 1500 | AT4X |
| 2019-2021 | GMC | Sierra 1500 | Base |
| 2019-2025 | GMC | Sierra 1500 | Denali |
| 2022-2025 | GMC | Sierra 1500 | Denali Ultimate |
| 2019-2025 | GMC | Sierra 1500 | Elevation |
| 2022-2025 | GMC | Sierra 1500 | Pro |
| 2019-2025 | GMC | Sierra 1500 | SLE |
| 2019-2025 | GMC | Sierra 1500 | SLT |
| 2022 | GMC | Sierra 1500 Limited | AT4 / Denali / SLT |
