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.
| 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) |
| Part Number | MMTC-T1-19 |
| 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 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
