Heating and Cooling› Oil and Fluid Coolers
Katech
High-Capacity Heat Exchanger
SKU: KAT-A6389
Moderate — 2–4 hours
Description
This direct replacement for the stock cooler is twice as thick and offers greater coolant capacity. It also features a remote bleeder hose for easy bleeding.
This heat exchanger is designed for the 2016-2019 Cadillac CTS-V models with the 6.2L engine.
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Katech |
| Part Number | KAT-A6389 |
| Category | Heating and Cooling |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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