Exterior Components› Body Panels and Components
Derale
Dyno-Cool Aluminum Trans Cooler
SKU: D00Y 12903
Moderate — 2–4 hours
Description
Part #: 12903
This universal all-aluminum transmission cooler is perfect for today's highly-stressed mid to full-size car and mid-size truck automatic transmissions. Featuring embossed turbulators inserted into full 1/2" tubing to agitate fluid and louvered cooling fins, it extends transmission life by helping to prevent heat-related transmission failures while improving shift performance. This kit comes with a complete transmission cooler hardware kit to easily install onto vehicles with 5/16" transmission cooler lines.
Features:
- 6 Pass 15" Dyno-Cool Series 6000 Aluminum Transmission Cooler
Fluid Cooler - Dyno-Cool - 15.250 x 7.500 x 0.750 in - Tube Type - 11/32 in Hose Barb Inlet / Outlet - Fitting / Hardware / Hose - Aluminum - Natural - Automatic Transmission - Kit
MIA's Description
Fitment
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Specifications
| Brand | Derale |
| Part Number | D00Y 12903 |
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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