

⚙️ Upgrade your ride’s cooling game without the cut — seamless, sleek, and stress-free!
The Hayden Automotive 397 Transmission Line Fitting Kit offers a precision-machined, snap-in solution for GM vehicles from 1996 onward, enabling auxiliary transmission cooler installation without cutting original equipment lines. Compact and lightweight, this metal fitting kit simplifies upgrades while preserving OEM integrity.


| Brand | Hayden Automotive |
| Material | Metal |
| Color | Multi |
| Product Dimensions | 5"L x 3.5"W |
| Item Weight | 13.61 g |
| Outside Diameter | 8.89 Centimeters |
| Item Length | 12.7 Centimeters |
| UPC | 036752003976 |
| Manufacturer | Hayden Automotive |
| Global Trade Identification Number | 00036752003976 |
| Model | FITTING |
| Item Weight | 0.48 ounces |
| Item model number | 397 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 397 |
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