

⚙️ Upgrade your ride’s cooling game without the cut — install like a pro!
The Hayden Automotive 397 Transmission Line Fitting Kit offers a snap-in style solution for GM vehicles from 1996 onward, enabling auxiliary transmission cooler installation without cutting original equipment lines. Compact, lightweight, and easy to install, this USA-made kit streamlines transmission maintenance while preserving factory integrity.


| Manufacturer | Hayden Automotive |
| Brand | Hayden Automotive |
| Product Dimensions | 1.78 x 3.81 x 2.79 cm; 13.61 g |
| Item model number | 397 |
| Manufacturer Part Number | 397 |
| Size | medium |
| Colour | black |
| Assembly Required | No |
| Special Features | easy to install |
| Manufacturer | Hayden Automotive |
| Country of Origin | USA |
| Item Weight | 13.6 g |
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