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❄️ Keep your transmission chill and your ride unstoppable!
The Hayden Automotive 678 Rapid-Cool Add-On Transmission Cooler is a compact, high-performance cooling solution designed for heavy-duty vehicles up to 24,000 lbs GVWR. Featuring patented internal turbulation technology, it enhances heat transfer efficiency while minimizing pressure drop. The kit includes a robust 11" x 9.5" cooler, 4-foot hose, and mounting hardware, ensuring easy installation and reliable, leak-proof operation with brass fittings. Ideal for trucks, vans, and motorhomes, this UL-certified cooler safeguards your transmission during demanding towing and driving conditions.

| ASIN | B000C3DDKO |
| Best Sellers Rank | 249,780 in Automotive ( See Top 100 in Automotive ) 1,539 in Car Drive & Transmission |
| Brand | Hayden Automotive |
| Connector Type | Hose Barb |
| Connector type | Hose Barb |
| Contact Material | Brass |
| Contact Type | Normally Open |
| Contact material | Brass |
| Contact type | Normally Open |
| Customer Reviews | 5.0 out of 5 stars 2 Reviews |
| Global Trade Identification Number | 00036752006786 |
| Item Weight | 485 g |
| Manufacturer | Hayden Automotive |
| Manufacturer Part Number | 678 |
| Model Number | 678 |
| Mounting Type | Surface Mount |
| Mounting type | Surface Mount |
| Operation Mode | Automatic |
| Operation mode | Automatic |
| Specification Met | UL |
| UPC | 036752006786 |
| Unit Count | 1.0 count |
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