---
product_id: 3168199
title: "Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler to Enhance Cooling (not for direct replacement of the factory unit)"
brand: "hayden automotive"
price: "$U6578"
currency: UYU
in_stock: true
url: https://www.desertcart.uy/products/3168199-hayden-679-universal-11-rapid-cool-add-on-transmission-cooler
store_origin: UY
region: Uruguay
---

# Compact 11” size Patented turbulation boosts heat transfer Pre-drilled brackets for easy install Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler to Enhance Cooling (not for direct replacement of the factory unit)

**Brand:** hayden automotive
**Price:** $U6578
**Availability:** ✅ In Stock

## Summary

> ❄️ Stay Cool, Tow Hard: The Ultimate Transmission Cooler Upgrade

## Quick Answers

- **What is this?** Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler to Enhance Cooling (not for direct replacement of the factory unit) by hayden automotive
- **How much does it cost?** $U6578 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/3168199-hayden-679-universal-11-rapid-cool-add-on-transmission-cooler)

## Best For

- hayden automotive enthusiasts

## Why This Product

- Trusted hayden automotive brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Complete Cooling Kit:** Includes cooler, hose, and mounting hardware—everything you need to upgrade your transmission cooling game
- • **Effortless Installation:** Pre-drilled mounting brackets and 19mm hose barb fittings make setup a breeze—no sweat, no hassle
- • **Heavy-Duty Compatibility:** Supports GVWR up to 30,000 lbs and towing up to 10,000 lbs—built for serious haulers
- • **Precision Compact Design:** Sleek 11” x 3/4” profile fits seamlessly with OEM systems
- • **Next-Level Cooling Efficiency:** Patented internal turbulation maximizes heat transfer while minimizing pressure drop—keep your transmission chill under pressure

## Overview

The Hayden 679 Universal 11” Rapid-Cool Transmission Cooler is a premium add-on designed to enhance your vehicle’s cooling system. Featuring a compact plate and fin design with patented internal turbulation, it significantly improves heat transfer while minimizing pressure drop. Compatible with OEM cooler systems for Class A motorhomes and heavy trailers, it supports GVWR up to 30,000 lbs and towing capacities up to 10,000 lbs. The kit includes pre-drilled mounting brackets, hose barb fittings, and all necessary hardware for quick, secure installation.

## Description

Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler to Enhance Cooling (not for direct replacement of the factory unit)

## Features

- Size is 3/4 inch x 11 inch x 11-5/8 inch. Compatible with OEM cooler systems
- Class "A" motor homes, large travel trailers, 5th wheel trailers
- GVWR up to 30,000 pounds, towing up to 10,000 pounds
- Patented internal turbulation increases heat transfer with minimal pressure drop
- Pre-drilled mounting brackets for easy installation

## Images

![Hayden 679 Universal 11” Rapid-Cool Add-On Transmission Cooler to Enhance Cooling (not for direct replacement of the factory unit) - Image 1](https://m.media-amazon.com/images/I/71ZL1G9OomL.jpg)

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**Shop now:** [https://www.desertcart.uy/products/3168199-hayden-679-universal-11-rapid-cool-add-on-transmission-cooler](https://www.desertcart.uy/products/3168199-hayden-679-universal-11-rapid-cool-add-on-transmission-cooler)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-01-22*