Best Transmission Cooling Lines of 2025

The CMOOD Transmission Cooler Lines are designed for durability and efficiency. Made from high-strength PTFE (Teflon), these lines resist heat, cold, and corrosion, ensuring long-lasting performance under pressure. Their universal fit works with popular Chevy, GM, and Ford models, making them a versatile choice for various vehicles. You’ll appreciate the improved cooling efficiency, as these lines help lower transmission oil temperatures, preventing overheating and extending the life of your transmission system. Additionally, the anti-leak design ensures a secure fit, giving you peace of mind during installation and use.

The Dorman Automatic Transmission Oil Cooler Hose Assembly is a reliable replacement for your vehicle's stock hose assembly. It is made of metal and rubber with OE-style fittings to ensure quality, proper fit, and performance. This product is less expensive than the original equipment but still offers OE quality. It has undergone on-vehicle testing to guarantee its reliability. To ensure it fits your car exactly, use the garage tool and input your make, model, and trim level.

Dorman 624-284 Automatic Transmission Oil Cooler Hose Assembly is designed to replace the stock hose assembly on specific Chrysler/Dodge/Ram models. It is made of metal and rubber with OE-style fittings to ensure reliability and has undergone on-vehicle testing for quality, proper fit and performance. The product is a cost-effective option for OE quality.

The Dorman Oil Cooler Hose is a direct replacement for your vehicle's original assembly, ensuring a perfect fit and function. If your current hose is leaking or damaged, this product is engineered to provide optimal transmission cooling, helping to prevent further issues. Its durable construction means you can rely on it for long-lasting performance, giving you peace of mind on the road. With the support of a team of experts and over a century of automotive experience, you can trust in the quality of this hose assembly.

The A-Premium Transmission Oil Cooler Line is designed specifically for the Jeep Wrangler models from 2007 to 2011 with a V6 3.8L engine. This product features a dual line assembly that fits automatic transmissions, ensuring efficient cooling for your vehicle. Made from durable, corrosion-resistant materials, it promises reliable and leak-free performance, so you can drive with confidence. With a length of 33.5 inches, it serves as a direct replacement, making installation straightforward. Always verify compatibility with your vehicle's specifications before purchase for a perfect fit.

The Aspaton 70" Transmission Lines offer a reliable solution for your transmission cooling needs. Designed to fit various models like C5, C6, and several others, this kit ensures compatibility with a wide range of transmissions. Made from high-quality stainless steel and PTFE, these lines provide excellent sealing, enhancing your vehicle's performance. The flexible braided design allows for easy installation in tight spaces, making it convenient for you to navigate complex setups. Just remember to check the hose size and fitting model before purchasing to ensure a perfect fit.

The 6AN Transmission Cooler Hose Line kit is a universal transmission cooling solution that is compatible with various transmission models such as TH350, TH400, 4L60E, 4L80E, 700R4, 200-4R, TR6060, Ford AOD 4R100, 4R70W, and C5. It is designed to improve the transmission cooling efficiency of your vehicle, making it ideal for daily driving or towing/hauling purposes. By adding an appropriate-sized transmission cooler, you can extend the life of your transmission by preventing heat-related failures. The kit is made of high-quality Stainless Steel and PTFE, ensuring durability, flexibility, corrosion resistance, and no leakage. With professional manufacturing technology and a stable performance, this kit provides you with confidence in its quality and performance.

The Four Seasons Hose is designed to work seamlessly with 11/32" OEM cooler systems, ensuring a perfect fit for your vehicle. Made from durable black chemigum (nitrile), this hose offers excellent resistance to wear and tear. Its 2-spiral synthetic reinforcement adds strength, allowing it to withstand high pressures without compromising performance. Additionally, the black Hypalon cover provides added protection from environmental factors, keeping your transmission cooling system running smoothly. By choosing this hose, you can enjoy peace of mind knowing that your transmission is well-protected and functioning efficiently.

The Autoutfit AN6 Cooler Lines kit is designed for compatibility with 4L60E and 4L65E transmission systems, ensuring a universal fit for your vehicle. The hoses are crafted with a durable CPE rubber core, reinforced with 304 steel wire and a nylon braid for added strength and longevity. You will appreciate the high-performance aluminum alloy used for the hose adapters, providing reliability under pressure. Additionally, the kit includes all necessary components, such as various hose ends and fittings, making installation easy and straightforward. This comprehensive package is perfect for upgrading your transmission cooling system.

The Dorman Transmission Hose Assembly is designed as a direct replacement for your vehicle’s original transmission oil cooler hose. This means you can easily install it without any modifications, ensuring a perfect fit for your Cadillac, Chevrolet, or GMC. If your current assembly is leaking or damaged due to wear and tear, this assembly is engineered to maintain proper transmission cooling, helping to prevent further issues. Made from high-quality materials, you can trust its durability for long-lasting performance. Plus, it comes with the reliability of Dorman’s extensive automotive experience.