Are you trying to find automotive transmission cooling lines among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling automotive transmission cooling lines on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 21 hours of research and did 23 automotive transmission cooling lines tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best automotive transmission cooling lines you can buy today
- 【Application】 Universal for any use with AN6 adapter fitting. Also fit for Transmission TH350, TH400, 4L60E, 4L80E, 700R4, 200-4R, TR6060, Ford AOD 4R100, 4R70W, and C5.
- 【Function】 Improve the transmission cooling efficiency of your daily driver and add transmission cooling capabilities for towing or hauling in your truck or SUV.
- 【Extend for Use Life】 Adding an appropriate-sized transmission cooler will help extend the life of your unit by avoiding heat-related failure.
- 【Superior Material】 Made of high-quality Stainless Steel and PTFE, combines durability and longevity with flexibility, corrosion resistance, stronger seam, and no leakage.
- 【Quality Assurance】 Our products adopt professional manufacturing technology, exquisite workmanship, unique design, stable performance, and high reliability. Our products allow you to use and purchase with confidence. If you want to know more details about the product parameters, you can send an email or ask questions through QA.
- Size is 8 inch x 4-1/2 feet
- Designed for transmission fluid applications
- Made for tight radius applications found in transmission cooler installations
- Package Dimensions : 12" L x 14.5" W x 15" H
- PACKAGE INCLUDE - MuHize's transmission cooler hose kit includes everything you need for a secure and efficient cooling system. The package includes two 52-inch stainless steel braided hoses with a 3/8 I.D., four AN-6 flared to 1/4 In NPT billet adaptors, two AN-6 flared to 3/8 In NPT billet adaptors, and two 90-degree AN-6 inverted flare to AN-6 flare billet adaptors.
- COMPATIBILITY - This transmission cooler hose kit is specifically designed to fit TH350, 700R4, and TH400 coolers of Chevy, Ford, Mopar, GM, GMC, Buick, Cadillac cars, and trucks. It offers a compatible solution for a wide range of vehicles.
- DURABILITY - Durability is a key feature of this transmission cooling line kit. The hose is made of high-strength PTFE (Teflon) material, which is known for its resistance to high and low temperatures and anti-corrosion properties. The precision braided stainless steel on the outside of the hose greatly enhances its strength and durability.
- ANTI-LEAKAGE - To ensure a leak-free installation, the interface of the hose is covered with a black rubber material. This rubber cover effectively prevents leakage and ensures the normal and efficient operation of the hose.
- DIFFERENT FITTINGS - It is important to note that different fittings are included in the package to accommodate different cars and turbos. Please check the specifications and requirements of your specific vehicle to ensure that the MuHize transmission cooling hose kit is the correct fit for your needs.
- GM 1996 and later snap-in style lines
- Simplifies transmission cooler installation
- For auxiliary transmission cooler installation without cutting OE lines
- Package Dimensions: 12.7 L x 4.064 H x 8.89 W (centimeters)
- Perfect Fitment: Transmission cooling line fits most transmission coolers, like 4L60 700R4 TH350 TH400 etc.
- Package Included: This transmission cooling hose includes 2 X 7ft AN6 PTFE Hose with Straight Head, 2 X AN6 Male to 1/2 x 20 Male Inverted, 2 X AN6-1/4 NPT 90 Degree
- Applicable Range: Temperature range from -76°F to 446°F (-60°C to 230°C). Maximum Working Pressure (psi): 3000 psi. Burst pressure (psi): 10000psi. AN-6 Nylon & Stainless Steel Braided High Pressure PTFE Fuel Line Kit can withstand more robust heat and extreme environments.
- Superior Material: The hose is made of black nylon outside, PTFE high quality material inside, and the fitting connectors are made of high performance lightweight 6061-T6 CNC machined billet aluminum, black anodized for durability
- Warm Tips: The PTFE tube is hard and not easy to fold, please install it under professional guidance. If you have relevant experience, you can also install it yourself after watching a video on YouTube. If there is any problem, please contact us in time.
- PACKAGE INCLUDE - 2 x 70 inch 3/8 I.D. Stainless Steel Braided Hoses; 2 x AN-6 flared to 1/4 In NPT billet adaptors; 4 x AN-6 flared to 3/8 In NPT billet adaptors; 4 x 90-degree AN-6 inverted flare to AN-6 flare billet adaptors; 2 x Aluminum 4L80E adapter fittings.
- COMPATIBILITY - MuHize 70 inch transmission cooler hose fits for GM Chevy 1996-2021 4L80E, for Ford C4-C6-AOD, for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E.
- DURABILITY - This transmission cooling line kit is made of high-strength PTFE(Teflon), which is resistant to high & low temperatures and is anti-corrosion. The precision braided stainless steel on the outside of the hose greatly increases the strength of the tube.
- ANTI-LEAKAGE - The interface is covered with black rubber, which can effectively prevent leakage and ensure the normal operation of the hose.
- DIFFERENT FITTINGS - Different sizes of fittings are for different cars and turbos. Please check as much as possible to make sure the transmission cooling hose is the one that you need.
- Fits Most Transmissions: Our 6AN PTFE Transmission Cooler Lines is designed to fit a variety of transmissions, including 4L60 700R4 TH350 TH400, and more.
- Complete Kit: This Cooling Line Bundle kit includes 2x 7ft AN6 PTFE hoses with straight heads, 2x AN6 male to 1/2 x 20 male inverted fittings, and 2x AN6-1/4 NPT 90-degree fittings.
- Wide Temperature Range: With a temperature range of -76°F to 446°F (-60°C to 230°C), this AN-6 Nylon & Stainless Steel Braided PTFE Fuel Line Kit can handle extreme heat and environments. With a maximum working pressure of 3000 psi and burst pressure of 10000 psi, it is built to last.
- High-Quality Materials: The hose features a black nylon exterior and high-quality PTFE interior, while the fittings are made of durable 6061-T6 CNC machined billet aluminum with black anodized finish.
- Professional Installation Recommended: The PTFE tube is sturdy and difficult to bend, so it is recommended to have it installed by a professional. If you have experience, you can watch a video on YouTube and install it yourself. If you encounter any issues, feel free to reach out to us for assistance.
- For Ford 1983 to current
- Simplifies transmission cooler installation
- Package Weight : 0.05 pounds
- Package dimensions:4.25" (L) x 8.0" (W) x 5.5" (H)
- Universal Fitment: Compatible with 4L60E 4L65E Transmisson.
- Material: The oil hose is made of CPE rubber inner core, with a layer of 304 steel wire and nylon outer braid; the hose adapters are made of high-performance aluminum alloy.
- Package included: 1x 15' FOOT OF PREMIUM -6 STEEL BLK BRAIDED HOSE 2x 6 AN STRAIGHT HOSE ENDS BLACK 2x 6 AN 90 degree HOSE ENDS BLACK 2x BLACK 1/4"NPSM X -6 TRANSMISSION FITTINGS(the short ones with the o ring) 2x BLACK 1/4"NPT x -6 RADIATOR FITTINGS as picture show(the long ones without the o ring)
- Note: Please check the part number and compare with pictures provided here before purchasing to ensure proper fitment. Any questions please send us message.
- Service: If there are any problems that make you dissatisfied with this purchase, please contact us directly. We offer a one-year warranty with a 100% satisfaction guarantee.
- Compatible with 11/32" OEM cooler systems
- Tube made of black chemigum (nitrile)
- Reinforced with 2-spiral synthetic
- Covered in black Hypalon
- Stainless steel flexible braided transmission hoses/ lines fit single and dual pass coolers
- The universal kit is perfect for your Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom and more
- Works with lots of Chevy, Ford, Mopar, GM, GMC, Buick, Cadillac cars & trucks
- Package includes:(2) about 52 inch & 3/8" I.D. Stainless Steel Braided Hoses,4) AN-6 flared to 1/4" NPT billet adaptors,(2) AN-6 flared to 3/8" NPT billet adaptors,(2) 90 degree AN-6 inverted flare to AN-6 flare billet adaptors.
- You can contact us if you have any questions about the product, and we will try our best to help solve them
- Recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability
- Manufactured to GM OE specification for fit, form, and function
- Package Dimensions: 3.81 H x 2.54 L x 3.81 W (centimeters)
- Compatible with: Transmission cooling line fits most transmission coolers, like 4L60 700R4 TH350 TH400 etc.
- Range of Application: Temperature range from -76°F to 446°F (-60°C to 230°C). Maximum Working Pressure (psi): 3000 psi. Burst Pressure (psi): 10000psi. 6AN Nylon and Stainless Steel Braided High Pressure PTFE Fuel Line Kit to withstand more intense heat and extreme environments.
- Superior Quality: The transmission cooler hose is made of black nylon on the outside and PTFE premium material on the inside, the fitting connector is made of high performance lightweight 6061-T6 CNC machined billet aluminum, black anodized for durability, high strength.
- Package Included: transmission lines include: 2* 7ft AN6 PTFE hose with straight fittings, 2* AN6 male thread flared to 1/2 * 20 male thread inverted, 2* AN6-1/4 NPT 90 degree, 1*waterproof tape. Flexible transmission cooler lines make cooling your automatic transmission easy. These lines come with all the necessary fittings to run your line from the cooler to the transmission.
- Reminder: The PTFE tube is hard and not easy to fold, please install it under professional guidance. If you have relevant experience, you can also install it yourself after watching a video on YouTube. This Transmission cooling line is the perfect replacement for transmissions, solving leaks or cooling issues. If you have any questions, please contact us in time.
- 🔧【Applicable Models】The Braided Transmission Lines is compatible with lots of Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom and more, Works with Chevy, Ford, Mopar, GM, GMC, Buick, Cadillac cars & trucks.
- 🔧【Replace Part Number】6AN PTFE Transmission Cooling Line replace number is TH350 700R4 TH400. Note: Please check hose & fitting sizes prior to ordering since some fittings are 1/4" and others 3/8"
- 🔧【Material】The outside of the transmission cooling lines is made of flexible stainless steel, and the inside of the hose is made of high temperature resistant, anti-freeze cracking and explosion-proof PVC material.
- 🔧【Features & Size】This 6an transmission cooler kit is flexible , each 3/8" inner diameter hose is approximately 52" in length, and comes with an AN-6 inverted torch end; single-channel and dual-channel coolers are installed.
- 🔧【Package Include】The Transmission Cooler Line Fittings includes 2 x 52 inch & 3/8" ID Hoses; 4 x 6AN flared to 1/4" NPT billet adaptors, which fits most 700R4, TH350, TH400; 2 x 6AN flared to 3/8" NPT billet adaptors; 2 x 90 degree 6AN inverted flare to 6AN flare billet adaptors.
- 【Compatible With】：Applicable to GM turbo 350 (partially 1 / 4 "NPT), turbo 400,turbo 200-200R4,power glide (partially 1 / 4" NPT),700R4,4L60 4L60E,4L65E,4L80E,compatible with Ford C4/C6/AOD & GM Chevy 1996-2021.
- 【Function】：Improving the cooling efficiency of the vehicle's gearbox helps to avoid heat related faults and thus extends the service life of the equipment.
- 【70" 6AN Transmission Cooler Lines Kit Includes】：Two stainless steel braided hoses with an inner diameter of about 70 inches and 3 / 8 inches; Four an-6 flared to 1 / 4 inch NPT billet adapters; Two an-6 flared to 3 / 8 "NPT billet adapters; four 90 degree an-6 reverse flared to an-6 flared billet adapters, two aluminum 4l80e adapter accessories.
- 【Superior Material】：The transmission cooler pipeline kit adopts high-quality 304 stainless steel braided PTFE hose, which has good protection effect, soft, tough and wear-resistant. It is not easy to leak when operating under high pressure.
- 【After Sales】：Please check the hose and fitting dimensions before ordering.1 year warranty provided,Please purchase and use at any time.
- 🚗Replace Number - Transmission cooler hose fitting replace number is TH350 700R4 TH400.
- 🚗Package Include - AN6 flared to 1/4" NPT billet adaptors, fits most 700R4, TH350, TH400; Please check fitting size prior to ordering (Some are 1/4" and others 3/8");AN-6 flared to 3/8" NPT billet adaptors;90 degree AN-6 inverted flare to AN-6 flare billet adaptors; lines in the kit, and each line is about 52".
- 🚗Compatible with -The universal kit is perfect for your Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom and more;Works with lots of Chevy, Ford, Mopar, GM, GMC, Buick, Cadillac cars & trucks
- 🚗Made of high-quality materials, durable
- 🚗1 year warranty for it.If you have any problem ,please contact us and we will respond you on 24 hours
- 【Fitment Models】The universal th350 transmission turbo lines are perfect FIT for Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom and more; Works with lots of Chevy, Ford, Mopar, GM, GMC, Buick, Cadillac cars & trucks.
- 【Premium Material】This transmission cooler kit is made of igh-quality 304 stainless steel braided PTFE hose, which has good protection effect, soft, tough and wear-resistant. The interface is covered with black rubber, which can effectively prevent leakage and ensure the normal operation of the hose.
- 【Super Function】Transmission cooler hose can improve the cooling efficiency of the vehicle's gearbox helps to avoid heat related faults and thus extends the service life of the equipment. And this fitting replace number is TH350 700R4 TH400.
- 【Easy to Install】Use fittings to thread into the transmission and AN adapters to connect to transmission cooler ensuring a reliable, leak free transmission cooling system.
- 【Package Include】2 x 70" & 3/8" I.D Stainless Steel Braided Hose 4 x 90 Degree 6AN Female to 6AN Male Adapter Fitting, 4 x 6AN to 1/4NPT Adapter Fitting, 2 x 6AN to 3/8NPT Adapter Fitting, 2 x 6AN to 1/4NPS Adapter Fitting, 2 x O-rings. Different sizes of fittings are for different cars and turbos. Please check as much as possible to make sure the transmission cooling hose is the one that you need.
- The outside of the hose is made of flexible stainless steel, and the inside of the hose is made of high temperature resistant, anti-freeze cracking and explosion-proof PVC material.
- After verification, hose compatible with Turbo 350 (Some are 1/4" NPT), Turbo 400,Turbo 200 - 200R4, Power Glide (Some are 1/4" NPT), 700R4 - 4L60 - 4L60E - 4L65E, 4L80E: 1995 & older, Ford C4 - C6 - AOD
- Package include two about 52 inch & 3/8" I.D. Stainless Steel Braided Hoses;four AN-6 flared to 1/4" NPT billet adaptors, fits most 700R4, TH350, TH400; two AN-6 flared to 3/8" NPT billet adaptors; two 90 degree AN-6 inverted flare to AN-6 flare billet adaptors.Please check pictures for more details.
- The universal kit is perfect for your Rat Rod, Hot Rod, Street Rod, Muscle Car, Custom and more, works with lots of For Chevy, For Ford, For GM, For GMC, For Buick, For Cadillac cars & trucks
- Under the protection of the brand, the quality of the goods is trustworthy. If you have any questions, you can contact us. We look forward to giving you the best shopping experience.
- Upgraded replacement - this transmission oil cooler line has been redesigned for improved corrosion resistance and greater durability
- Durable construction - a crimped fitting secures the rubber hose to the metal tube for 8x greater strength than original equipment to prevent corrosion
- Application specific - made to match the fit the function of the original line on specified vehicles
- Quality engineering - designed in the United States and backed by decades of automotive aftermarket experience
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
- ★ Accessories: Transmission cooling lines fit most transmission coolers. PTFE Hose and 6AN Hose End Fittings Transmission Retrofit Kit. The perfect replacement for your transmission, for leaks or cooling problems.
- ★ Replace Number: Transmission cooler hose fitting replace number is 4L60, 700R4, TH350, TH400.
- ★ Excellent quality: Transmission cooler hose adopts: PTFE lined hose, outer layer is braided stainless steel and nylon. Temperature Range: -76°F to 446°F (-60°C to 230°C); Maximum Working Pressure (psi) : 3000 psi. Burst pressure (psi): 10000psi. 6AN fittings are made from CNC machined billet aluminum, black anodized for durability and long lasting.
- ★ Excellent function: Transmission cooling lines can operate in temperatures ranging from -76°F to 446°F (-60°C to 230°C). Maximum Working Pressure (psi): 3000 psi. Burst pressure (psi): 10000psi. AN-6 nylon and stainless steel braided high pressure PTFE fuel line kits can withstand more robust heat and extreme environments.
- ★ Customer Service: We offer a 1 year warranty on the transmission cooler hose kit. If you have any questions, please feel free to contact us by mail. It is recommended to install it by yourself after watching a video on YouTube.
How to choose a good automotive transmission cooling lines
Does the idea of finding a fantastic automotive transmission cooling lines make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in automotive transmission cooling lines. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top automotive transmission cooling lines products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top automotive transmission cooling lines on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top automotive transmission cooling lines brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top automotive transmission cooling lines based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the automotive transmission cooling lines were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good automotive transmission cooling lines, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your automotive transmission cooling lines.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive transmission cooling lines for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our automotive transmission cooling lines. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what automotive transmission cooling lines should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on automotive transmission cooling lines.
