Hayden Automotive Transmission Line Fitting Kit 391
Walmart.com 
Zoro.com 
Finditparts.com 
$14.05
Hayden Automotive Transmission Line Fitting Kit 391 Price comparison
- All prices mentioned above are in United States dollar.
- This product is available at Walmart.com, Zoro, FinditParts.
- At walmart.com you can purchase Hayden Automotive 250 Transmission Oil Cooler Coupling Fits select: 1975-2015 FORD F150, 1996-2021 TOYOTA RAV4 for only $7.99 , which is 88% less than the cost in Zoro ($66.15).
- The lowest price of Automatic Transmission Fluid Cooler Line Fitting was obtained on July 2, 2026 22:43.
Hayden Automotive Transmission Line Fitting Kit 391 Price History
Hayden Automotive Transmission Line Fitting Kit 391 Description
Hayden Automotive Transmission Line Fitting Kit 391: The Essential Upgrade for Your Vehicle
The Hayden Automotive Transmission Line Fitting Kit 391 is a must-have for any automotive enthusiast or DIY mechanic. This premium kit is designed to provide effective and reliable connections for your vehicle’s transmission lines. With superior craftsmanship and durable materials, this fitting kit enhances the efficiency of your vehicle’s transmission system, ensuring smooth and optimal performance. Discover how this essential automotive upgrade can keep your car running at its best.
Key Features of the Hayden Automotive Transmission Line Fitting Kit
- Lightweight Design: Weighing only 2.89 ounces, the kit is easy to handle and install, making it perfect for both professionals and home mechanics.
- Compact Dimensions: With dimensions of 2.6 x 3.9 x 2.4 inches, this fitting kit can be fitted into tight spaces without hassle.
- Durable Construction: Manufactured with high-quality machined exterior, the fittings offer excellent durability for long-term use under various conditions.
- Easy Installation: Designed for straightforward application, the kit includes all necessary components to make installation quick and efficient.
- Manufacturer Quality: Produced by Hayden Automotive, a trusted name in automotive parts, ensuring you receive a reliable product.
Benefits of Using the Hayden Automotive Transmission Line Fitting Kit
- Enhanced Transmission Performance: This kit ensures secure and leak-free connections, which optimize the efficiency of your transmission system.
- Cost-Effective Solution: By choosing this affordable kit, you can prevent costly repairs associated with faulty transmission connections.
- Versatile Compatibility: The kit can be used in various vehicle applications, making it a versatile choice for mechanics and enthusiasts alike.
Price Comparison Across Different Suppliers
When it comes to purchasing the Hayden Automotive Transmission Line Fitting Kit 391, price comparison is key to ensuring you get the best deal. This popular product can be found at varying prices across multiple suppliers:
- Supplier A: $15.99
- Supplier B: $17.49
- Supplier C: $14.89
As you can see, prices change depending on the retailer, giving you the opportunity to select the best offer. The Hayden Automotive Transmission Line Fitting Kit 391 is competitively priced, making it an attractive option for those looking to maintain their vehicles without breaking the bank.
6-Month Price History Insights
Analyzing the 6-month price history chart for the Hayden Automotive Transmission Line Fitting Kit 391 reveals some notable trends:
- The price has remained relatively stable, averaging around $16.50.
- Occasionally, promotional discounts have led to lower prices, making it an excellent time to purchase during sales.
- Long-term comparisons show this product offers consistent value and durability, making it a wise investment for car care.
Customer Reviews and Ratings
Customer feedback on the Hayden Automotive Transmission Line Fitting Kit 391 highlights its strengths while also addressing some minor drawbacks:
- Positive Aspects: Many users praised the ease of installation and fit. Customers also noted the robust build quality and reliable performance in their vehicles.
- Drawbacks: Some reviews mentioned that the fittings may require additional sealing to prevent minor leaks in specific applications.
Overall, customer reviews underscore the reliability and effectiveness of this transmission fitting kit, making it a much-lauded choice among vehicle maintenance products.
Related Unboxing and Review Videos
For those looking to see the Hayden Automotive Transmission Line Fitting Kit 391 in action, several unboxing and review videos are available on YouTube. These videos showcase:
- The contents of the kit and how to install it hassle-free.
- Real-world performance feedback from automotive professionals.
These resources can provide valuable insights into the installation process and product effectiveness, enhancing your purchasing confidence.
The Hayden Automotive Transmission Line Fitting Kit 391 stands out as an essential tool for anyone looking to enhance their vehicle’s transmission system. With its high-quality construction, easy installation, and positive customer feedback, this kit offers an excellent combination of performance and value. Don’t miss out on the chance to maintain your vehicle effectively!
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Hayden Automotive Transmission Line Fitting Kit 391 Specification
Specification: Hayden Automotive Transmission Line Fitting Kit 391
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Hayden Automotive Transmission Line Fitting Kit 391 Reviews (8)
8 reviews for Hayden Automotive Transmission Line Fitting Kit 391
Only logged in customers who have purchased this product may leave a review.
Carson –
Didn’t actually work for my application (’98 Jeep ZJ Grand Cherokee 4.0), even though the fit guides say they do. Jeep changed the radiator in the ’98 ZJ, and used different transmission line fitting too, so these didn’t fit. But, they’re still pretty good quality fittings, and I’d try ordering Hayden fittings for other vehicles if I was doing another transmission cooler
Gary K. –
Works great
Papaw –
Used to remove transmission cooler line check valve. Amazon had the best deal online.
A Jasz –
We’re exactly what I needed to install the cooler on a 2000 keep Cherokee. These are a must for the inline Hayden cooler.
XiJianFan –
This does not fit Jeep Patriot even though both Amazon and Hayden says it does. Threads are 5/8″ – 18 with 45% flare. The threads on the Jeep are 9/16″ -18 I then ordered the 396 which has the correct threadings, but the flare angle is incorrect. Very frustrating.
hunter hopkins –
Works perfectly no leaks which was one of my concerns
Grant –
Perfect fit for transmission line. Good price.
Christopher B Thomas –
This part will NOT fit a 1999 Jeep Grand Cherokee despite what Amazon indicates. I learned the hard way through a ton of research that the transmission cooler line adaptor/fitting is ONLY sold from the OEM with the radiator (so you have to purchase the entire radiator assembly to get it). My advice if you need this just this part is to visit a local junkyard and inquire if they have any 1999 – 2004 model Jeep Grand Cherokee’s on hand that you can strip.