Best Air Conditioning Liquid Line Repair Kits of 2025

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 9, 2025

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Air conditioning liquid line repair kits are an essential tool for maintaining the performance of an air conditioning unit. These kits provide a quick and easy solution for repairing leaks in the liquid line, which can cause a decrease in cooling efficiency and increased energy costs. They are designed to be used with a variety of refrigerants and are compatible with most types of air conditioning systems. These kits come with all the necessary components, including fittings, O-rings, and seals, making it easy for users to perform repairs without the need for specialized tools or expertise. They are cost-effective and can save homeowners and businesses money by reducing the need for expensive repairs or replacements.

At a Glance: Our Top Picks

Dorman A/C Line Splice Kit Cover #TOP 1
Dorman A/C Line Splice Kit
ftb score rating icon 9.9
GM 15-34056 A/C Line Repair Kit Cover #TOP 2
GM 15-34056 A/C Line Repair Kit
ftb score rating icon 9.8
SPLICE-LOK A/C Tube Repair Kit Cover #TOP 3
SPLICE-LOK A/C Tube Repair Kit
ftb score rating icon 9.6

Top 10 Air Conditioning Liquid Line Repair Kits

#TOP 1

Dorman A/C Line Splice Kit

800-670
Black
Dorman A/C Line Splice Kit Cover
Dorman 800-670 A/C Line Splice Kit for 5/8 Line With No.10 Hose

The Dorman A/C Line Splice Kit is a convenient and cost-effective solution for repairing damaged A/C lines. With this kit, you can easily remove the damaged section and splice the line back together, avoiding the need for costly repairs or replacements. The kit is easy to install and comes in different sizes to fit various A/C line diameters. Made by Dorman, a trusted brand in automotive parts, this kit is backed by a team of engineers and quality control specialists in the United States. The Dorman A/C Line Splice Kit is a reliable and efficient way to repair your A/C lines without breaking the bank.

What We Like
Cost-effective
Easy installation
Variety of sizes
#TOP 2

GM 15-34056 A/C Line Repair Kit

GM
15-34056
GM 15-34056 A/C Line Repair Kit Cover
GM Parts 15-34056 1/2 in Air Conditioning Line Repair Kit

The GM A/C Repair Kit is a high-quality aftermarket solution designed for your vehicle's air conditioning needs. It ensures reliable performance and dependability, making it a great choice for restoring your A/C system to optimal function. This kit is crafted to meet specific fit and form requirements, ensuring a seamless installation. Plus, being manufactured in the United States, you can trust the quality and standards upheld during production. With this kit, you can confidently address any air conditioning line issues and enjoy a comfortable driving experience.

What We Like
High-quality aftermarket replacement
Reliable performance and dependability
Easy installation with vehicle-specific fit
Manufactured in the USA
#TOP 3

SPLICE-LOK A/C Tube Repair Kit

SPLICE-LOK
ACRK-045C
Black
SPLICE-LOK A/C Tube Repair Kit Cover
SPLICE-LOK Compression Style A/C Tube Repair Kit for 5/8" and 3/4" Tubes, Automotive Air Conditioning Repair Kit, SPLICE-LOK AC Tubing Repair Kit

SPLICE-LOK Repair Kit is a versatile solution for your automotive air conditioning needs. This kit includes nuts, ferrules, seals, and a body, making it easy to repair 5/8" and 3/4" tubes. You can use standard hand tools with this kit on various lines, including steel, aluminum, copper, and reduced barrier hose. It's convenient for DIY repairs and is not suitable for in-brake or clutch systems.

What We Like
Versatile repair solution
Easy to use
Works on various lines
#TOP 4

AC Line Repair Kit TR6 by Auto Cooling Solutions

TR6-12C
Natural
12" length
AC Line Repair Kit TR6 by Auto Cooling Solutions Cover
AC Line Repair Kits to repair 3/8" O.D. AC tube (12" length), TR6 by Auto Cooling Solutions. Replace or Splice Steel or Aluminum AC lines. EZ Flex, The EZ Flexible AC Line Solution

The Auto Cooling Solutions AC Kit is designed to help you easily repair or splice 3/8" O.D. AC tubes. Made in the USA, this flexible splice solution offers convenience and durability for your air conditioning needs. With its user-friendly design, you can tackle repairs without professional help, saving you both time and money. The kit's flexibility allows for easy installation in tight spaces, ensuring a secure fit for both steel and aluminum lines. This makes it an ideal choice for DIY enthusiasts looking to maintain their vehicle's cooling system.

What We Like
Made in the USA
Flexible installation options
Easy DIY repairs
Compatible with steel and aluminum
#TOP 5

GM Genuine Parts Air Conditioning Line Repair Kit

GM
15-34057
GM Genuine Parts Air Conditioning Line Repair Kit Cover
GM Parts Genuine 15-34057 3/8 in Air Conditioning Line Repair Kit

GM AC Line Repair Kit is a professional aftermarket replacement by GM Parts. It ensures the performance and dependability you expect from ACDelco. Manufactured in the United States, it meets high standards for fit, form, and function. This kit is designed specifically for your vehicle, offering precise compatibility and easy installation, ensuring reliable air conditioning performance.

What We Like
Premium Quality
Dependable Performance
Vehicle Specific Fit
#TOP 6

XXXCARXXX Air Conditioning Repair Kit

XXXCARXXX
G-QP-1020
XXXCARXXX Air Conditioning Repair Kit Cover
XXXCARXXX Air Conditioning Repair Splice Connector Kit,Aluminum Lines Line Splices Connector for 5/8 in. 3/8 in. 1/2 in,Replacement for 800-640, 800-641, 800-642

The XXXCARXXX Repair Connector Kit is designed to make your A/C and coolant repairs quick and easy. You won’t need a crimping tool, allowing you to fix only the damaged sections of your pipes in just minutes. The kit features an anti-vibration tension ring that prevents leaks from vibrations, ensuring a reliable seal. Additionally, the expanded seal sleeve offers extra sealing area to accommodate any imperfections in your tubing. With three sizes included, you can tackle various repairs without hassle, making this kit a convenient solution for your automotive needs.

What We Like
Quick repairs
No crimping tool needed
Anti-vibration design
Durable aluminum material
Multiple sizes included
#TOP 7

usvehj Air Conditioning Repair Splice Connector Kit

usvehj
800-640 800-641 800-642
usvehj Air Conditioning Repair Splice Connector Kit Cover
Replace for 800-640, 800-641, 800-642, Air Conditioning Repair Splice Connector Kit fits for 5/8 in. 3/8 in. 1/2 in. Aluminum Lines

The usvehj Air Conditioning Repair Splice Connector Kit is a high-quality product that is made of exceptional performance and longer life aluminum. It is compatible with 5/8 in., 3/8 in. and 1/2 in. aluminum lines and can repair only the damaged part of the A/C line, which saves you money. This kit is easy to install, and no special tools are needed, only a screwdriver is needed to install. It comes with a satisfaction guarantee, and you can contact the manufacturer if you are not satisfied with the product.

What We Like
Easy to install
High-quality materials
Compatible with multiple aluminum lines
Repairs only the damaged part of A/C line
Satisfaction guarantee
#TOP 8

ACDelco GM 15-34520 A/C Repair Kit

GM Parts
15-34520
ACDelco GM 15-34520 A/C Repair Kit Cover
ACDelco GM Genuine Parts 15-34520 16 mm Air Conditioning Line Repair Kit

The GM A/C Repair Kit, manufactured by ACDelco, is designed with the professional user in mind. It boasts high-quality components that ensure reliability and durability, making it ideal for effective air conditioning line repairs. With state-of-the-art technology, this kit allows you to confidently tackle repairs, knowing you have the best tools available. Additionally, ACDelco is renowned for its diverse range of award-winning products, ensuring you have access to trusted solutions for your automotive needs.

What We Like
High-quality components
Professional-grade design
Advanced technology
Trusted brand reputation
#TOP 9

FQRANBO A/C Line Splice Connector Kit

FQRANBO
F-JT04
FQRANBO A/C Line Splice Connector Kit Cover
800-640 800-641 800-642 A/C Line Splice Connector Splicer fit,Air Conditioning Repair Splice Connector Kit fits for 5/8 inch 3/8 inch 1/2 inch,Aluminum Lines

The FQRANBO A/C Splice Kit is designed to make your air conditioning repairs quick and easy. It includes connectors for various sizes of aluminum lines, allowing you to replace damaged sections without needing to replace the entire assembly. This time-saving feature not only cuts down on labor but also helps restore your A/C system to optimal performance. Made from durable materials like copper and aluminum, these connectors resist rust and corrosion, ensuring longevity. Plus, installation is straightforward—just grab a screwdriver and you’re good to go!

What We Like
Easy installation with screwdriver
Durable, corrosion-resistant materials
Time-saving repair solution
Compatible with various line sizes
#TOP 10

ACDelco 15-34058 Air Conditioning Repair Kit

15-34058
ACDelco 15-34058 Air Conditioning Repair Kit Cover
ACDelco Professional 15-34058 5/16 in Air Conditioning Line Repair Kit

The ACDelco Repair Kit is a top-quality solution for your air conditioning line repairs. It is designed as a professional-grade, aftermarket replacement, ensuring that you receive the performance and reliability you expect from ACDelco. This kit is meticulously manufactured to meet all the necessary standards for fit, form, and function, so you can trust that it will work seamlessly with your vehicle. By choosing this repair kit, you can easily restore your air conditioning system’s efficiency, bringing comfort back into your ride.

What We Like
High-quality aftermarket replacement
Reliable performance and dependability
Designed for perfect fit
Easy to install
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Can you patch a leaking AC line?

Yes, it is possible to patch a leaking AC line using air conditioner repair putty. This putty is designed to seal holes up to a certain size, typically up to 5mm in diameter. It works by sealing the holes from the outside once the underlying issue causing corrosion and leaks in the system has been addressed.

2. Can an AC line be spliced?

Yes, an AC line can be spliced using rigid compression fitting type splices. These splices allow for the mending of two parts of the same line together when only a small piece of the tube needs to be replaced.

3. How do I stop my AC line from leaking?

To stop an AC line from leaking, it is recommended to turn off the AC unit and unplug it from the power source. For small leaks, you can try to repair it yourself using a sealant or tape. However, for larger leaks, it is best to call a professional for repairs. Once the leak has been fixed, it is advisable to have your AC unit serviced.

4. Can you patch a freon line?

If there is a small leak in a freon line, you can attempt to repair it using a sealant or tape. However, for larger leaks, it is recommended to seek professional repairs to ensure proper and safe resolution.

5. Is it OK to solder AC lines?

Yes, it is generally acceptable to solder AC lines, especially when using low-temperature tin/silver solders. These solders have higher strength and ductility compared to typical plumbing solders, making them suitable for most residential HVAC connections.

Editor's Notes

During our air conditioning liquid line repair kit research, we found 24 air conditioning liquid line repair kit products and shortlisted 10 quality products. We collected and analyzed 3,660 customer reviews through our big data system to write the air conditioning liquid line repair kits list. We found that most customers choose air conditioning liquid line repair kits with an average price of $31.89.

The air conditioning liquid line repair kits are available for purchase. We have researched hundreds of brands and picked the top brands of air conditioning liquid line repair kits, including Dorman, GM, SPLICE-LOK, Auto Cooling Solutions, XXXCARXXX. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.