
The Mastercool 72400 GM Fuel Line Flaring Kit is a handheld hydraulic press that fabricates the special flares found on most GM fuel lines and some GM truck power steering pump return lines up to 5/16 inches in size. The kit comes with a Hydra-Flare Yoke and Pump Assembly, 5/16 and 3/8 GM adapters, and die sets. The Mastercool 72485-PRC Universal Hydraulic Flaring Tool Set is another option that can fabricate 5/16 and 3/8 GM fuel line flares. This set includes a hydraulic ram and mini tube cutter.
| Characteristics | Values |
|---|---|
| Kit Number | 72400 |
| Fabricates | Special flares on most GM fuel lines and some GM truck power steering pump return lines |
| O.D. Tubing Range (Die Sets) | 5/16, 3/8 in. |
| O.D. Tubing Range (Adapters) | 5/16, 3/8 in. |
| Comes with | Hydra-Flare Yoke and Pump assembly, 5/16" and 3/8" GM adapters and die sets |
| Case | Custom molded carrying case |
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What You'll Learn
- The Mastercool 72400 GM Fuel Line Flaring Kit fabricates flares on most GM fuel lines
- The kit comes with a Hydra-Flare Yoke and Pump Assembly
- The Mastercool 72485-PRC Universal Hydraulic Flaring Tool can be used to fabricate 5/16 and 3/8 GM fuel lines
- Mastercool's Mini Tube Cutter is included in the kit and can be used for 1/8 to 5/8 O.D. tubing
- The Mastercool set can be used to make GM push to connect fuel line flares

The Mastercool 72400 GM Fuel Line Flaring Kit fabricates flares on most GM fuel lines
The Mastercool 72400 GM Fuel Line Flaring Kit is a handheld hydraulic press that fabricates the special flares found on most GM fuel lines and some GM truck power steering pump return lines up to 5/16 inches in size. The 71202 Hydra-Flare Yoke and Pump Assembly makes this procedure quick and easy. The O.D. tubing range for the die sets is 5/16 and 3/8 inches, and the same for the adapters. The kit comes in a custom-moulded carrying case.
The Mastercool 72400 Flaring Kit comes with the following:
- 71202: Hydra-Flare Yoke and Pump Assembly
- 71405: 5/16" Adapter
- 71415: 5/16" Die Set
- 71406: 3/8" Adapter
- 71416: 3/8" Die Set
- 71200-PB: Custom-moulded Carrying Case
The Mastercool 72400 GM Fuel Line Flaring Kit is designed to make fabricating flares a quick and easy process. The handheld hydraulic press is simple to use and, with the included adapters and die sets, can create flares on most GM fuel lines and some GM truck power steering pump return lines. The kit's portability is enhanced by the inclusion of a custom-moulded carrying case, making it easy to transport and store.
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The kit comes with a Hydra-Flare Yoke and Pump Assembly
The Mastercool 72400 GM Fuel Line Flaring Kit comes with a Hydra-Flare Yoke and Pump Assembly, which is used in conjunction with flaring tools from the 72XXX series. This assembly is designed to provide secure connections to components and lines. The Hydra-Flare Yoke and Pump Assembly is identified as model number 71202 and is used to fabricate the special flares found on most GM fuel lines and some GM truck power steering pump return lines up to 5/16 inches in size. This includes the O.D. tubing range for both die sets and adapters.
The 71202 Hydra-Flare Yoke and Pump Assembly is a key component of the Mastercool 72400 kit, enabling quick and easy fabrication of flares on GM fuel lines. The assembly's compatibility with the 72XXX series of flaring tools ensures a secure connection, making it a reliable choice for automotive and maintenance applications.
The Hydra-Flare Yoke and Pump Assembly is designed to work seamlessly with the other components of the Mastercool 72400 kit. This includes the GM Fuel Line Adapters and Die Sets, which come in two sizes: 5/16" and 3/8". The assembly's ability to create secure connections ensures that the flaring process is accurate and efficient, reducing the risk of leaks or improper connections.
The Mastercool 71202 Hydra-Flare Yoke and Pump Assembly is a valuable asset for anyone working with GM fuel lines and seeking a quick, effective solution for creating secure flares. Its compatibility with the 72XXX series of flaring tools and the rest of the components in the Mastercool 72400 kit makes it a versatile and reliable tool for automotive maintenance and repair.
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The Mastercool 72485-PRC Universal Hydraulic Flaring Tool can be used to fabricate 5/16 and 3/8 GM fuel lines
The Mastercool 72485-PRC Universal Hydraulic Flaring Tool can be used to create flares in GM fuel lines. It is a trusted tool used by mechanics, repair shops, and automotive professionals worldwide. The Mastercool 72485-PRC is the original hydraulic flaring tool designed by Mastercool, which has pioneered and patented the first hydraulic flaring tool, setting the industry standard for precision, reliability, and durability.
The Mastercool 72485-PRC is an upgraded version of the company's previous offerings, now including additional GM transmission cooling line dies, allowing seamless flaring for GM fuel and transmission lines, brake lines, and hydraulic tubing. It can be used to fabricate 5/16 and 3/8 GM fuel lines, as well as 3/16", 1/4", and 1/2" flares. The tool is designed to work with tubing ranging from 1/8" to 5/8" in outer diameter.
The hydraulic ram system in the 72485-PRC eliminates manual strain, making the flaring process faster, easier, and more precise than with traditional flare tools. The flaring dies are precision-formed and constructed of high-strength steel, ensuring durability and accuracy in professional applications. The included magnetic adapter holder keeps all the components securely in place, preventing loss and facilitating quick and easy changes.
The Mastercool 72485-PRC also comes with the Mastercool 70027 Mini Tube Cutter, which ensures clean, smooth tube ends for professional-grade flaring. The tool set comes in a custom-molded storage case, which keeps all the dies, adapters, and tools protected and organised, allowing for easy transportation and secure storage.
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Mastercool's Mini Tube Cutter is included in the kit and can be used for 1/8 to 5/8 O.D. tubing
The Mastercool 72400 GM Fuel Line Flaring Kit is used to fabricate the special flares found on most GM fuel lines and some GM truck power steering pump return lines. The kit includes a handheld hydraulic press, which makes the procedure quick and easy. It also comes with a Hydra-Flare Yoke and Pump Assembly, along with both 5/16" and 3/8" GM adapters and die sets. All of this comes in a custom-moulded carrying case.
Mastercool's Mini Tube Cutter (70027) is included in the kit and can be used for 1/8 to 5/8 O.D. tubing (1/8 to 1/2" Nominal). The Mini Tube Cutter is lightweight yet durable, and its carbide steel cutting wheels work with hard and soft copper, aluminium, brass, thin wall steel, and stainless steel. The rollers on the Mini Tube Cutter also feature flare cut-off grooves, which help salvage as much old tubing as possible.
The Mini Tube Cutter is a versatile tool that can be used for a range of tubing sizes, making it a useful addition to the kit. It is essential to have the right tools when fabricating flares on GM fuel lines, and the Mini Tube Cutter plays an important role in ensuring a quick and efficient process.
The cutter's ability to work with various materials, including hard and soft copper, aluminium, and stainless steel, showcases its adaptability and makes it a valuable asset when working with different types of tubing. The flare cut-off grooves on the rollers further enhance the tool's functionality, allowing for efficient tubing cuts while minimising waste.
Overall, the inclusion of the Mini Tube Cutter in the Mastercool 72400 GM Fuel Line Flaring Kit demonstrates a thoughtful design, ensuring that users have the necessary tools to work with a range of tubing sizes and materials, ultimately contributing to a seamless and effective flaring process.
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The Mastercool set can be used to make GM push to connect fuel line flares
The Mastercool 72485-PRC Universal Hydraulic Flaring Tool Set is the original hydraulic flaring tool designed by Mastercool. It delivers precision flares for brake lines, fuel lines, GM transmission cooling lines, and hydraulic tubing. The set includes the Hydra-Flare Yoke and Pump Assembly, a 45° Flaring Cone, Push Connect Adapters, and Die Sets.
The Mastercool set can be used to make GM push-to-connect fuel line flares. The 71206 die in the Mastercool set is recommended for this purpose, instead of the 71406 die. The 71406 die is for fuel lines, while the 71206 die is for quick disconnects. The Mastercool set can fabricate 5/16 and 3/8" GM fuel line flares.
The Mastercool 72400 GM Fuel Line Flaring Kit is another option that fabricates the special flares found on most GM fuel lines and some GM truck power steering pump return lines up to 5/16 inches in size. The kit comes with a Hydra-Flare Yoke and Pump Assembly, along with both 5/16" and 3/8" GM adapters and die sets.
The Mastercool set provides a quick and easy way to fabricate the special flares on GM fuel lines. The handheld hydraulic press simplifies the procedure. The kit comes in a custom-molded carrying case for convenient storage and transport.
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Frequently asked questions
The Mastercool GM Fuel Line Flaring Kit is used to fabricate the flares found on most GM fuel lines and some GM truck power steering pump return lines. The kit comes with a Hydra-Flare Yoke and Pump Assembly along with 5/16" and 3/8" GM adapters and die sets.
The Mastercool GM Fuel Line Flaring Kit uses a handheld hydraulic press to quickly and easily fabricate the flares. The kit comes in a custom-molded carrying case.
The Mastercool 72485-PRC is a universal hydraulic flaring tool that can fabricate 45-degree double and single flares for GM fuel lines, brake lines, and transmission lines. The tool is designed for professionals and includes a hydraulic ram and mini tube cutter.
To make a flare using the Mastercool GM Fuel Line Flaring Kit, you will need to use the appropriate die and adapter sets included in the kit. The specific steps may vary depending on the type of flare you are trying to create, but the kit is designed to be quick and easy to use.











































