Hose Size: 1/4 or 3/8, 6mm or 8mm? What to Choose?

When it comes to choosing hoses for your suspension or cooling system, size is a crucial factor. Opting for 1/4" (approximately 6 mm) or 3/8" (approximately 10 mm) hoses may seem trivial, but each choice has its pros and cons. This article will help you make the best choice for your needs.

1/4 (6 mm) hoses

1/4" hoses, equivalent to 6mm hoses, are ideal for those looking for quick and easy installation. Their thinner diameter allows for easy handling, making them particularly suitable for tight spaces. However, they do have one drawback: their responsiveness when changing height is less efficient than 3/8" hoses. This means that if you're looking for maximum flexibility in your adjustments, these hoses may not be the best choice.

3/8 (10 mm) hoses

On the other hand, 3/8" hoses are slightly bulkier to install, but they offer superior responsiveness. This makes them particularly suitable for users who require frequent adjustments to their system's height. If you're looking for optimal performance and space isn't an issue, 3/8" hoses are often the best option.

Comparison of 6mm and 8mm Hoses

It's important to note that 6mm hoses are often used in European kits, while 1/4" hoses are more common in the US market, especially in brands like Airlift. 8mm hoses, while less common, are mostly found in specific kits, like the Airmext kit, and sit between the 1/4" and 3/8" hoses.

Tips for Installing a Hard-Line System

For those planning to install a Hard-Line system, 3/8" hoses are recommended. Most Hard-Line lines are designed to fit 10mm diameter hoses, but 8mm hoses are also available if you want a lighter alternative. Keep in mind that the choice of hose can affect the performance of your system as a whole.

Conclusion

Ultimately, choosing between 1/4, 3/8, 6 mm, or 8 mm hoses will depend on your specific needs. If you prioritize ease of installation, opt for 1/4 or 6 mm hoses. On the other hand, if performance and responsiveness are your priorities, 3/8 or 8 mm hoses will be more suitable. Take the time to assess your needs before making your choice, and don't hesitate to consult a professional for personalized advice!

Hose Size Chart

Size (inches)	Diameter (mm)
1/8	3.17 mm
1/4	6.35 mm
3/8	9.52 mm
1/2	12.7 mm
6mm	6mm
8mm	8mm
10mm	10mm