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The brake line size for the 2005 Chevy Silverado is quite standard. The rear fitting is approximately M11-1.0, which is equivalent to 6.9/16 X25.4. This is very similar to the standard 1/4" brake line fittings, which are equal to 7/16 X24. The front fitting is M12-1.25, equivalent to 7.6/16 X20.3 when compared to 1/2 X20. Brake line fittings are also referred to as tube nuts or flare fittings. There are two main sizes of these fittings: the smaller 3/16"/4.75mm brake line called CNF-3 and the larger 1/4" known as CNF-4. These fittings are crucial for your car's overall brake performance, so it's important to always use the original brake line fittings to prevent leaks from replacements and maintain optimal brake performance.
The 2005 Chevrolet Silverado is equipped with a 3/16-inch brake line.
My rear brake line on a 2005 Chevy Avalanche is split and needs replacing. How much line is needed for both sides of the rear wheels?