Fittings

Tube Nuts

Tube nuts are used in all types of automotive hydraulic lines, including brake fuel, oil, and transmission. To make a connection, place nut over the tubing with the threaded end pointed towards the end to be flared (repeat on the other end of tube). The tubes flare will be clamped between the nut and the flare seat when tightened. Tube Nuts come in a retail-oriented clamshell package in a quantity of 5, a bulk Ziploc bag in a quantity of 10, or a small plastic bag in a quantity of 1.

Unions

Unions are used to join two brake, fuel, or transmission lines together. This may be needed, for example, in long runs from the dual master cylinder to the rear axle. Match the thread and flare type to the lines being connected. It is important that both flare type and thread match for a leak-proof connection. Unions come in a retail-oriented clamshell package in a quantity of 1, a bulk Ziploc bag in a quantity of 10, or a small plastic bag in a quantity of 1.

Adapters

Adapters are used to allow connection of standard brake lines to the different sized ports used in master cylinders. Simply match the male side of the adapter to the port connection on the dual master cylinder and the female side of the adapter to the brake line connection to be made. Adapters come in a retail-oriented clamshell package in a quantity of 1, a bulk Ziploc bag in a quantity of 10, or a small plastic bag in a quantity of 1.

Compression Unions

Compression unions are used in low-pressure applications such as: air, oil, and water. They are generally used to connect lengths of copper, brass, and aluminum tubing. To make connection, place the nut and then the sleeve over the tubing and then insert tube into the fitting body. When tight, the wedging action of sleeve between body and nut create a leak free connection. Compression Unions come in a retail-oriented clamshell package in a quantity of 1, a bulk Ziploc bag in a quantity of 10, or a small plastic bag in a quantity of 1.

Assortments & Tools

Find the exact fitting assortment(s) you need to keep the right fittings on-hand for the jobs you perform most. No more trying to locate the fitting you need and waiting for it to arrive, meanwhile holding up the repair and costing you time and money. The handy Fitting Sizing Gauge’s help you locate what fitting you need – Metric and SAE.