Wabco 8939007600 Swivel Fitting

Description

This Wabco Swivel Fitting, MPN 8939007600, is a critical component within air brake systems, designed to facilitate fluid transfer while allowing for rotational movement. It's specifically used with nylon pipe with a 6 x 1 mm dimension. This fitting boasts an OE specification, ensuring compatibility and performance. Its dimensions are 35 x 34 x 20 mm, with lengths L1, L2, L3, L4, and L5 measuring 32 mm, 9.0 mm, 23 mm, 16 mm, and 8 mm, respectively. The fitting accommodates tube diameters of 3 mm and 4 mm and features a M12 x 1.5 thread size, alongside a wrench size of 17.0 mm. Its robust construction and precise engineering provide a reliable and durable solution for air brake applications.

Key Features & Benefits

These things basically let the air line move and twist a little without getting kinks or stressing the connections. Think of it like your wrist – it allows a range of motion without breaking the connection. They have a rotating connection point, so the line can flex and move with the truck, especially if it’s going over uneven ground or the chassis is twisting. They'll often have a threaded end to connect to the air line and another to connect to the brake chamber or another component. In your air brake system, these usually connect the flexible air hoses to the brake chambers on the axles. Because the axles are moving up and down and the frame is flexing, you need something that allows that movement without putting constant strain on the air lines and connections. Without one, the air line could rub, get damaged, or eventually break, leading to a loss of braking power on that wheel.

Symptoms, Risks & Replacements

It's a safety thing, honestly. If an air line breaks, you lose air pressure to that brake, and that's not good. A swivel fitting helps prevent that break by absorbing the movement and stress. You’ll notice if one fails, usually because you’ll have an air leak – you might hear a hissing sound, or the brakes won’t hold properly. They aren't super expensive parts, and replacing one is a lot easier than dealing with a brake failure. You can find them pretty readily online, places like Fixparts Online carry a good range of sizes and types. It's something you really want to keep in good shape for your own safety and to avoid bigger problems down the road.

Warranty Information

Wabco Swivel Fitting (MPN 8939007600) comes with a 1-year warranty.