Description
The Dummy Coupling 9412 is a heavy-duty protective coupling used to seal unused air brake gladhands on trailers. When a trailer is not connected to a tractor, this dummy coupling plugs the air line to prevent dirt, dust, moisture, and road debris from entering the brake system.
Built tough for daily fleet use, the 9412 dummy coupling is designed to withstand constant exposure to the elements and vibration. Leaving air lines open can lead to contamination of the brake system, causing valve malfunctions, air leaks, and potential brake failure.
This direct replacement dummy coupling is a simple but essential safety item for maintaining clean and reliable air brake systems on your trailers.
Key Features & Benefits:
- Heavy-duty Dummy Coupling 9412.
- Seals unused air brake gladhands.
- Prevents dirt, moisture, and debris contamination.
- Helps maintain clean and reliable brake systems.
- Durable construction for long service life.
- Easy to install and remove.
- Essential for air brake system protection.
Using dummy couplings is an important part of proper trailer maintenance and brake system care.
At Ace Welding & Trailer Co., your trusted family-owned trailer repair and parts business in San Antonio, we stock quality trailer air brake components including the Dummy Coupling 9412, along with slack adjusters, circuit breakers, and more. Local fleets, towing companies, construction businesses, and ranch owners throughout San Antonio and South Texas count on us for high-quality trailer parts San Antonio. Order your Dummy Coupling 9412 online at aceweldingandtrailer.com or stop by our San Antonio shop for immediate pickup and expert advice. Keep your air brake systems protected with dependable parts from a local Texas business you can count on!
9412 DUMMY COUPLING 9412
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