3-7/8" Diameter Train Horn Diaphragm - United Pacific 46127-5

When your train horn starts to lose its classic thunder, the 3-7/8" diameter train horn diaphragm from United Pacific Industries, part number 46127-5, is your go-to fix. Designed for seamless replacement, this diaphragm helps restore your horn's powerful sound so you can keep every signal loud, proud, and unmistakably clear. Whether you're keeping your rig in top shape or refreshing a vintage installation, this United Pacific Industries component fits right in and gets you back on track. Installation is straightforward, letting you swap out the old and bring back that signature train horn blast in no time. Don't settle for a weak honk—trust United Pacific Industries and the 3-7/8" diameter train horn diaphragm to keep your horn's voice strong and true, mile after mile. Reliable parts make for reliable signaling, and this diaphragm does the job with confidence.