Peterbilt 379 Battery Box Step Replacement Made Easy

Starting a Peterbilt 379 battery box step replacement is one of those weekend projects that sounds simple until you see how much road salt and grime have bonded those old bolts together. If you've been running your rig for a few hundred thousand miles, you already know that these steps take a massive amount of abuse. They're not just a place to plant your boot; they protect your batteries and keep the side of your truck looking sharp. When they start to sag, crack, or get that "chewed up" look from years of heavy work boots, it's time to swap them out. ...

May 14, 2026 · 7 min · Special Minnick