Replacement Battery Box Step for Peterbilt 379, 388, 389 – 29.5 Aluminum Design. Replacement Battery Box Step for Peterbilt. Perfect Fit for Models: 379, 388, 389. Quality aluminum design ensures durability and reliability in various weather conditions. Aluminum embossed sheet for added strength and visual appeal. Measurements: 29.5″ Length, 7″ Width, with a mounting arm of 14.4 Length. Easy installation with the battery box for a seamless look. Designed specifically as a replacement part, ensuring perfect compatibility with your Peterbilt truck. Resilient aluminum construction withstands harsh weather, guaranteeing a long-lasting performance. Embossed design enhances style while providing a robust step for easy access to your vehicle. Quick and straightforward installation saving you time and effort. Why Choose Our Replacement Battery Box Step? Elevate the functionality and aesthetics of your Peterbilt truck with our Replacement Battery Box Step. Crafted from high-quality aluminum, this dependable step not only complements your 379, 388, and 389 models but also endures the rigors of the road and nature alike. The sleek embossed design adds a touch of sophistication while ensuring safety and stability for every step. Don’t compromise on quality and reliability. Choose the best for your truck and invest in our durable Replacement Battery Box Step. Alternative Carriers – We may use alternative carriers e. To ensure your package arrives safely and on time. Your feedback is extremely important to us. We strive to provide the best products and customer service possible. We are committed to resolving any problems and ensuring your satisfaction. Unit Quantity: 6.14 pounds.