Description
Description
Buyers Products Heavy Duty Diamond Tread Aluminum Step Box combines durable construction with practical storage for medium to heavy-duty trucks. Designed to fit all major semi-truck brands-including Peterbilt(R), Kenworth(R), International(R), Freightliner(R), Western-Star(R), Volvo(R), and Mack(R)-this step box offers a versatile solution for Class 8 trucks and other large vehicles. Its rugged design and weather-resistant features ensure long-lasting protection for tools and equipment.
Features
- Constructed with an extremely durable 0.125-inch thick smooth aluminum body and a 0.100-inch diamond tread aluminum door for enhanced strength and corrosion resistance
- Locking compression latch secures contents, providing protection against weather elements and theft
- Replaceable grip strut steps deliver superior traction in wet or slippery conditions and are easily swapped when worn
- Built-in rain gutter combined with an automotive-style bulb seal effectively shields stored gear from moisture and grime
- Corrosion-resistant stainless steel heavy-duty hinge and hardware ensure long-term durability and smooth operation
- Easy installation on tractor trailer frame rails; for boxes wider than 18 inches, Buyers recommends using 1701015 Steel Mounting Brackets to prevent stress cracks
- Universal fit compatible with Peterbilt(R), Kenworth(R), International(R), Freightliner(R), Western-Star(R), Volvo(R), and Mack(R) trucks
- Made in the USA, guaranteeing quality craftsmanship and materials
Available in multiple sizes, this step box efficiently combines functional storage with reliable step access, making it an ideal accessory for a variety of heavy-duty trucking applications.
Product Specifications
Product Specifications
Vehicle Fitment
Vehicle Fitment
Install Details
Install Details

PRODUCT VIDEOS
PRODUCT VIDEOS
Where Here to Help!
Have a question or having trouble making a decision about what product is best for your vehicle and needs? Give our experienced customer service a call!
What shipping methods are available?
Shipping methods vary depending on the item. Many heavy or oversized products ship via LTL freight to help prevent damage in transit, while smaller items ship parcel; and some parcel orders can even be upgraded to freight for added protection. Many products also ship free, and your total shipping cost will always be shown at checkout before payment.
What payment methods do you accept?
We accept all major credit cards along with Apple Pay, Google Pay, PayPal, Shop Pay, and Shop Pay Installments. Government agencies, municipalities, and large fleet customers can also pay via purchase order with approved terms—just contact our customer service team before placing your order.
How long will delivery take?
Most orders ship within 1 business day from one of our warehouse locations. Typical transit times are 1-3 business days for parcel shipments and 3-5 business days for LTL freight, though delivery times may vary based on your location and carrier conditions. If an item has an extended lead time, it will be clearly noted on the product page.
What is your return policy?
Most unused items can be returned within 60 days of purchase. Every order is also backed by our Upfit Shield Guarantee for added peace of mind. For full details, including return eligibility and warranty coverage, please review our Return Policy page.
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