Description
Description
The Buyers Products 18x18x36-inch White Steel Underbody Truck Box offers a durable and secure storage solution for truck equipment. Constructed from 14-gauge carbon steel with a white powder-coated finish, this underbody box is designed to withstand harsh environments while providing corrosion resistance. Its recessed drop door and continuous hidden hinge enhance security and protect contents from weather and debris.
Features
- Durable 14-gauge carbon steel construction with white powder-coated finish for corrosion resistance
- Recessed drop door with continuous hidden hinge for enhanced security and weather protection
- Locking stainless steel paddle latch with 3-point compression to deter theft and ensure a tight seal
- Can be mounted on flat surfaces or under the truck bed (under-bed installation requires separate mounting brackets)
- Equipped with aircraft-grade cables to prevent damage during use
- Replaceable gasket sealing system to keep out water, dirt, and grime
- Made in the USA
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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