Heavy Duty Polycore Cargo Side Door – Rust‑Resistant

Engineered with a fully welded black aluminum frame and reinforced .080 Polycore panels, this cargo side door delivers next‑generation protection against dents, rust, and everyday road wear. The sleek Polar White finish adds a professional look while the robust construction absorbs impacts without warping, ensuring long‑lasting durability for any utility trailer.

Security is built in with a lockable handle, RV flush lock, deadbolt, and two keys, providing reliable protection on every trip. The door’s all‑weather design offers waterproof, sound‑proof performance, keeping the interior dry and quiet regardless of rain, wind, or debris. Custom‑made to your exact dimensions, it features a ½‑inch clearance, adjustable hinges, and a pre‑installed lock system for a fast, precise installation. Proudly crafted in the USA, this door reflects over 20 years of American manufacturing expertise.