puxyblue RV bumper hitch receiver adapter for 4x4 bumpers to 2in receiver — 3,500 lb capacity, no-weld install

puxyblue's RV bumper hitch receiver adapter converts a 4" x 4" RV rear bumper into a 2" receiver that supports up to 3,500 lbs gross trailer weight and 350 lbs tongue weight.

This heavy-duty adapter gives your RV instant towing and accessory capability without cutting or welding. Built from high-strength steel with a weather-resistant black powder coat, the unit slips into standard 4" x 4" square bumpers and provides a reinforced 2" x 2" receiver opening compatible with most common 2" accessories like bike racks, cargo carriers, and small trailers. It ships with the required 5/8" hitch pin and spring pin and is backed by a two-year warranty.

How does the adapter attach to a 4" x 4" RV bumper?

Installation is straightforward and designed for minimal tools. The adapter aligns with existing bumper mounting holes and secures with bolts; it can be mounted in the standard or inverted position depending on your clearance needs.

• Fits 4" high x 4" deep square steel bumpers
• Uses factory or provided holes—no welding required
• Includes 5/8" hitch pin and spring pin for quick locking
• Can be installed using a spanner and common hand tools

What loads and accessories can this receiver handle?

The puxyblue adapter is engineered for everyday towing and accessory use on RVs. It is rated for a 3,500 lb gross trailer weight and 350 lb tongue weight, making it suitable for bike racks, cargo baskets, and many light trailers within those limits.

• 3,500 lb gross trailer weight (GTW) rating
• 350 lb maximum tongue weight (TW)
• Compatible with standard 2" hitch-mounted accessories
• Not intended for commercial heavy towing beyond ratings

What materials and protections ensure long-term durability?

This adapter is constructed from high-strength steel and finished with a black powder coat to resist corrosion and abrasion. The coating, coupled with robust steel fabrication, helps protect the receiver from weather, road debris, and UV exposure for reliable seasonal use.

• High-strength steel body for structural rigidity
• Black powder coat finish resists rust and chipping
• Sealed fit minimizes moisture intrusion into bumper cavity
• Includes hardware rated for towing loads listed

Who this is for: RV owners who want an economical, no-weld solution to add a standard 2" receiver to a 4" x 4" rear bumper. Ideal for seasonal travelers who need bike or cargo racks, boondockers requiring extra mounting points, or owners who want a removable receiver without permanent bumper modification. If you are uncertain about fit or load requirements, contact puxyblue customer support before purchase to confirm compatibility and safe use.