Product details
Curt 45796 18-inch trailer hitch extension for 2-inch receiver, 3,500 lb, black
Need a bit more space between your bumper and a bike rack, cargo carrier or trailer? The Curt 45796 pushes your receiver out by 18 inches so whatever you’ve got on the back sits where it should — no rubbing, no scrapes and far less faffing about when you’re loading or unloading.
Built for everyday towing
This extension is made from high‑strength steel and finished in a gloss black powder coat that will take rain, road salt and a fair bit of sun without moaning. It’s rated at 3,500 lb gross trailer weight and 350 lb tongue weight, so it’ll cover plenty of light towing and the common hitch-mounted kit. Do bear in mind: it gives you clearance, it doesn’t raise your vehicle’s or hitch’s original towing limits — always check your vehicle and hitch ratings before you tow.
Quick to fit and straightforward to use
Fitting is dead simple — slide the 2in x 2in shank into your receiver and pin it up with a hitch pin (sold separately). No special tools, no faff, and it’s easy enough to remove when you’re done. The extension is 18 inches (60.96 cm) long and weighs about 8.84 kg, so it’s solid but still manageable for one person to handle.
- Ideal for bike racks and cargo carriers that need extra clearance from bumpers or spare wheels.
- Handy when a trailer coupler and ball mount need a bit more room for proper alignment.
- Helps protect your vehicle from scrapes and dents caused by nearby accessories.
A few practical points — the hitch pin and clip aren’t included, so choose one rated for towing; using the correct locking hardware is important. Also be aware that adding an extension changes how the load behaves and can slightly affect handling, so secure loads properly and check all connections before you set off. If you’re wondering whether extenders are suitable for heavier trailers, don’t take chances — double‑check your towing gear and local regulations first.
Technical details and dimensions
- Model: CURT 45796
- Length: 18 inches (60.96 cm)
- Shank size: 2in x 2in (standard receiver)
- Gross trailer weight: 3,500 lb (approx. 1.6 tonne)
- Tongue weight: 350 lb (approx. 159 kg)
- Finish: Gloss black powder coat
- Item weight: 8.84 kg (approx. 19.5 lb)
All in all, the Curt hitch extension is a sensible, no‑nonsense solution when an accessory needs a bit more room. It’s sturdy, simple to use and a proper help when everyday practicality matters — especially if that spare wheel or bumper keeps getting in the way of the kit you rely on.




