CURT 45405 Trailer Hitch Adapter Sleeve – 2-1/2" to 2" Receiver Reducer
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The CURT 45405 2‑1/2" to 2" Trailer Hitch Adapter Sleeve allows you to easily adapt a 2-1/2 inch hitch receiver to accept standard 2 inch hitch accessories. This reducer sleeve is the perfect solution for truck owners who want to use common towing accessories such as ball mounts, cargo carriers, bike racks, or hitch steps with a larger heavy-duty receiver.
Constructed from high-strength steel, this adapter sleeve provides dependable towing support while maintaining a secure fit inside the receiver. The durable black powder-coat finish helps protect against rust, road grime, and UV exposure for long-lasting performance.
Installation is quick and simple — just slide the sleeve into your 2-1/2" receiver hitch, insert your 2" shank accessory, and secure everything with a standard hitch pin (sold separately). No special tools or modifications are required.
Designed for heavy-duty towing setups on pickup trucks and SUVs, this adapter makes your towing system more versatile by allowing you to use widely available 2" hitch accessories with larger receiver hitches.
Key Features
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Receiver Size Adapter – Converts 2-1/2" hitch receiver to 2" accessory shank
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Universal Compatibility – Works with standard 2" ball mounts, carriers, racks, and towing accessories
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Heavy-Duty Steel Construction – Built for reliable towing performance
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Corrosion-Resistant Finish – Durable black powder coat protects against rust and weather
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Quick Installation – Slides into receiver and secures with hitch pin (sold separately)
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Industry Standard Fit – Designed for all standard 2-1/2" receiver hitches
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Limited Lifetime Warranty – Includes one-year coverage on finish and parts
Specifications
| Specification | Details |
|---|---|
| Product Name | Trailer Hitch Adapter Sleeve |
| Brand | CURT Manufacturing |
| Model Number | 45405 |
| Receiver Size | 2-1/2 in |
| Adapter Size | 2 in |
| Material | High-Strength Steel |
| Finish | Black Powder Coat |
| Installation | Hitch Pin (not included) |
| Application | Hitch Receiver Reducer |
| Warranty | Limited Lifetime |
Typical Applications
This hitch adapter sleeve is commonly used on:
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Heavy-duty pickup trucks
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Work trucks with 2-1/2" receivers
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Cargo carriers and bike racks
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Ball mounts and towing accessories
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Utility trailer towing setups
It allows owners to use standard 2" towing accessories without replacing the receiver hitch.
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