DIY or Pro?
Installation
Availability
Where to Buy
About This Product
The Demco 6194 is a rail adapter for Ford F-150 trucks with the factory OE puck system. It converts your F-150 pucks to industry-standard rails so you can mount a fifth wheel hitch with tabbed feet. Rated at 21,000 pounds gross trailer weight.
The F-150 with factory fifth wheel prep gives you pucks in the bed but leaves you hunting for compatible hitches. The 6194 solves that by providing standard rails. Once installed, you can use the same fifth wheel hitches designed for Super Duty trucks.
Installation happens from the truck bed using your existing puck locations. No bed drilling. The adapter locks securely into the factory pucks and provides proper rail spacing for virtually any standard fifth wheel hitch.
Demco has been making towing equipment in the USA for nearly 50 years. This adapter features heavy-duty steel construction with a powder coat finish that stands up to weather and regular use. A five-year warranty backs the product.
Compatibility
Fits These Trucks
Chevrolet
| Model | Years | Bed Length | Bed Prep | |
|---|---|---|---|---|
| Silverado 2500 | 2016 - 2019 | Short Bed | Puck System | All options → |
| Silverado 3500 | 2016 - 2019 | Short Bed | Puck System | All options → |
GMC
| Model | Years | Bed Length | Bed Prep | |
|---|---|---|---|---|
| Sierra 2500 | 2016 - 2019 | Short Bed | Puck System | All options → |
| Sierra 3500 | 2016 - 2019 | Short Bed | Puck System | All options → |
Compare Options
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Got Questions?
Frequently Asked Questions
The 21K ISR Adapter is compatible with Chevrolet, GMC trucks from 2016 to 2019. Use the fitment table above for the complete list of compatible year, model, and bed configurations.
This hitch is considered DIY-friendly — most owners can install it with basic tools.
The 21K ISR Adapter is available from Amazon, Demco directly. Use the "Where to Buy" buttons above for current pricing and availability.