Reese
Reese M5 20K Fifth Wheel Hitch — GM Puck (2020+)
20K lbs
Max Trailer Weight
5.0K lbs
Max Pin Weight
Our Assessment
Stupid Simple Score
DIY or Pro?
Installation
Availability
Where to Buy
Requires
OE Puck System
Expert Take
This 20K M5 is the GM puck version for 2020-and-newer Silverado/Sierra HD trucks, matching the updated factory prep. Easy lever-out removal and a solid tow make it a practical fit for late-model GM diesel owners.
About This Product
This fifth wheel hitch drops directly into factory OE pucks. No adapter needed. If your truck came with the fifth wheel prep package, you have pucks in your bed ready to accept this hitch.
Back up close and the kingpin finds its way in. The head shape does alignment work that other hitches leave to you.
Same quality construction and reliable operation. Match the base to your truck setup.
Twenty thousand pounds covers most fifth wheels. The M5 hookup advantage works every time you connect.
Compatibility
Fits These Trucks
Chevrolet
| Model | Years | Bed Length | Bed Prep | |
|---|---|---|---|---|
| Silverado 2500 | 2020 - Present | Long Bed | Puck System | All options → |
| Silverado 3500 | 2020 - Present | Long Bed | Puck System | All options → |
| Silverado 2500 | 2020 - 2026 | Short Bed | Puck System | All options → |
| Silverado 3500 | 2020 - 2026 | Short Bed | Puck System | All options → |
GMC
| Model | Years | Bed Length | Bed Prep | |
|---|---|---|---|---|
| Sierra 2500 | 2020 - Present | Long Bed | Puck System | All options → |
| Sierra 3500 | 2020 - Present | Long Bed | Puck System | All options → |
| Sierra 2500 | 2020 - 2026 | Short Bed | Puck System | All options → |
| Sierra 3500 | 2020 - 2026 | Short Bed | Puck System | All options → |
Compare Options
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Got Questions?
Frequently Asked Questions
The Reese M5 20K Fifth Wheel Hitch — GM Puck (2020+) is compatible with Chevrolet, GMC trucks from 2020 to 2026. Use the fitment table above for the complete list of compatible year, model, and bed configurations.
The Reese M5 20K Fifth Wheel Hitch — GM Puck (2020+) is rated for 20,000 lbs gross trailer weight (GTW) and 5,000 lbs vertical trailer weight (VTW — the pin weight your truck carries). Always verify your truck's tow rating before purchasing.
This hitch is considered DIY-friendly — most owners can install it with basic tools.
The Reese M5 20K Fifth Wheel Hitch — GM Puck (2020+) is available from Reese directly. Use the "Where to Buy" buttons above for current pricing and availability.
The Reese M5 20K Fifth Wheel Hitch — GM Puck (2020+) has a fixed head — it does not slide. This is the most common setup and works great for standard-length beds. If you have a short bed, verify clearance before purchasing.
A 25K Companion built for factory puck systems, giving you the same cushioned, chucking-free tow as the rest of the line. Lever-out removal means your truck bed goes back to being a truck bed in seconds.