Can Curt Adapter Rails # C16023 Work With ISR Fifth Wheel Hitch On 2017 GMC 3500
Updated 04/05/2017 | Published 04/04/2017 >
Question:
I have a 2017 GMC 3500 long bed. Any reason I cant use the Curt C16023 to be able to install my non-sliding isr fifth wheel hitch? Thank you,
asked by: Leo T
Expert Reply:
The Curt Adapter Rails, part # C16023 will fit the pucks in the bed of your 2017 GMC 3500, but have not been tested with an ISR fifth wheel hitch.
The center-to-center distance between the slots for the fifth wheel hitch legs is 20-1/2 inches. The problem with using hitches other than the confirmed Curt hitches is the height of the angle on the adapter and how close it is to the fifth wheel leg hole. The angle measures 2-1/4 x 2-1/4 inches. My contact at Curt was not able to tell me how close the angle was to the slot.
The hitches that have been confirmed to work with this adapter are part # 16516, # C16521, # C16541, or # C16546.
Product Page this Question was Asked From
Adapter Rails for Curt 5th Wheel Hitch w/ Slider - Chevy/GMC Towing Prep Package
- Accessories and Parts
- 5th Wheel Hitch Rails
- Adapters
- Rail Adapter
- Custom
- CURT
more information >
Featured Help Information
Instructions
Continue Researching
- Q&A: Will Airbags With A 5,000lb Capacity Increase My Towing Capacity?
- Q&A: Where is Height Range of Curt PowerRide 5th Wheel Hitch Measured From
- Q&A: What Are Differences Between Red Label and Standard Duty Firestone Ride Rite Kits
- Q&A: Recommended Air Compressor for Firestone Red Label Air Bags
- Q&A: Progressive Dynamics Converter Recommendation for 2 100 Amp Batteries
- Q&A: Best 5th Wheel Rail Adapter to Use a PullRite Hitch in a 2025 Chevy Silverado 2500 Puck System
- Q&A: Adapter Plate for Curt Q20 / R20 Fifth Wheel Hitch in 2020 Chevy Silverado HD 3500
- Article: Trailer Wiring Diagrams
- Article: Breakaway Kit Installation for Single and Dual Brake Axle Trailers
- Article: Gooseneck to 5th Wheel Adapters

