This CURT 70146 Tow Bar Base Plate offers a custom, vehicle-specific fit. It integrates with the vehicle frame, securely bolting into place and providing a solid attachment point for dinghy towing.
This base plate fits select model years of the GMC Yukon, GMC Yukon XL, Chevrolet Suburban, and Chevrolet Tahoe Z71. The brackets are hidden to help maintain an OEM look and feel on the vehicle.
Each CURT base plate is constructed from welded steel and physically tested for safe towing. It’s finished with a unique, co-cured finish for unparalleled rust resistance. This custom base plate comes with two attachment tabs for connecting the tow bar, as well as safety cables for securing to the vehicle frame.
• Provides a solid connection for dinghy towing your vehicle with tow bars
• Twist-lock tabs for easy installation and removal as needed
• Spreads towing forces equally for reduced stress on the vehicle frame
• Physically tested to gross vehicle weight rating (GVWR)
• Engineered with a vehicle-specific design for a custom fit
• Concealed design for OE look and seamless integration with the vehicle
• Precisely welded for superior strength and fit
• Protected by a durable high-gloss black powder-coat finish
• Co-cured in a rust-resistant liquid A-coat, inside and out
• Includes base plate, safety cables, and installation hardware (tow bar sold separately)
NOTES: Not compatible with universal tow bar.
Compatible Vehicles
2019-2021 Chevrolet Silverado 1500
2022 Chevrolet Silverado 1500 LTD
2021-2024 Chevrolet Tahoe Z71
2021-2024 Chevrolet Suburban Z71
2021-2024 GMC Yukon AT4
2021-2024 GMC Yukon XL AT4
Before You Order
Verify the exact model and year because this part covers different Silverado, Tahoe, Suburban and Yukon configurations and ranges; check full fitment before buying.
Frequently Asked Questions
What vehicle fitments are listed?
The source lists 2019–2021 Silverado 1500, 2022 Silverado 1500 LTD, and 2021–2024 Tahoe Z71, Suburban Z71, Yukon AT4 and Yukon XL AT4.








