Roadmaster 88357 BrakeMaster Custom Seat Adapter for Flat Towing

The Roadmaster 88357 BrakeMaster Custom Seat Adapter provides a vehicle-specific mounting location for the Roadmaster BrakeMaster supplemental braking system. Designed to integrate cleanly into the towed vehicle's interior, this seat adapter bracket bolts directly to the existing front seat mounting points — no drilling or permanent modification required.

Key Features:

• Provides a dedicated, vehicle-specific mounting point for the BrakeMaster air cylinder
• Designed to contour to the floor of the vehicle for a precise, custom fit
• Uses existing seat track mounting points to simplify installation
• Remains hidden beneath the seat when the BrakeMaster system is not in use
• Allows the BrakeMaster system to be removed quickly for easy transition from towing to driving
• Includes all necessary mounting hardware
• Made in the USA by Roadmaster Inc.

The 88357 seat adapter is an essential accessory for RV owners using the Roadmaster BrakeMaster supplemental braking system for flat towing. By securing the braking system's arm in proper alignment with the brake pedal, the adapter ensures safe, reliable proportional braking performance. Also cross-referenced as Roadmaster part RM98FR.