Hayes Brake 81742B Proportional Brake Controller

Usually ships the same or next business day. In stock at our CA, GA, KS, MI, PA, TX, WA warehouses.
Calculated at Checkout
Stock Update:
08/09/2022 04:00:18 AM PST

Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 2 - 3 and pay only $82.52 each 82.52
Buy 4 or above and pay only $80.99 each 80.99
Stock Update:
08/09/2022 04:00:18 AM PST
Frequently bought together:


This item is brand-new, factory sealed.

Hayes 81742B Black Brake Controller (Energize III+)
  • 3 axis accelerometer
  • Recommended for medium and heavy duty trailers with 2, 4, and 6 electric trailer brakes
  • Provides automatic and manual trailer braking
  • 100 percent braking power in manual mode
  • Exclusive Hayes Quik-Connect installation
  • Manufacturer: ?Hayes
  • Brand: ?Hayes
  • Model: ?81742B
  • Item Weight: ?9.6 ounces
  • Product Dimensions: ?4.3 x 1.8 x 8 inches
  • Country of Origin: ?USA
  • Item model number: ?81742B
  • Exterior: ?Black
  • Manufacturer Part Number: ?81742B

Proportional electronic trailer brake controller; Featuring the exclusive Hayes Quik-Connect installation that you have come to rely on. Easy to install mounting bracket and instructions included with VHB Tape for peel and stick installation.

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Hayes Brake 81742B Proportional Brake Controller