Brake Bros has been sold to US private group Bain Capital for around £1.4bn
Bain beat competition from a consortium of Blackstone and Aurigo, as well as private equity groups Cinven and CVC.
The deal makes a profitable exit for Brakes'current equity owner Clayton Dubilier & Rice, which bought the company for $343m five years ago with the founding family's backing and took out a debt repayment of about £275m last year.
CD&R invested £175m of equity in the original deal. Brakes' turnover has grown 14% and its profits by nearly 70% over the past five years.