Drag Specialties Rear Brake Master Cylinder — 19.1 mm (3/4"), Chrome, Polished
Fits: Softail 1988-1999
Complete rear master cylinder assembly. Fully assembled for easy installation.
Bank transfer
Fits: Softail 1988-1999
Complete rear master cylinder assembly. Fully assembled for easy installation.
The Rear Brake Master Cylinder is a complete rear master cylinder assembly designed to replace worn or damaged units.
Fully assembled for easy installation, it arrives ready to mount and includes all internal components for reliable operation. Ideal for riders who want a straightforward swap and dependable braking performance.
| Mounting Position | Rear |
|---|
| Model | Years |
|---|---|
| Harley Davidson | |
| FXST 1340 (Softail) | 1988–1990, 1999 |
| FXSTB 1340 (Softail Night Train) | 1998–1999 |
| FXSTC 1340 (Softail Custom) | 1988–1998 |
| FXSTS 1340 (Softail Springer) | 1988–1999 |
| FXSTSB 1340 (Bad Boy) | 1995–1997 |
| Manufacturer part number | 83117 |
|---|---|
| OEM cross-references | 42446-87B |
This product fits the following vehicles. Use the filters below to narrow down the list if needed.
| Manufacturer | Model | Family | Year | Notes |
|---|---|---|---|---|
| Harley Davidson | Softail | Softail | 1988 | |
| Harley Davidson | Softail | Softail | 1989 | |
| Harley Davidson | Softail | Softail | 1990 | |
| Harley Davidson | Softail | Softail | 1999 | |
| Harley Davidson | Softail Night Train | Softail | 1998 | |
| Harley Davidson | Softail Night Train | Softail | 1999 | |
| Harley Davidson | Softail Custom | Softail | 1988 | |
| Harley Davidson | Softail Custom | Softail | 1989 | |
| Harley Davidson | Softail Custom | Softail | 1990 | |
| Harley Davidson | Softail Custom | Softail | 1991 | |
| Harley Davidson | Softail Custom | Softail | 1992 | |
| Harley Davidson | Softail Custom | Softail | 1993 | |
| Harley Davidson | Softail Custom | Softail | 1994 | |
| Harley Davidson | Softail Custom | Softail | 1995 | |
| Harley Davidson | Softail Custom | Softail | 1996 | |
| Harley Davidson | Softail Custom | Softail | 1997 | |
| Harley Davidson | Softail Custom | Softail | 1998 | |
| Harley Davidson | Softail Springer | Softail | 1988 | |
| Harley Davidson | Softail Springer | Softail | 1989 | |
| Harley Davidson | Softail Springer | Softail | 1990 | |
| Harley Davidson | Softail Springer | Softail | 1991 | |
| Harley Davidson | Softail Springer | Softail | 1992 | |
| Harley Davidson | Softail Springer | Softail | 1993 | |
| Harley Davidson | Softail Springer | Softail | 1994 | |
| Harley Davidson | Softail Springer | Softail | 1995 | |
| Harley Davidson | Softail Springer | Softail | 1996 | |
| Harley Davidson | Softail Springer | Softail | 1997 | |
| Harley Davidson | Softail Springer | Softail | 1998 | |
| Harley Davidson | Softail Springer | Softail | 1999 | |
| Harley Davidson | Bad Boy | Softail | 1995 | |
| Harley Davidson | Bad Boy | Softail | 1996 | |
| Harley Davidson | Bad Boy | Softail | 1997 |
We use necessary cookies to make the shop work. With your permission we would also use analytics (Google Analytics 4) to understand how the shop is used. Rejecting is as easy as accepting, and you can change your choice at any time. Cookie Policy.
Choose what we may use. Nothing is switched on unless you switch it on. Your choice is stored for 12 months and you can change or withdraw it at any time from the "Cookie settings" link at the bottom of every page. Cookie Policy.
Needed for the shop to work: your session, shopping cart, login, security and remembering this choice. They cannot be switched off.
Help us understand how visitors use the shop: pages viewed, device and approximate location. Visits are measured with Google Analytics 4 through our own Cloudflare proxy. Google sets no cookies of its own (_ga); Cloudflare keeps two first-party measurement cookies on our domain, which are deleted if you withdraw. It also covers a coarse record of the channel that brought your visit or order.
The shop does not use marketing or advertising cookies at the moment. If that ever changes, we will ask you again before using any.