| Also known as | F11573 |
| Diagram | Fig. 21 — PANELS AND TWINSEAT · ref 6 |
| Subsystem | bodywork |
| Listed in parts books | 1970, 1974 |
Twinseat
The dual seat assembly (twinseat) listed for Triumph twins in the 1970-1974 catalog span, also known as F11573.
83-1573 is the twinseat listed under the Panels and Twinseat figures in the parts books, also known by its earlier catalog form F11573. It's the full dual seat assembly that sits over the rear frame section, the part a rider actually sits on and the largest single piece of bodywork on the bike.
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Catalog appearances put this seat in the 1970 to 1974 span, so it's worth checking the panel figure for your machine against what's currently on the bike before ordering, since seat shape and mounting points changed across those model runs. If you're working from an older parts book you may see this listed as F11573 rather than the current 83-1573 number.
Give us a call if you're not sure which twinseat matches your frame and hinge setup. Seat pans, covers, and hinge brackets all need to line up, so it pays to confirm before you order.
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