| Also known as | F13133 |
| Diagram | Fig. 23 — GAS TANK AND TWINSEAT · ref 5 |
| Subsystem | fuel |
| Listed in parts books | 1971 |
| Also fits (as replacement) | 1969–1970 · for 68-8012 |
TUBE,TANK MOUNT 71-72 OIF (2 7/8 long)
A 2 7/8 inch tank mount tube/spacer for 1971-72 OIF Triumph twins, part number 83-3133.
This is a tank mount tube for the OIF (Oil-In-Frame) Triumph twins, cataloged for 1971-72 and measuring 2 7/8 inches long. It sits under the fuel tank at the mounting point, acting as a spacer/sleeve that the center mounting bolt passes through so the tank seats correctly without crushing the rubber or the tank panel when the bolt is tightened down.
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The part appears in the gas tank and twinseat section of the parts book, which is where this kind of hardware always shows up - it's a small piece but it does real work keeping the tank from rattling or binding against the frame mount. Our records show this number superseded an earlier factory part, 68-8012, so if your parts book or an old invoice lists that number, it's the same physical piece under its prior designation.
It also shows up under the alias F13133 in some listings, which is just another catalog form of the same tube. If you're not sure your bike is the OIF-era covered here, give us a call and we'll confirm before you order - tank mounting hardware changed around a few times on these bikes and we'd rather get it right than have you sending it back.
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