Kit, Expansion Tank Cover
T2101305 · Genuine Triumph
Triumph has stock
Listed for these motorcycles
Speed Twin 900
2021–2025
Street Twin
2016–2022
Bonneville T100
2008–2026
Bonneville T120
2016–2026
Bonneville T120 Black
2020–2026
Listed in Triumph’s parts catalogue for these motorcycles. Fitment is Triumph’s data, not a guarantee from us — add your motorcycle above and we check it against your frame number where Triumph splits the part.
Where it sits on the bike
Cooling System
Street Twin & Speed Twin 900 · Cooling System · callout 25
View diagram →
Cooling System
Bonneville · Cooling System · callout 25
View diagram →
Cooling System
Bonneville · Cooling System · callout 25
View diagram →
Prices and availability are a dated snapshot, not a reservation — Triumph supply is read from Triumph’s catalogue and our shelf count is read from our own system. Both move. Triumph supply checked Aug 5, 2026 · Brea shelf Aug 18, 2026. Shipping and tax are calculated at checkout.
Genuine Triumph parts from Southern California Motorcycles, 515 W Lambert Rd, Brea, CA 92821 · 714-256-6700