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

Engine Covers

America · Crankcase, Engine Covers, Lubrication System · callout 21

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Engine Covers

America · Crankcase, Engine Covers, Lubrication System · callout 19

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Engine Covers

Thruxton · Crankcase, Engine Covers, Lubrication System · callout 20 · oem-thruxton

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Engine Covers

Thruxton · Crankcase, Engine Covers, Lubrication System · callout 20 · oem-thruxton

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Engine Covers - Bonneville

Bonneville · Crankcase, Engine Covers, Lubrication System · callout 20

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Engine Covers - Bonneville T100

Bonneville · Crankcase, Engine Covers, Lubrication System · callout 20

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Engine Covers

Bonneville · Crankcase, Engine Covers, Lubrication System · callout 18 · oem-bonneville

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Engine Covers

Bonneville · Crankcase, Engine Covers, Lubrication System · callout 18 · oem-bonneville

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Engine Covers

Bonneville · Crankcase, Engine Covers, Lubrication System · callout 18 · oem-bonneville

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Mudguards

Rocket III · Frame, Footrests, Engine Mountings & Stands · callout 19

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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 Oct 15, 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