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

Ignition Switch & Lockset

Thruxton · Electrical System · callout 18

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Ignition Switch & Lockset

Thruxton · Electrical System · callout 18

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Ignition Switch & Lockset

Street Cup · Electrical System · callout 18

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Ignition Switch & Lockset > 818609

Street Twin & Speed Twin 900 · Electrical System · callout 18

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Ignition Switch & Lockset - 818610 >

Street Twin & Speed Twin 900 · Electrical System · callout 18

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Ignition Switch & Lockset

Thruxton TFC · Electrical System · callout 18

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Ignition Switch & Lockset

Speed Twin 1200 · Electrical System · callout 18

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Ignition Switch & Lockset

Bonneville · Electrical System · callout 18

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Ignition Switch & Lockset

Bonneville · Electrical System · callout 18

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Ignition Switch & Lockset

Bonneville · Electrical System · callout 18

View diagram →

Ignition Switch & Lockset

Bonneville · Electrical System · callout 18

View diagram →

Ignition Switch & Lockset

Street Scrambler & Scrambler 900 · Electrical System · callout 18

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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 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