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Domenut, Locking, M6

T3350044 · Genuine Triumph

Low stock at Triumph
$2.06
Order-in Ask the parts desk

Listed for these motorcycles

Legend TT
Choose your year
Trident 750/900
Choose your year
America
2002–2016
Air-Cooled Scrambler
2006–2016
Speedmaster 865
Choose your year
Thruxton 1200
2016–2017
Thruxton 900
2007–2015
Thunderbird & Thunderbird Sport
1999
Bonneville T100
2008–2026
Bonneville T120
2016–2026
Bonneville T120 Black
2020–2026
Adventurer
Choose your year
Speed Triple 955i & 1050
Choose your year

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

Headlight/Mountings
Legend TT · Electrical System · callout 28 · qty 4
View diagram →
Headlight/Mountings VIN 9083 >
Trident 750/900 · Electrical System · callout 24 · qty 4
View diagram →
Camshaft and Drive » ENG NO 186916
America · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Camshaft & Camshaft Drive
America · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Camshaft and Drive ENG NO 186917 »
America · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Camshaft & Camshaft Drive
Air Cooled Scramblers · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Camshaft & Camshaft Drive
Air Cooled Scramblers · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Camshaft and Drives » 186920
Speedmaster · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 19
View diagram →
Camshaft and Drives 186921 »
Speedmaster · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 19
View diagram →
Camshaft & Camshaft Drive
Speedmaster · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 19
View diagram →
Camshaft & Camshaft Drive
Thruxton · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Camshaft & Camshaft Drive
Thruxton · Cylinder Head, Valves, Pistons & Liners · callout 18
View diagram →
Headlight/Mountings
Thunderbird & Thunderbird Sport · Electrical System · callout 24 · qty 4
View diagram →
Headlight/Mountings
Thunderbird & Thunderbird Sport · Electrical System · callout 24 · qty 4
View diagram →
Camshaft & Camshaft Drive
Bonneville · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Camshaft and Drive ENG NO 186917 » - Bonneville
Bonneville · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Camshaft and Drive ENG NO 186917 » - Bonneville T100
Bonneville · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Camshaft and Drive » ENG NO 186916 - Bonneville & Bonneville T100
Bonneville · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Camshaft & Camshaft Drive
Bonneville · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Camshaft & Camshaft Drive
Bonneville · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 18
View diagram →
Headlight/Mountings
Adventurer · Electrical System · callout 24 · qty 4
View diagram →
Headlight/Mountings
Adventurer · Electrical System · callout 24 · qty 4
View diagram →
Headlight/Mountings
Speed Triple · Electrical System · callout 24 · qty 4
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