Free shipping on qualifying gear orders $99+ • Easy returns

Washer, 6.4 x 18 x 1.6

T3555025 · Genuine Triumph

Triumph has stock
$1.60
Order-in Ask the parts desk

Listed for these motorcycles

Trophy 1215
2013–2017
Thruxton 1200
2016–2017
Thruxton 900
2007–2015
Street Cup
2017–2018
Bobber TFC
2020–2025
Speed Twin 1200 Breitling Edition
Choose your year
Scrambler 1200 Bond Edition
2021
Speed Twin 900
2021–2025
Street Twin
2016–2022
Thruxton 1200 TFC
2020
Tiger Sport 660
2022–2026
Trident 660
2021–2026
Speed Twin 1200
2019–2027
Speed Twin 1200 RS
2025
Tiger 1050 & Tiger Sport 1050
2001–2021
Speedmaster 1200
2020–2026
Bonneville T100
2008–2026
Bonneville T120
2016–2026
Bonneville T120 Black
2020–2026
Street Scrambler & Scrambler 900
2017–2026
Street Triple 675
Choose your year
Thunderbird 1600 & 1700
Choose your year
Sprint
1996–2011
Rocket III
2005–2018
Daytona 675
2006–2017
Daytona 955i / T595
1998–2006
Bobber
2017–2026
Speed Triple 955i & 1050
Choose your year
Scrambler 1200 X
2024–2025
Scrambler 1200 XC
2019–2023
Scrambler 1200 XE
2019–2026
Daytona 660
2025–2026
Trident 800
2026
Speed Twin 1200 TFC
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

ABS System
Trophy 1215 · Braking System · callout 12
View diagram →
ABS System
Trophy 1215 · Braking System · callout 12
View diagram →
Headlight Assembly
Thruxton · Electrical System · callout 28 · qty 4
View diagram →
Electrical Equipment
Thruxton · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Thruxton · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Thruxton · Electrical System · callout 21 · qty 7
View diagram →
Headlight Assembly
Thruxton · Electrical System · callout 27 · qty 4
View diagram →
Electrical Equipment
Street Cup · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Bonneville Bobber TFC · Electrical System · callout 55 · qty 6
View diagram →
Electrical Equipment
Bonneville Bobber TFC · Electrical System · callout 55 · qty 6
View diagram →
Mudguards
Speed Twin - Breitling Edition · Frame, Footrests, Engine Mountings & Stands · callout 26 · qty 2
View diagram →
Electrical System
Speed Twin - Breitling Edition · Electrical System · callout 38 · qty 5
View diagram →
Electrical Equipment
Scrambler 1200 Bond Edition · Electrical System · callout 7 · qty 5
View diagram →
Electrical Equipment
Street Twin & Speed Twin 900 · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Street Twin & Speed Twin 900 · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Street Twin & Speed Twin 900 · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Street Twin & Speed Twin 900 · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Thruxton TFC · Electrical System · callout 25 · qty 5
View diagram →
Cooling System
Tiger Sport 660cc · Cooling System · callout 46 · qty 2
View diagram →
Cooling System
Tiger Sport 660cc · Cooling System · callout 46 · qty 2
View diagram →
Cooling System
Tiger Sport 660cc · Cooling System · callout 46 · qty 2
View diagram →
Headlamp
Trident 660cc · Electrical System · callout 16 · qty 4
View diagram →
Cooling System
Trident 660cc · Cooling System · callout 46 · qty 2
View diagram →
Cooling System
Trident 660cc · Cooling System · callout 46 · qty 2
View diagram →
Cooling System
Trident 660cc · Cooling System · callout 46 · qty 2
View diagram →
Mudguards
Speed Twin 1200 · Frame, Footrests, Engine Mountings & Stands · callout 22 · qty 2
View diagram →
Mudguards
Speed Twin 1200 · Frame, Footrests, Engine Mountings & Stands · callout 26 · qty 2
View diagram →
Electrical System
Speed Twin 1200 · Electrical System · callout 38 · qty 4
View diagram →
Electrical System
Speed Twin 1200 · Electrical System · callout 38 · qty 5
View diagram →
Electrical System
Speed Twin 1200 · Electrical System · callout 38 · qty 4
View diagram →
Electrical System
Speed Twin 1200 · Electrical System · callout 29 · qty 5
View diagram →
Electrical System
Speed Twin 1200 · Electrical System · callout 38 · qty 4
View diagram →
Fuel Tank, Fuel Pump & Fittings
Tiger · Fuel Tank, Eng. Management & Exhaust Systems. · callout 5
View diagram →
Electrical Equipment > BC0396
Bonneville Speedmaster · Electrical System · callout 55 · qty 6
View diagram →
Electrical Equipment - BC0397 >
Bonneville Speedmaster · Electrical System · callout 55 · qty 6
View diagram →
Electrical Equipment
Bonneville Speedmaster · Electrical System · callout 55 · qty 6
View diagram →
Electrical Equipment
Bonneville Speedmaster · Electrical System · callout 55 · qty 5
View diagram →
Electrical Equipment
Bonneville Speedmaster · Electrical System · callout 55 · qty 6
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 25 · qty 5
View diagram →
Headlight Assembly - Bonneville Special Edition (MY13)
Bonneville · Electrical System · callout 29 · qty 4
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 29 · qty 5
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 29 · qty 4
View diagram →
Electrical Equipment
Bonneville · Electrical System · callout 29 · qty 4
View diagram →
Electrical Equipment
Street Scrambler & Scrambler 900 · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Street Scrambler & Scrambler 900 · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Street Scrambler & Scrambler 900 · Electrical System · callout 25 · qty 4
View diagram →
Electrical Equipment
Street Scrambler & Scrambler 900 · Electrical System · callout 25 · qty 5
View diagram →
Electrical Equipment
Street Scrambler & Scrambler 900 · Electrical System · callout 25 · qty 5
View diagram →
Fuel Tank, Fuel Pump & Fittings >388957, Black Tanks; >389422, Green Tanks; >388884, White Tanks
Street Triple up to BF1182 · Fuel & Exhaust Systems · callout 11 · qty 2
View diagram →
Fuel Tank, Fuel Pump & Fittings
Street Triple up to BF1182 · Fuel Tank, Eng. Management & Exhaust Systems. · callout 11 · qty 2
View diagram →
Fuel Tank, Fuel Pump & Fittings - 388958> Black Tanks; 389423> Green Tanks; 388885> White Tanks
Street Triple up to BF1182 · Fuel & Exhaust Systems · callout 11 · qty 2
View diagram →
Lower Belt Guard Kit
Thunderbird 1600 & 1700 · CHROME & CARBON · callout 4 · qty 2
View diagram →
Lower Belt Guard Kit
Thunderbird 1600 & 1700 · CHROME & CARBON · callout 4 · qty 2
View diagram →
Headlight Assembly
Thunderbird 1600 & 1700 · Electrical System · callout 10 · qty 4
View diagram →
Headlight Assembly
Thunderbird 1600 & 1700 · Electrical System · callout 12 · qty 4
View diagram →
Headlight Assembly
Thunderbird 1600 & 1700 · Electrical System · callout 20 · qty 3
View diagram →
Rear Light
Sprint · Electrical System · callout 12 · qty 2
View diagram →
Cush Drive Cover Kit
Sprint · Accessories · callout 5
View diagram →
Fuel Tank & Fittings
Rocket III · Fuel Tank, Eng. Management & Exhaust Systems. · callout 24
View diagram →
Fuel Tank, Fuel Pump & Fittings
Daytona 675 · Fuel Tank, Eng. Management & Exhaust Systems. · callout 11 · qty 2
View diagram →
Fuel Tank, Fuel Pump & Fittings
Daytona 675 · Fuel & Exhaust Systems · callout 11 · qty 2
View diagram →
Cushdrive Cover Kit, Carbon Fibre
Daytona · CHROME & CARBON · callout 5
View diagram →
Electrical Equipment
Bonneville Bobber · Electrical System · callout 55 · qty 6
View diagram →
Electrical Equipment - BB9436 >
Bonneville Bobber · Electrical System · callout 55 · qty 6
View diagram →
Electrical Equipment
Bonneville Bobber · Electrical System · callout 55 · qty 6
View diagram →
Electrical Equipment > BB9435
Bonneville Bobber · Electrical System · callout 55 · qty 6
View diagram →
Electrical Equipment
Bonneville Bobber · Electrical System · callout 55 · qty 6
View diagram →
Electrical Equipment
Bonneville Bobber · Electrical System · callout 55 · qty 5
View diagram →
Cushdrive Cover Kit, Carbon Fibre
Speed Triple · CHROME & CARBON · callout 5
View diagram →
Main Frame & Fittings
Speed Triple · Frame/Footrests/Eng Mtgs/Stands/Luggage/Tool Kit · callout 25
View diagram →
Main Frame & Fittings
Speed Triple · Frame/Footrests/Eng Mtgs/Stands/Luggage/Tool Kit · callout 25 · qty 2
View diagram →
Main Frame & Fittings
Speed Triple · Frame/Footrests/Eng Mtgs/Stands/Luggage/Tool Kit · callout 25 · qty 2
View diagram →
Main Frame & Fittings
Speed Triple · Frame/Footrests/Eng Mtgs/Stands/Luggage/Tool Kit · callout 25 · qty 2
View diagram →
Main Frame & Fittings
Speed Triple · Frame/Footrests/Eng Mtgs/Stands/Luggage/Tool Kit · callout 25
View diagram →
Main Frame & Fittings
Speed Triple · Frame/Footrests/Eng Mtgs/Stands/Luggage/Tool Kit · callout 25 · qty 2
View diagram →
Cushdrive Cover Kit, Carbon Fibre
Speed Triple · Accessories · callout 5
View diagram →
Electrical Equipment
Scrambler 1200 · Electrical System · callout 7 · qty 5
View diagram →
Electrical Equipment
Scrambler 1200 · Electrical System · callout 7 · qty 5
View diagram →
Electrical Equipment
Scrambler 1200 · Electrical System · callout 7 · qty 5
View diagram →
Electrical Equipment
Scrambler 1200 · Electrical System · callout 7 · qty 5
View diagram →
Electrical Equipment
Scrambler 1200 · Electrical System · callout 7 · qty 5
View diagram →
Electrical Equipment
Scrambler 1200 · Electrical System · callout 7 · qty 5
View diagram →
Electrical Equipment
Scrambler 1200 · Electrical System · callout 7 · qty 5
View diagram →
Main Frame Assembly
Daytona 660 · Frame, Footrests, Engine Mountings & Stands · callout 23
View diagram →
Main Frame Assembly
Daytona 660 · Frame, Footrests, Engine Mountings & Stands · callout 23
View diagram →
Cooling System
Daytona 660 · Cooling System · callout 46 · qty 2
View diagram →
Cooling System
Daytona 660 · Cooling System · callout 46 · qty 2
View diagram →
Headlamp
Trident 800 · Electrical System · callout 18 · qty 4
View diagram →
Electrical System
Speed Twin 1200 TFC · Electrical System · callout 38 · 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