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Plug, NPSI 3/8 Dryseal

T3450005 · Genuine Triumph

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Listed for these motorcycles

Legend TT
Choose your year
Trident 750/900
Choose your year
Trophy
1997–1999
Trophy 1215
2013–2017
Tiger Explorer
2014–2017
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
Tiger 800
2011–2019
Tiger 1050 & Tiger Sport 1050
2001–2021
Bonneville T100
2008–2026
Bonneville T120
2016–2026
Bonneville T120 Black
2020–2026
Street Triple 675
Choose your year
Thunderbird 1600 & 1700
Choose your year
Adventurer
Choose your year
Sprint
1996–2011
Rocket III
2005–2018
Daytona 675
2006–2017
Daytona 955i / T595
1998–2006
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

Sump
Legend TT · Crankcase, Engine Covers, Lubrication System · callout 14 · qty 2
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Cylinder Head and Valves
Trident 750/900 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 16 · qty 2
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Sump
Trident 750/900 · Crankcase, Engine Covers, Lubrication System · callout 19 · qty 2
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Cylinder Head and Valves 4 Cylinder Grey
Trophy · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 15 · qty 2
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Cylinder Head and Valves
Trophy · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 16 · qty 2
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Cylinder Head and Valves 4 Cylinder Black
Trophy · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 15 · qty 2
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Cylinder Head and Valves 3 Cylinder
Trophy · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 15 · qty 2
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Sump
Trophy · Crankcase, Engine Covers, Lubrication System · callout 16 · qty 3
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Sump
Trophy · Crankcase, Engine Covers, Lubrication System · callout 12 · qty 3
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Crankcase & Fittings
Trophy 1215 · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 2
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Crankcase & Fittings
Trophy 1215 · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 2
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Cylinder Head & Valves
Trophy 1215 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
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Cylinder Head & Valves
Trophy 1215 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
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Crankcase & Fittings
Tiger Explorer · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 2
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Crankcase & Fittings
Tiger Explorer · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 2
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Crankcase & Fittings
Tiger Explorer · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 2
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Crankcase & Fittings
Tiger Explorer · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 2
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Crankcase & Fittings
Tiger Explorer · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 2
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Crankcase & Fittings
Tiger Explorer · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 2
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Crankcase & Fittings
Tiger Explorer · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 2
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Cylinder Head & Valves
Tiger Explorer · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
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Cylinder Head & Valves
Tiger Explorer · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
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Crankcase & Fittings
Tiger Explorer · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 2
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Crankcase & Fittings
America · Crankcase, Engine Covers, Lubrication System · callout 5 · qty 4
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Crankcase & Fittings up to Eng No 221608 (Plus ENG No's 229407 to 230164)
America · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings from Eng No 221609 (Except Eng No's 229407 to 230164)
America · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings
Air Cooled Scramblers · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 6 · qty 4
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Crankcase & Fittings
Air Cooled Scramblers · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 6 · qty 4
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Crankcase & Fittings up to Eng No 221606
Speedmaster · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings from Eng No 221607
Speedmaster · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings
Speedmaster · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings
Thruxton · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings - up to Eng No 221608 (Plus Eng No's 229407 to 230164)
Thruxton · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings - from Eng No 221609 (Except Eng No's 229407 to 230164)
Thruxton · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Sump
Thunderbird & Thunderbird Sport · Crankcase, Engine Covers, Lubrication System · callout 17 · qty 2
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Sump
Thunderbird & Thunderbird Sport · Crankcase, Engine Covers, Lubrication System · callout 14 · qty 2
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Crankcase & Fittings
Tiger 800 · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 3 · qty 3
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Crankcase & Fittings
Tiger 800 · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 3 · qty 3
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Crankcase & Fittings
Tiger 800 · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 3 · qty 3
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Cylinder Head & Valves
Tiger 800 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Crankcase & Fittings
Tiger 800 · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 3 · qty 3
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Cylinder Head & Valves
Tiger 800 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Crankcase & Fittings
Tiger 800 · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 3 · qty 3
View diagram →
Crankcase & Fittings
Tiger 800 · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 3 · qty 3
View diagram →
Crankcase & Fittings
Tiger 800 · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 3 · qty 3
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Crankcase & Fittings
Tiger 800 · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 3 · qty 3
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Cylinder Head & Valves
Tiger 800 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Cylinder Head & Valves
Tiger 800 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Cylinder Head & Valves
Tiger 800 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
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Cylinder Head & Valves
Tiger 800 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Gear Selector Drum
Tiger · Clutch & Transmission incl. Gearchange Mechanism · callout 13
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Cylinder Head & Valves
Tiger · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 2
View diagram →
Gear Selector Drum - Eng No 563847 >
Tiger · Clutch & Transmission incl. Gearchange Mechanism · callout 13
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Crankcase
Tiger · Crankcase, Engine Covers, Lubrication System · callout 14 · qty 2
View diagram →
Crankcase
Tiger · Crankcase, Engine Covers, Lubrication System · callout 14
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Crankcase & Fittings
Tiger · Crankcase, Engine Covers, Lubrication System · callout 15
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Cylinder Head and Valves
Tiger · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 23 · qty 2
View diagram →
Cylinder Head and Valves
Tiger · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 15 · qty 2
View diagram →
Cylinder Head & Valves
Tiger · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 2
View diagram →
Cylinder Head and Valves
Tiger · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 23 · qty 2
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Cylinder Head & Valves
Tiger · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 23 · qty 2
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C/case & Ftgs - Bonny Eng No 221609 > (Expt Eng No's 229407 > 230164)
Bonneville · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings - Bonneville from Eng No 221609 (Black Engines Only)
Bonneville · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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C/case & Fittings - Bonneville > Eng No 221608 (+ Eng No's 229407 > 230164)
Bonneville · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings
Bonneville · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings
Bonneville · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
View diagram →
C/Case & Ftgs - Bonny T100 Eng No 221609 > (Expt Eng No's 229407 > 230164)
Bonneville · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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C/case & Fittings - Bonny T100 > Eng No 221608 (+ Eng No's 229407 > 230164)
Bonneville · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings
Bonneville · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings - Bonneville up to Eng No 221608 (Black Engines Only)
Bonneville · Crankcase, Engine Covers, Lubrication System · callout 6 · qty 4
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Crankcase & Fittings
Street Triple up to BF1182 · Crankcase, Engine Covers, Lubrication System · callout 3 · qty 3
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Crankcase & Fittings
Street Triple up to BF1182 · Crankcase, Engine Covers, Lubrication System · callout 3 · qty 3
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Crankcase & Fittings
Street Triple up to BF1182 · Crankcase, Engine Covers, Lubrication System · callout 3 · qty 3
View diagram →
Crankcase & Fittings
Street Triple up to BF1182 · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 3 · qty 3
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Cylinder Head & Valves
Street Triple up to BF1182 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Cylinder Head & Valves
Street Triple up to BF1182 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Cylinder Head & Valves
Street Triple up to BF1182 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Cylinder Head & Valves
Street Triple up to BF1182 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
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Cylinder Head & Valves
Thunderbird 1600 & 1700 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 13 · qty 2
View diagram →
Cylinder Head & Valves
Thunderbird 1600 & 1700 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 13 · qty 2
View diagram →
Cylinder Head & Valves
Thunderbird 1600 & 1700 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 13 · qty 2
View diagram →
Cylinder Head & Valves
Thunderbird 1600 & 1700 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 13 · qty 2
View diagram →
Sump
Adventurer · Crankcase, Engine Covers, Lubrication System · callout 14 · qty 2
View diagram →
Cylinder Head and Valves
Sprint · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 2
View diagram →
Cylinder Head & Valves
Sprint · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 2
View diagram →
Cylinder Head and Valves
Sprint · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 23 · qty 2
View diagram →
Cylinder Head and Valves
Sprint · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 2
View diagram →
Cylinder Head and Valves
Sprint · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 23 · qty 2
View diagram →
Cylinder Head and Valves
Sprint · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 15 · qty 2
View diagram →
Crankcase
Sprint · Crankcase, Engine Covers, Lubrication System · callout 14
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Crankcase
Sprint · Crankcase, Engine Covers, Lubrication System · callout 14
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Crankcase
Sprint · Crankcase, Engine Covers, Lubrication System · callout 13 · qty 2
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Crankcase
Sprint · Crankcase, Engine Covers, Lubrication System · callout 14 · qty 2
View diagram →
Gear Selector Drum Eng No 563847 >
Sprint · Clutch & Transmission incl. Gearchange Mechanism · callout 13
View diagram →
Cylinder Head & Valves
Sprint · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 2
View diagram →
Cylinder Head & Valves
Rocket III · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
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Cylinder Head & Valves
Rocket III · Cylinder Head, Valves, Pistons & Liners · callout 4 · qty 3
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Sump & Fittings
Rocket III · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 2 · qty 4
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Sump & Fittings > Eng No 217500
Rocket III · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 2
View diagram →
Sump & Fittings Eng No 217501 >
Rocket III · Crankcase, Engine Covers, Lubrication System · callout 2 · qty 4
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Crankcase & Fittings
Daytona 675 · Crankcase, Engine Covers, Lubrication System · callout 8
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Crankcase & Fittings
Daytona 675 · Crankcase, Engine Covers, Lubrication System · callout 8
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Crankcase & Fittings
Daytona 675 · Crankcase, Engine Covers, Lubrication System · callout 3 · qty 3
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Cylinder Head & Valves
Daytona 675 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Crankcase & Fittings
Daytona 675 · Crankcase, Engine Covers & Eng. Lubrication Syst · callout 3 · qty 3
View diagram →
Cylinder Head & Valves
Daytona 675 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Cylinder Head & Valves
Daytona 675 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Cylinder Head & Valves
Daytona 675 · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 3
View diagram →
Cylinder Head and Valves
Daytona · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 23 · qty 2
View diagram →
Cylinder Head and Valves
Daytona · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 15 · qty 2
View diagram →
Cylinder Head and Valves
Daytona · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 2
View diagram →
Cylinder Head and Valves
Daytona · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 16 · qty 2
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Crankcase & Fittings > Eng No 228630
Daytona · Crankcase, Engine Covers, Lubrication System · callout 12
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Crankcase
Daytona · Crankcase, Engine Covers, Lubrication System · callout 15 · qty 2
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Sump
Daytona · Crankcase, Engine Covers, Lubrication System · callout 12 · qty 3
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Cylinder Head & Valves
Speed Triple · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 2
View diagram →
Cylinder Head and Valves
Speed Triple · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 24 · qty 2
View diagram →
Cylinder Head and Valves
Speed Triple · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 15 · qty 2
View diagram →
Cylinder Head & Valves
Speed Triple · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 2
View diagram →
Cylinder Head and Valves
Speed Triple · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 2
View diagram →
Cylinder Head & Valves
Speed Triple · Cylinder Head, Valves, Pistons, Liners, Camshaft & Balancers · callout 4 · qty 2
View diagram →
Crankcase
Speed Triple · Crankcase, Engine Covers, Lubrication System · callout 14
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Crankcase
Speed Triple · Crankcase, Engine Covers, Lubrication System · callout 15 · qty 2
View diagram →
Gear Selector Drum - Eng No 563847 >
Speed Triple · Clutch & Transmission incl. Gearchange Mechanism · callout 13
View diagram →
Gear Selector Drum - Eng No 563847 >
Speed Triple · Clutch & Transmission incl. Gearchange Mechanism · callout 13
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