Keep your classic Triumph motorcycle running like the day it left the factory with our comprehensive selection of authentic Triumph gaskets and seals. Whether you’re rebuilding that legendary parallel-twin or triple engine, or just freshening up the top end, we have the high-quality components you need.
Prevent leaks and ensure a proper seal with our huge inventory of genuine Triumph gaskets. From cylinder base gaskets to valve cover gaskets, we carry gaskets for every application on vintage Triumph twins and triples. Made from premium materials like copper and aramid fiber to meet original specifications.
We also stock oil seals, O-rings, and other seals to keep your Triumph’s oiling system working properly. Crankshaft seals, countershaft seals, fork seals and more are available for models like the Bonneville, Trident, and Trophy.
Why Choose Us for your Triumph Gaskets?
Equip yourself with the best parts for your classic British motorcycles. We have the largest selection, competitive pricing and Free Shipping to the lower 48 US.
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Amal Concentric Float Bowl Gasket(s) for Triumph BSA Norton etc PN# 622/073
$7.47 – $14.44Price range: $7.47 through $14.44
BSA Triumph 650 750 A65 TR6 T120 TR7 T140 Oil In Frame Sump Gasket(s) PN# 83-2829
$7.47 – $16.95Price range: $7.47 through $16.95
Genuine Amal Triumph Norton BSA etc. 389 Monobloc Gasket Kit(s) PN# 389/121 A RKC/500
$14.49 – $24.16Price range: $14.49 through $24.16
Norton BSA Triumph etc. Amal 389 Monobloc Gasket Kit(s) PN# TBS-0044 389/121
$12.96 – $21.08Price range: $12.96 through $21.08
Norton BSA Triumph etc. Amal Concentric Gasket Set(s) PN# TBS-0419
$14.49 – $23.34Price range: $14.49 through $23.34
Triumph 350 500 650 750 Oil Junction Block Gasket(s) PN# 70-3763
$5.92 – $7.25Price range: $5.92 through $7.25
Triumph 350 500 T90 T100 3TA 5TA etc Cylinder Base Gasket(s) US Made PN# 70-3798 E3798
$7.99 – $11.48Price range: $7.99 through $11.48
Triumph 500 650 750 Alternator Rotor Inspection Cover Gasket(s) PN# 71-1457 E11457 57-2442 T2442
$7.00 – $9.26Price range: $7.00 through $9.26
Triumph 500 650 750 Oil Pressure Release Valve Fiber Washer(s) PN# 70-8754 E8754 GS254
$5.92 – $7.25Price range: $5.92 through $7.25
Triumph 500 650 750 Primary Adjuster Drain Plug Fiber Washer(s) PN# 57-1738
$6.32 – $15.50Price range: $6.32 through $15.50
Triumph 500 650 750 T100 T120 TR6 T140 TR7 Gearbox Oil Level Drain Fiber Washer(s) PN# 57-1257
$5.37 – $8.79Price range: $5.37 through $8.79
Triumph 500 650 Oil Cap Gasket / Cork Washer(s) Also Fork Abutment PN# 82-4047
$5.92 – $7.25Price range: $5.92 through $7.25
Triumph 500 650 Pre-Unit Primary Cover Gasket(s) 1954-62 PN# 57-1226 T1226
$13.98 – $23.16Price range: $13.98 through $23.16
Triumph 500 650 Pre-Unit Primary Cover Gasket(s) 5T 6T 1947-53 PN# 57-0504 T504
$10.88 – $16.11Price range: $10.88 through $16.11
Triumph 500 650 Pre-Unit Primary Cover Gasket(s) Dynamo Type 1954-59 PN# 57-1189 T1189
$13.98 – $23.16Price range: $13.98 through $23.16
Triumph 500 T100 Early Pushrod Tube Seal(s) 1959-63 PN# 70-3758
$7.48 – $10.16Price range: $7.48 through $10.16
Triumph 650 750 4-Hole Rocker Inspection Cover Gasket(s) 1972-73 PN# 71-2574 E12574
$6.53 – $8.37Price range: $6.53 through $8.37
Triumph 650 750 Alternator Stud/Drain Copper Washer(s) PN# 82-1880 F1880
$6.13 – $14.65Price range: $6.13 through $14.65
Triumph 650 750 Bonneville Tiger Trophy Base Gasket(s) 1966-82 PN# 70-6309
$7.42 – $10.35Price range: $7.42 through $10.35
Triumph 650 750 Bonneville Tiger Trophy Inner Gearbox Gasket(s) PN# 57-7012 71-3096
$7.25 – $9.74Price range: $7.25 through $9.74
Triumph 650 750 Bonneville Tiger Trophy Outer Gearbox Gasket(s) PN# 71-1448 70-9899
$7.67 – $10.82Price range: $7.67 through $10.82
Triumph 650 750 Heavy Duty Primary Cover Gasket(s) PN# 57-1770 H 71-1463 H 71-7009 T1770 E11463 E17009
$13.85 – $22.14Price range: $13.85 through $22.14
Triumph 650 and 750 Tiger Trophy Inlet Manifold Gasket(s) PN# 70-5660 E5660
$6.47 – $8.28Price range: $6.47 through $8.28
Triumph 650 and 750 Twin ‘Cov Seal’ Rocker Box Gasket(s) 1971 On PN# 71-2599 E
$13.04 – $21.24Price range: $13.04 through $21.24
Triumph 650 and 750 Twin Paper Rocker Box Gasket(s) 1971 onwards PN# 71-2599 P E12599 P
$6.58 – $8.46Price range: $6.58 through $8.46
Triumph 750 TR7 Tiger T140 Bonneville Rocker Box Gasket(s) 1973-82 PN# 71-3673 E13673
$7.25 – $9.74Price range: $7.25 through $9.74
Triumph Amal Type 26mm Carb Flange Gasket(s) PN# 71-3573 A
$6.24 – $7.85Price range: $6.24 through $7.85
Triumph Norton BSA Amal 30mm/32mm Carb-Inlet Manifold Gasket(s) PN# 71-1416 71-3573
$6.18 – $24.96Price range: $6.18 through $24.96
Triumph T100 T120 140 Bonneville Oil Pump Gasket(s) PN# 70-3730 71-1461 71-3910
$6.48 – $8.28Price range: $6.48 through $8.28
Triumph T100 T120 140 Bonneville Tiger Fuel Petrol Gas Cap Gasket(s) PN# 82-4048 F4048
$8.19 – $11.90Price range: $8.19 through $11.90
Triumph T100C T100R 500 Twins Intake Manifold Gasket(s) PN# 70-6772 E6772
$6.45 – $8.23Price range: $6.45 through $8.23
Triumph T120 TR6 650 Twin Paper Rocker Box Gasket(s) 1963-70 PN# 70-9348 P E9348 P
$7.66 – $10.82Price range: $7.66 through $10.82
Triumph T90 350 T100 500 Inner Gearbox Gasket(s) PN# TBS-0551 A
$7.56 – $10.63Price range: $7.56 through $10.63
Triumph Trident BSA Rocket 3 A75 T150 T160 Sump Gasket(s) PN# 71-1444 70-6516 70-8776
$6.70 – $8.70Price range: $6.70 through $8.70
Triumph Trident Hurricane BSA Rocket 3 Rocker Box Cover Gasket(s) PN# 71-1445
$8.01 – $11.52Price range: $8.01 through $11.52
Triumph Twins and Singles Points Cover Gasket(s) PN# 71-1462 70-5049 70-7882
$6.48 – $8.28Price range: $6.48 through $8.28
Triumph Unit T90 350 T100 500 Tiger Daytona Outer Gearbox Gasket(s) PN# TBS-0551
$7.45 – $10.39Price range: $7.45 through $10.39
