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Gasket Kit, Full

Triumph Bonneville Speedmaster · Service Tools, Literature & Touch-Up Paint · 44 parts · 19 on the shelf in Brea

Exploded parts diagram — Gasket Kit, Full, Triumph Bonneville Speedmaster

Open this diagram in the interactive viewer → Click any callout on the drawing to jump to the part.

Motorcycles this catalogue covers

Speedmaster 1200
2020–2026

Our parts team checks fitment against your motorcycle before any order ships.

Every part on this diagram

1
T3990182
Gasket Kit, Full
Qty 1
COMPRISES FOLLOWING PARTS:
Triumph has stock
$588.50
Order-in Ask the parts desk
—
T1156034
Gasket, Cylinder Head, 97.6
Qty 1
Cylinder Head Section
Triumph has stock
$123.65
Order-in Ask the parts desk
—
T1130710
Oil Seal, Valve Stem, 5mm
Qty 8
Cylinder Head Section
$9.87
In stock in Brea Ask the parts desk
—
T3601276
O Ring, ID 23.7 x 2.9
Qty 1
Camshaft/Cam Drive Section
$2.76
In stock in Brea Ask the parts desk
—
T3600199
O Ring, 18.8 x Dia 1.9
Qty 1
Camshaft/Cam Drive Section
$1.36
In stock in Brea Ask the parts desk
—
T3600163
O Ring, ID 19 x 3
Qty 2
Balancer Section
Triumph has stock
$11.68
Order-in Ask the parts desk
—
T3600191
O Ring, 16 x 2
Qty 2
Balancer Section
$3.49
In stock in Brea Ask the parts desk
—
T3600216
O Ring, ID 9.8 x 3
Qty 4
Balancer Section
Triumph has stock
$2.49
Order-in Ask the parts desk
—
T1179999
Washer, C, Clutch
Qty 1
Clutch Section
$10.84
In stock in Brea Ask the parts desk
—
T1186601
Tab Washer, Sprocket
Qty 1
Transmission Section
Triumph has stock
$25.81
Order-in Ask the parts desk
—
T3600113
Seal, Oil 35 x 62 x 5
Qty 1
Transmission Section
Triumph has stock
$22.78
Order-in Ask the parts desk
—
T1167250
Base Gasket
Qty 1
Crankcase Section
Triumph’s Sep 4, 2026 date has passed, we’ll confirm
$27.37
On backorder Ask the parts desk
—
T3600153
O Ring, 7.6 x 2.4
Qty 2
Crankcase Section
Triumph has stock
$1.86
Order-in Ask the parts desk
—
T3600268
O Ring, ID 7, 52 x 3, 53
Qty 1
Crankcase Section
Triumph has stock
$5.02
Order-in Ask the parts desk
—
T1162911
Gasket, Breather
Qty 1
Crankcase Section
Low stock at Triumph
$4.21
Order-in Ask the parts desk
—
T3600028
O Ring, Filler Cap
Qty 1
Crankcase Section
Triumph has stock
$1.30
Order-in Ask the parts desk
—
T3550560
Washer, CU, OD16.0, ID8.4, 1.0
Qty 1
Crankcase Section
Triumph has stock
$2.20
Order-in Ask the parts desk
—
T3600950
O Ring, 23.47 x 2.62
Qty 1
Crankcase Section
No date from Triumph yet
$3.00
On backorder Ask the parts desk
—
T1260309
Seal, Cam Cover, Screw, Twin Lip
Qty 4
Cam Cover Section
$5.39
In stock in Brea Ask the parts desk
—
T1260587
Seal, Cam Cover, SAI
Qty 1
Cam Cover Section
$27.60
In stock in Brea Ask the parts desk
—
T1268765
Gasket, Alternator Cover
Qty 1
Engine Covers Section
$12.71
In stock in Brea Ask the parts desk
—
T1269876
Gasket, Clutch Cover
Qty 1
Engine Covers Section
$15.21
In stock in Brea Ask the parts desk
—
T3600088
Seal, Oil, 14 x 22 x 4.5
Qty 1
Engine Covers Section
$5.92
In stock in Brea Ask the parts desk
—
T3600095
Dust Seal
Qty 1
Engine Covers Section
$2.09
In stock in Brea Ask the parts desk
—
T1230444
Gasket, Sump
Qty 1
Sump Section
Triumph has stock
$11.69
Order-in Ask the parts desk
—
T3558989
Washer, Sealing, 14.4 x 23 x 3
Qty 1
Sump Section - Part only available as multipack, T3551092
$1.86
In stock in Brea Ask the parts desk
—
T3600128
Seal, Oil, Strainer
Qty 1
Lubrication Section
Triumph has stock
$7.14
Order-in Ask the parts desk
—
T3600109
O Ring, ID 5.6 x 2.3
Qty 4
Lubrication Section
$4.91
In stock in Brea Ask the parts desk
—
T3600176
O Ring, 6.1 x 1.6
Qty 2
Lubrication Section
Triumph has stock
$2.73
Order-in Ask the parts desk
—
T3600117
O Ring 17 x 3
Qty 2
Lubrication Section
Triumph has stock
$6.61
Order-in Ask the parts desk
—
T3550546
Washer, Cu, OD 16 x ID 10.2/
Qty 1
Lubrication Section
Triumph has stock
$0.83
Order-in Ask the parts desk
—
T3600290
O Ring, 23.7 x 2
Qty 1
Lubrication Section
Triumph has stock
$1.30
Order-in Ask the parts desk
—
T3600217
O Ring, 12.6 ID x 2.4
Qty 1
Lubrication Section
Triumph has stock
$3.14
Order-in Ask the parts desk
—
T1241966
O Ring, Injector, Lower
Qty 2
Throttle Body Section
Triumph has stock
$5.02
Order-in Ask the parts desk
—
T2201429
Gasket, Exhaust Header
Qty 2
Exhaust Section
$14.75
In stock in Brea Ask the parts desk
—
T2202153
Gasket, Exhaust, D35
Qty 2
Exhaust Section
$12.02
In stock in Brea Ask the parts desk
—
T2202346
Gasket, Exhaust
Qty 2
Exhaust Section
$12.71
In stock in Brea Ask the parts desk
—
T2100201
Seal, Thermostat
Qty 1
Cooling Section
$6.61
In stock in Brea Ask the parts desk
—
T2101277
Sealing Ring, Coolant Manifold
Qty 1
Cooling Section
Triumph has stock
$13.58
Order-in Ask the parts desk
—
T3600124
O Ring, ID 21.5 x 3
Qty 4
Cooling Section
$3.14
In stock in Brea Ask the parts desk
—
T3020153
Grommet, 13 x 3 x 10
Qty 3
Cooling Section
Triumph has stock
$1.77
Order-in Ask the parts desk
—
T3550571
Washer, Cu, OD 16 x ID 12.5
Qty 1
Ignition Section
Low stock at Triumph
$4.70
Order-in Ask the parts desk
—
T3600267
O Ring, ID 26.65 x Dia 2.62
Qty 2
Ignition Section
$1.40
In stock in Brea Ask the parts desk
—
T3600115
O Ring
Qty 1
Starter Motor Section
Triumph’s Sep 4, 2026 date has passed, we’ll confirm
$3.14
On backorder Ask the parts desk

Diagram and part data from Triumph’s own parts catalogue. Prices and availability are a dated snapshot, not a reservation. Fitment is Triumph’s data — send us the last six of your VIN if you want it checked before you order.

Southern California Motorcycles, 515 W Lambert Rd, Brea, CA 92821 · 714-256-6700

Triumph supply checked Aug 5, 2026 · Brea shelf Aug 18, 2026.