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Cooling System

Triumph Thunderbird & Thunderbird Sport · Cooling System · 68 parts · 5 on the shelf in Brea

Exploded parts diagram — Cooling System, Triumph Thunderbird & Thunderbird Sport

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

Motorcycles this catalogue covers

Thunderbird & Thunderbird Sport
1999

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

Every part on this diagram

1
T2100100
Water pump assy
Qty 1
Triumph has stock
$336.22
Order-in Ask the parts desk
2
T3202065
Bolt
Qty 2
M6 x 65mm
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
3
T2100335
Water pipe
Qty 1
Lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
4
T3600036
O ring
Qty 1
Triumph has stock
$1.30
Order-in Ask the parts desk
5
T3203115
Bolt, RHHF, M6x1.0x12, S/S
Qty 1
Triumph has stock
$2.93
Order-in Ask the parts desk
6
T3205653
Bolt, HHF, Lghtd, M8 x 30, Slv
Qty 1
Triumph has stock
$1.12
Order-in Ask the parts desk
7
3550030-T0301
Washer fibre
Qty 1
M8 - PART NO LONGER AVAILABLE
No longer supplied by Triumph
$0.47
Not on our shelf Ask the parts desk
8
T2100343
Outlet pipe
Qty 1
Cylinder head Black
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
9
T2100054
Gasket, Cyl Head Outlet
Qty 1
Triumph has stock
$1.39
Order-in Ask the parts desk
10
T3205063
Bolt, HHF, Lghtd, M6 x 16, Slv
Qty 2
M6 x 16mm Stainless
Triumph has stock
$3.24
Order-in Ask the parts desk
11
T2102146
Elbow
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
12
T2102143
Gasket
Qty 1
Triumph has stock
$1.30
Order-in Ask the parts desk
13
T3331234
Screw, Torx, P/H, M6 x 20, Slv
Qty 1
$4.91
In stock in Brea Ask the parts desk
14
T2100049
Bracket
Qty 1
Triumph has stock
$1.95
Order-in Ask the parts desk
15
T2100110
Hose outlet
Qty 1
Triumph has stock
$21.94
Order-in Ask the parts desk
16
T2102242
Hose Clip, 23-35, Bright, Ss
Qty 6
Low stock at Triumph
$7.15
Order-in Ask the parts desk
17
T2100311
Hose
Qty 1
No date from Triumph yet
$20.14
On backorder Ask the parts desk
18
T2100321
Hose top
Qty 1
No date from Triumph yet
$51.04
On backorder Ask the parts desk
19
T2100333
Hose
Qty 1
Triumph has stock
$20.14
Order-in Ask the parts desk
21
T2100351
Hose bottom
Qty 1
Triumph has stock
$14.95
Order-in Ask the parts desk
22
T3330545
Bolt
Qty 4
If the last 6 of your VIN are 79226 or lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
22
T3330726
Screw, Btn/Hd, M6 x 12, Slv
Qty 4
If the last 6 of your VIN are 79227 or higher
$4.09
In stock in Brea Ask the parts desk
23
T2100171
Cover lh
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
24
T2100161
Cover rh
Qty 1
No longer supplied by Triumph
$110.81
Not on our shelf Ask the parts desk
25
T2102137
Radiator
Qty 1
If the last 6 of your VIN are 79226 or lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
25
T2102135
Radiator
Qty 1
If the last 6 of your VIN are 79227 or higher
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
26
T3020300
Grommet, Dia 19.5 x 4 Panel
Qty 4
Triumph has stock
$3.14
Order-in Ask the parts desk
27
T3010262
Flanged sleeve
Qty 2
M8
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
28
T3555033
Washer, 8.4 x 24 x 2
Qty 2
Triumph has stock
$2.53
Order-in Ask the parts desk
29
T2102134
Stone guard
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
30
T3330540
Bolt
Qty 2
M8 x 30mm
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
31
T2101314
Radiator bracket
Qty 1
LH * PART NO LONGER AVAILABLE *
No longer supplied by Triumph
$4.49
Not on our shelf Ask the parts desk
32
T2101315
Radiator bracket
Qty 1
RH
No date from Triumph yet
$4.49
On backorder Ask the parts desk
33
2101202-T0301
Fan assembly
Qty 1
Triumph has stock
$396.11
Order-in Ask the parts desk
34
T3331517
Screw, P/HD Tx, Shld, M6 x 16, S
Qty 3
Low stock at Triumph
$0.90
Order-in Ask the parts desk
35
T3350111
Nut, Captive, M6
Qty 1
Triumph expects Sep 11, 2026
$4.56
On backorder Ask the parts desk
36
T2100080
Thermostat housing
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
37
T2100789
Switch fan
Qty 1
Triumph has stock
$91.53
Order-in Ask the parts desk
38
T2102131
Thermostat
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
39
T3600210
O ring
Qty 1
$1.30
In stock in Brea Ask the parts desk
40
T2100272
Retainer
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
41
T3331102
Bolt, HHF, M6 X 25, S/S
Qty 2
** Part No Longer Available **
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
42
T3600200
O ring
Qty 1
Triumph has stock
$3.42
Order-in Ask the parts desk
43
T3550542
Washer, Cu, OD12.5 x Id6.4
Qty 1
$0.97
In stock in Brea Ask the parts desk
44
T3150007
Bolt
Qty 1
M6 x 12mm
No longer supplied by Triumph
$0.54
Not on our shelf Ask the parts desk
45
T3331043
Screw, Pan/Hd, Tx, M6 x 12, Slv
Qty 2
Low stock at Triumph
$0.90
Order-in Ask the parts desk
46
T2100074
Cap Assy
Qty 1
$24.65
In stock in Brea Ask the parts desk
47
T2100450
Expansion tank
Qty 1
Triumph has stock
$73.93
Order-in Ask the parts desk
48
T3450035
Grommet, Dia 8, Dia 12.5, 3
Qty 1
Triumph has stock
$1.95
Order-in Ask the parts desk
49
T2100405
Elbow, ID 8.0 Tube
Qty 2
Triumph has stock
$1.30
Order-in Ask the parts desk
50
T3620300
Overflow pipe
Qty 1
Triumph has stock
$12.20
Order-in Ask the parts desk
51
T2100997
Cap, Expansion Tank
Qty 1
Triumph has stock
$8.82
Order-in Ask the parts desk
52
T3620235
Pipe
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
53
T3330334
Screw, Tx, Pan/Hd, M6 x 16, Slv
Qty 2
Low stock at Triumph
$2.43
Order-in Ask the parts desk
54
T3331299
Screw, Pan/HD, Tx, M6 x 40, Slv
Qty 1
Triumph has stock
$3.42
Order-in Ask the parts desk
56
T3700077
Clip, 10.5 Rer Oetiker
Qty 1
Triumph has stock
$3.71
Order-in Ask the parts desk
57
T3700440
Clip, Hose, 11-12.5mm
Qty 1
Triumph has stock
$5.02
Order-in Ask the parts desk
58
T3620317
Pipe
Qty 1
Triumph has stock
$1.86
Order-in Ask the parts desk
59
T3620348
Pipe, Expansion Tank To T.stat
Qty 1
Triumph has stock
$8.35
Order-in Ask the parts desk
60
3450075-T0301
Grommet
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
61
T3551283
Washer, M10, 10.5x18x1.6, Slv
Qty 2
Triumph has stock
$1.86
Order-in Ask the parts desk
62
2102150-T0301
Sensor temperature
Qty 1
Triumph has stock
$37.84
Order-in Ask the parts desk
63
3550020-T0301
Sealing Washer, M10
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
64
T3331043
Screw, Pan/Hd, Tx, M6 x 12, Slv
Qty 1
Low stock at Triumph
$0.90
Order-in Ask the parts desk
65
3600160-T0301
O Ring, Water Pump
Qty 1
Triumph has stock
$8.35
Order-in Ask the parts desk
66
T3600230
Seal
Qty 1
Triumph has stock
$5.35
Order-in Ask the parts desk
67
T2102113
Clip, Hose, 20-32, Bright, Ss
Qty 4
Triumph has stock
$6.90
Order-in Ask the parts desk
68
T4007777
Coolant, OAT, Premix, D2053,12 x 1L
Qty -1
Not Illustrated
Triumph has stock
$173.26
Order-in 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.