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Cooling System

Triumph Bonneville · Cooling System · 36 parts · 3 on the shelf in Brea

Exploded parts diagram — Cooling System, Triumph Bonneville

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

Motorcycles this catalogue covers

Bonneville T100

Bonneville T120

Bonneville T120 Black

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

Every part on this diagram

1

Qty 1

No date from Triumph yet

$475.29

On backorder Ask the parts desk

2

Radiator/Fan Assembly

Qty 1

Availability unconfirmed

No longer available

Not on our shelf Ask the parts desk

3

Flanged Sleeve, 6.4 x 10 x 8.5

Qty 1

Triumph has stock

$5.35

Order-in Ask the parts desk

4

Grommet, 13 x 3 x 10

Qty 3

Triumph has stock

$1.77

Order-in Ask the parts desk

5

Bolt, HHF, Lghtd, M6 x 25, Slv

Qty 1

$2.27

In stock in Brea Ask the parts desk

6

Qty 1

Triumph’s Aug 7, 2026 date has passed, we’ll confirm

$63.35

On backorder Ask the parts desk

7

Seal, Thermostat

Qty 1

$6.61

In stock in Brea Ask the parts desk

8

Bolt, HHF, LGHTD, M6 x 28, Slv

Qty 2

Triumph has stock

$2.29

Order-in Ask the parts desk

9

Cover, Water Outlet

Qty 1

Triumph has stock

$51.04

Order-in Ask the parts desk

10

Coolant Manifold

Qty 1

Triumph has stock

$119.69

Order-in Ask the parts desk

11

Sealing Ring, Coolant Manifold

Qty 1

Triumph has stock

$13.58

Order-in Ask the parts desk

12

Bolt, RHHF, M6x25, Encaps

Qty 5

Triumph’s Aug 7, 2026 date has passed, we’ll confirm

$2.53

On backorder Ask the parts desk

13

Dowel, Dia 6 x 16.5

Qty 2

Low stock at Triumph

$1.05

Order-in Ask the parts desk

14

Qty 1

Triumph has stock

$27.46

Order-in Ask the parts desk

15

O Ring, ID 21.5 x 3

Qty 4

$3.14

In stock in Brea Ask the parts desk

16

T Piece Assy, Coolant

Qty 1

Low stock at Triumph

$35.04

Order-in Ask the parts desk

17

Hose, Coolant, Rad to Engine

Qty 1

Triumph has stock

$12.66

Order-in Ask the parts desk

18

Clamp, Constant Tension, Dia 30

Qty 4

Triumph has stock

$12.95

Order-in Ask the parts desk

19

Clamp, Constant Tension, Dia 23

Qty 1

Triumph has stock

$12.95

Order-in Ask the parts desk

20

Filler Neck, Coolant

Qty 1

Low stock at Triumph

$72.48

Order-in Ask the parts desk

21

Screw, Pan/HD, TPT, Tx, M5 x 12

Qty 1

No date from Triumph yet

$0.90

On backorder Ask the parts desk

21

Screw, But/Hd, M5 X 16, Slv

Qty 1

Triumph has stock

$5.27

Order-in Ask the parts desk

22

Nut, Captive, M5

Qty 1

Low stock at Triumph

$3.14

Order-in Ask the parts desk

24

Screw, But/Hd, M5 x 10, Blk, Enc

Qty 2

Low stock at Triumph

$0.90

Order-in Ask the parts desk

25

Expansion Tank Cover

Qty 1

No date from Triumph yet

$32.89

On backorder Ask the parts desk

26

Qty 1

No date from Triumph yet

$57.56

On backorder Ask the parts desk

27

Cap, Expansion Tank

Qty 1

Triumph has stock

$1.86

Order-in Ask the parts desk

28

Hose, Rad to Expansion Tank

Qty 1

Triumph has stock

$14.77

Order-in Ask the parts desk

29

Hose, Expansion Tank Overflow

Qty 1

Triumph has stock

$49.29

Order-in Ask the parts desk

30

Screw, But/Hd, M6 x 20, Slv

Qty 2

Triumph has stock

$3.14

Order-in Ask the parts desk

31

Clip, Hose, 11-12.5mm

Qty 3

Triumph has stock

$5.02

Order-in Ask the parts desk

32

Clip, Rear Brake Hose

Qty 1

Triumph has stock

$2.81

Order-in Ask the parts desk

33

Elbow, Overflow, Quickfit

Qty 1

Low stock at Triumph

$6.33

Order-in Ask the parts desk

34

Grommet, TPE, Quickfit

Qty 1

Low stock at Triumph

$2.01

Order-in Ask the parts desk

35

Sleeve, Flanged, 6.4 x 10 x 6.5

Qty 2

Triumph has stock

$3.32

Order-in Ask the parts desk

36

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.