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Radiator Cowls & Expansion Tank

Triumph Rocket 3 · Cooling System · 41 parts · 2 on the shelf in Brea

Exploded parts diagram — Radiator Cowls & Expansion Tank, Triumph Rocket 3

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

Motorcycles this catalogue covers

Rocket 3 Storm GT

Rocket 3 Storm R

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

Every part on this diagram

1

Surround, Radiator, Pntd, LH

Qty 1

Matt Jet Black/Jet Black Bikes

Triumph has stock

$336.75

Order-in Ask the parts desk

2

Surround, Radiator, Pntd, RH

Qty 1

Matt Jet Black/Jet Black Bikes

Triumph has stock

$336.75

Order-in Ask the parts desk

3

Surround, Rad Lower, Pntd

Qty 1

Matt Jet Black/Jet Black Bikes

Triumph has stock

$168.77

Order-in Ask the parts desk

4

Grille, Oil Cooler, Mldg

Qty 1

Triumph has stock

$16.40

Order-in Ask the parts desk

5

Bracket, Rad Cowl, Lower, Mldg

Qty 1

Triumph has stock

$71.61

Order-in Ask the parts desk

6

Expansion Tank, Mldg

Qty 1

Triumph has stock

$100.09

Order-in Ask the parts desk

7

Upper Rad Cowl, Pntd, LH

Qty 1

Matt Sapphire Black

Triumph has stock

$328.88

Order-in Ask the parts desk

8

Upper Rad Cowl, Pntd, RH

Qty 1

Matt Jet Black

Triumph’s Aug 14, 2026 date has passed, we’ll confirm

$328.88

On backorder Ask the parts desk

9

Cover, Rad Filler, HPDC

Qty 1

Low stock at Triumph

$58.34

Order-in Ask the parts desk

10

Cover, Rad Filler, Mldg

Qty 1

Triumph has stock

$20.69

Order-in Ask the parts desk

11

Bracket, Cover, Filler, Rad, Mldg

Qty 1

Triumph has stock

$9.06

Order-in Ask the parts desk

12

Retaining Bracket Cover

Qty 1

Triumph has stock

$5.67

Order-in Ask the parts desk

13

Bracket, Clutch Cover

Qty 1

Triumph has stock

$62.99

Order-in Ask the parts desk

14

Hose, Expansion Tank, Coolant

Qty 1

Triumph has stock

$22.62

Order-in Ask the parts desk

15

Hose, Coolant, Overflow

Qty 1

Triumph has stock

$22.62

Order-in Ask the parts desk

16

Clip, Hose, 11-12.5mm

Qty 3

Triumph has stock

$5.02

Order-in Ask the parts desk

17

Cap, Expansion Tank

Qty 1

Triumph has stock

$1.86

Order-in Ask the parts desk

18

Elbow, Overflow, Quickfit

Qty 1

Low stock at Triumph

$6.33

Order-in Ask the parts desk

19

Spacer, Rad Cowl, M6 x 61.5

Qty 1

Triumph has stock

$4.84

Order-in Ask the parts desk

20

Grommet, Pivot, Cowl

Qty 2

Triumph has stock

$4.65

Order-in Ask the parts desk

21

Bolt, HHF, Lghtd, M6 x 1.0 x 75, Slv

Qty 1

Low stock at Triumph

$4.12

Order-in Ask the parts desk

22

Nut, Captive, M5

Qty 8

Low stock at Triumph

$3.14

Order-in Ask the parts desk

23

Screw, But/Hd, M5 x 16, Blk

Qty 4

Triumph has stock

$7.83

Order-in Ask the parts desk

24

Screw, But/HD, M5 x 12. Slv

Qty 4

Availability unconfirmed

$0.83

Not on our shelf Ask the parts desk

25

Washer, Retaining, Dia 11.5

Qty 4

Low stock at Triumph

$1.05

Order-in Ask the parts desk

26

Screw, Lge Skt Hd, M6 X 1 X 25

Qty 2

Triumph has stock

$12.51

Order-in Ask the parts desk

27

Qty 2

Triumph has stock

$1.86

Order-in Ask the parts desk

28

Screw, S/Tap, Tx, 5 x 16

Qty 4

$1.40

In stock in Brea Ask the parts desk

29

Bolt, HHF, Lghtd, M6 x 16, Slv

Qty 2

Triumph has stock

$3.24

Order-in Ask the parts desk

30

Grommet, Rectangular

Qty 2

Triumph has stock

$2.73

Order-in Ask the parts desk

31

Screw, But/Hd, M6 x 12, Slv

Qty 3

No date from Triumph yet

$3.98

On backorder Ask the parts desk

32

Grommet, TPE, Quickfit

Qty 2

Low stock at Triumph

$2.01

Order-in Ask the parts desk

33

Plastic Rivet, Push Release

Qty 2

$0.90

In stock in Brea Ask the parts desk

34

Screw, But/Hd, M6 x 20, Slv

Qty 1

Triumph’s Aug 14, 2026 date has passed, we’ll confirm

$3.32

On backorder Ask the parts desk

35

Bolt, HHF, M6 x 12, Slv

Qty 1

Triumph has stock

$1.60

Order-in Ask the parts desk

36

Heat Sink, Reg Rec

Qty 1

Triumph has stock

$49.41

Order-in Ask the parts desk

37

Qty 1

Triumph has stock

$9.52

Order-in Ask the parts desk

38

Bolt, But/Hd, Skt, M6 x 16, S/S

Qty 1

Triumph has stock

$3.98

Order-in Ask the parts desk

39

Bracket, Filler Cap

Qty 1

Triumph has stock

$9.29

Order-in Ask the parts desk

40

Bolt, CSK, M3 x 20, BZP

Qty 1

Triumph has stock

$1.08

Order-in Ask the parts desk

41

Decal, Rad Cowl, Evel Knievel

Qty 2

No date from Triumph yet

$19.95

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.