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Engine Covers

Triumph Bonneville · Crankcase, Engine Covers, Lubrication System · 37 parts · 7 on the shelf in Brea

Exploded parts diagram — Engine Covers, 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

Clutch Cover Assy, Brushed

Qty 1

If your engine number is 370926 or lower

Triumph’s Aug 28, 2026 date has passed, we’ll confirm

$413.67

On backorder Ask the parts desk

1

Clutch Cover Assy, Brushed & Chromate

Qty 1

If your engine number is 370927 or higher

No longer supplied by Triumph

$401.62

Not on our shelf Ask the parts desk

1

Clutch Cover Assy, Black

Qty 1

If your engine number is 372712 or lower

Triumph has stock

$475.29

Order-in Ask the parts desk

1

Clutch Cover Assembly, Black

Qty 1

If your engine number is 372713 or higher

Triumph has stock

$475.29

Order-in Ask the parts desk

2

Qty 1

$2.09

In stock in Brea Ask the parts desk

3

Roller Bearing, HK 1210

Qty 2

$6.16

In stock in Brea Ask the parts desk

4

Bearing, Gearbox Lever

Qty 1

> Eng No 370926; > Eng No 372712 (Blk Covers)

Triumph has stock

$12.60

Order-in Ask the parts desk

4

Bearing, Needle, 20 x 14 x 12

Qty 1

Eng No 370927 >; Eng No 372713 > (Blk Covers)

Low stock at Triumph

$7.96

Order-in Ask the parts desk

5

Qty 1

> Eng No 370926; > Eng No 372712 (Blk Covers)

Low stock at Triumph

$11.14

Order-in Ask the parts desk

5

Seal, Oil, 14 x 22 x 4.5

Qty 1

Eng No 370927 >; Eng No 372713 > (Blk Covers)

$5.92

In stock in Brea Ask the parts desk

6

Bracket, Neut ID Lead, Ret

Qty 1

Triumph has stock

$7.71

Order-in Ask the parts desk

7

Gasket, Clutch Cover

Qty 1

$10.44

In stock in Brea Ask the parts desk

8

Bolt, RHHF, Domed, M6 x 20

Qty 7

No longer supplied by Triumph

No longer available

Not on our shelf Ask the parts desk

9

Bolt, RHHF Domed, M6 x 40

Qty 14

Triumph has stock

$1.60

Order-in Ask the parts desk

10

Dowel, Dia 6 x 16.5

Qty 8

Low stock at Triumph

$1.05

Order-in Ask the parts desk

11

Clutch Lifter Arm

Qty 1

Triumph has stock

$76.60

Order-in Ask the parts desk

12

Bullet, Clutch Lifter

Qty 1

Triumph has stock

$34.34

Order-in Ask the parts desk

13

Qty 1

Triumph has stock

$2.36

Order-in Ask the parts desk

14

Clutch Cable Holder / Guide

Qty 1

No date from Triumph yet

$10.01

On backorder Ask the parts desk

15

Alternator Cover, Brushed & Chromate

Qty 1

Triumph has stock

$191.88

Order-in Ask the parts desk

15

Cover, RH, Black

Qty 1

Triumph has stock

$191.88

Order-in Ask the parts desk

16

Gasket, RH Cover

Qty 1

$7.47

In stock in Brea Ask the parts desk

17

Bolt, Domed, S/S, M6 x 50

Qty 11

Triumph has stock

$6.24

Order-in Ask the parts desk

18

Triumph Badge, Triangular

Qty 1

Triumph has stock

$12.34

Order-in Ask the parts desk

18

Badge, Triumph, Triangular

Qty 1

For use on black cover

Triumph has stock

$12.34

Order-in Ask the parts desk

19

Plate, Wire Retainer

Qty 1

Triumph has stock

$5.69

Order-in Ask the parts desk

20

Screw, M6 x 12, Enc, Raw

Qty 1

$1.36

In stock in Brea Ask the parts desk

21

Cover, Gearchange Mech, Black

Qty 1

Triumph has stock

$126.74

Order-in Ask the parts desk

22

Gasket, Gearchange Mech Cover

Qty 1

Low stock at Triumph

$7.83

Order-in Ask the parts desk

23

Bolt, HHF, Lghtd, M6 x 16, Slv

Qty 2

Triumph has stock

$3.24

Order-in Ask the parts desk

24

Sprocket Cover, Brushed & Chromate

Qty 1

Triumph has stock

$161.95

Order-in Ask the parts desk

24

Sprocket Cover, Crinkle Black

Qty 1

Triumph has stock

$137.32

Order-in Ask the parts desk

25

Bolt, RHHF, M6 x 75 S/Less

Qty 5

PART NO LONGER AVAILABLE

No longer supplied by Triumph

No longer available

Not on our shelf Ask the parts desk

26

Label, Oil & Filter

Qty 1

Low stock at Triumph

$5.27

Order-in Ask the parts desk

27

Plate, Sound Pad, Clutch Cover

Qty 1

Triumph has stock

$13.39

Order-in Ask the parts desk

28

Pad, Sound Suppression

Qty 1

Triumph has stock

$40.08

Order-in Ask the parts desk

29

Screw, Pan/Hd, Tx, M6 x 12, Enc

Qty 8

$1.30

In stock in Brea 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.