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Rear Brake Master Cylinder, Reservoir & Pedal

Triumph Rocket III · Braking System · 32 parts · 1 on the shelf in Brea

Exploded parts diagram — Rear Brake Master Cylinder, Reservoir & Pedal, Triumph Rocket III

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

Motorcycles this catalogue covers

Rocket III
2005–2018

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

Every part on this diagram

1
T2021990
Master Cylinder Assy, Rear
Qty 1
Triumph has stock
$271.12
Order-in Ask the parts desk
2
T2025402
Connector Set
Qty 1
Triumph has stock
$24.03
Order-in Ask the parts desk
3
T2020031
Piston Set
Qty 1
Triumph has stock
$58.06
Order-in Ask the parts desk
4
T2020472
Circlip, M'cyl, Rear
Qty 1
Triumph has stock
$2.53
Order-in Ask the parts desk
5
T2020489
Rod Assy
Qty 1
Triumph has stock
$39.27
Order-in Ask the parts desk
6
T2022115
Reservoir Body, Rear M/Cyl
Qty 1
Triumph’s Aug 28, 2026 date has passed, we’ll confirm
$100.32
On backorder Ask the parts desk
7
T2022116
Reservoir Cap, Rear M/Cyl
Qty 1
Triumph has stock
$36.28
Order-in Ask the parts desk
8
T2022117
Reservoir Seal, Rear M/Cyl
Qty 1
Triumph has stock
$16.98
Order-in Ask the parts desk
9
T2022118
Reservoir Screw, Rear M/Cyl
Qty 2
Triumph has stock
$1.66
Order-in Ask the parts desk
10
T2022119
Reservoir Insert, Rear M/Cyl
Qty 1
Triumph has stock
$5.54
Order-in Ask the parts desk
11
T2023188
Reservoir Hose Clip
Qty 2
Triumph has stock
$3.24
Order-in Ask the parts desk
12
T2022125
Hose, Reservoir, Rear M/Cyl
Qty 1
No date from Triumph yet
$31.32
On backorder Ask the parts desk
13
T3050321
Screw, Cap/Hd, M8 x 20, Slv
Qty 2
If the last 6 of your VIN are 448276 or lower
Triumph has stock
$6.87
Order-in Ask the parts desk
13
T3050321
Screw, Cap/Hd, M8 x 20, Slv
Qty 2
If the last 6 of your VIN are 448277 or higher
Triumph has stock
$6.87
Order-in Ask the parts desk
14
T3350012
Locknut, Flgd, M6, Black, Zinc
Qty 1
If the last 6 of your VIN are 476287 or lower
Triumph has stock
$1.05
Order-in Ask the parts desk
14
T3350003
Locknut, Flanged, M6 x 1
Qty 1
If the last 6 of your VIN are 476288 or higher
Triumph has stock
$0.62
Order-in Ask the parts desk
15
T2023452
Brake Pedal Assembly
Qty 1
Triumph has stock
$170.73
Order-in Ask the parts desk
16
T2023455
Rubber, Brake pedal
Qty 1
Triumph has stock
$35.82
Order-in Ask the parts desk
17
T3331650
Bolt, Shld, M10
Qty 1
Triumph has stock
$10.71
Order-in Ask the parts desk
18
T2025506
Spring, Brake Pedal Return
Qty 1
Triumph has stock
$6.96
Order-in Ask the parts desk
19
T3000301
Pin, Clevis, 8 x 13.7
Qty 1
Triumph has stock
$3.98
Order-in Ask the parts desk
20
T3000302
Clip, 8mm, Clevis Pin
Qty 1
Not ABS Version
Triumph has stock
$5.62
Order-in Ask the parts desk
20
T3000302
Clip, 8mm, Clevis Pin
Qty 1
ABS Version
Triumph has stock
$5.62
Order-in Ask the parts desk
21
T3550229
Washer, 15.2 x 10 x 1, Plated
Qty 8
Not ABS Version
$0.99
In stock in Brea Ask the parts desk
22
T3250125
Bolt, Banjo, M10 x 21
Qty 3
Not ABS Version
Low stock at Triumph
$6.50
Order-in Ask the parts desk
23
T2023138
Brake Line Assy, Hard
Qty 1
Not ABS Version
Triumph has stock
$75.69
Order-in Ask the parts desk
24
T2023120
Switch, Rear Brake
Qty 1
Not ABS Version
Triumph has stock
$38.37
Order-in Ask the parts desk
25
T2023139
Adaptor, Inline, Brake Switch
Qty 1
Not ABS Version
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
26
T3050323
Screw, Cap/Hd, M8 x 30, Slv
Qty 1
Not ABS Version
Triumph has stock
$4.39
Order-in Ask the parts desk
27
T2023143
Brake Line Assy, Flexi
Qty 1
Not ABS Version
Triumph has stock
$80.99
Order-in Ask the parts desk
28
T3330334
Screw, Tx, Pan/Hd, M6 x 16, Slv
Qty 2
Not ABS Version
Low stock at Triumph
$2.43
Order-in Ask the parts desk
29
T2020269
Guide, Brake Hose
Qty 1
Triumph’s Aug 14, 2026 date has passed, we’ll confirm
$6.61
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.