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Rear Brake Master Cylinder

Triumph Thunderbird & Thunderbird Sport · Braking System · 22 parts · 1 on the shelf in Brea

Exploded parts diagram — Rear Brake Master Cylinder, 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
T2023135
Master cylinder assembly
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
2
2023140-T0301
Master cylinder
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
3
2020430-T0301
Reservoir
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
4
T2020415
Hose
Qty 1
No longer supplied by Triumph
$26.75
Not on our shelf Ask the parts desk
5
2020440-T0301
Clip, Reservoir, M/Cyl, Rear
Qty 2
Triumph has stock
$2.64
Order-in Ask the parts desk
6
T2020031
Piston Set
Qty 1
Triumph has stock
$58.06
Order-in Ask the parts desk
7
T2020472
Circlip, M'cyl, Rear
Qty 1
Triumph has stock
$2.53
Order-in Ask the parts desk
8
2020476-T0301
Connector Set, M/Cyl Rear
Qty 1
Low stock at Triumph
$19.97
Order-in Ask the parts desk
9
T2020489
Rod Assy
Qty 1
Triumph has stock
$39.27
Order-in Ask the parts desk
10
T3000301
Pin, Clevis, 8 x 13.7
Qty 1
Triumph has stock
$3.98
Order-in Ask the parts desk
11
T2023118
Brake hose
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
12
T3550229
Washer, 15.2 x 10 x 1, Plated
Qty 4
$0.99
In stock in Brea Ask the parts desk
13
T2023120
Switch, Rear Brake
Qty 1
Triumph has stock
$38.37
Order-in Ask the parts desk
14
T3250125
Bolt, Banjo, M10 x 21
Qty 1
Low stock at Triumph
$6.50
Order-in Ask the parts desk
15
3210035-T0301
Screw, Torx, M6 x 20
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
16
T3205109
Bolt, HHF, Lghtd, M8 x 45, Slv
Qty 2
Triumph has stock
$4.74
Order-in Ask the parts desk
17
T2020380
Brake pedal
Qty 1
Triumph’s Aug 21, 2026 date has passed, we’ll confirm
$181.31
On backorder Ask the parts desk
18
T3750006
Bush
Qty 1
Low stock at Triumph
$9.43
Order-in Ask the parts desk
19
T2020017
Return spring
Qty 1
Triumph has stock
$7.28
Order-in Ask the parts desk
20
T3000302
Clip, 8mm, Clevis Pin
Qty 1
Triumph has stock
$5.62
Order-in Ask the parts desk
21
T2020426
Cover
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
22
T2020018
Sleeve
Qty 1
No date from Triumph yet
$3.08
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.