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Rear Master Cylinder

Triumph Thruxton 400 · Braking System · 22 parts

Exploded parts diagram — Rear Master Cylinder, Triumph Thruxton 400

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

Motorcycles this catalogue covers

Thruxton 400
2026

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

Every part on this diagram

1
TA131847
Rear Master Cylinder Assembly
Qty 1
Triumph’s Aug 14, 2026 date has passed, we’ll confirm
$178.52
On backorder Ask the parts desk
2
LAC00115
Bolt, Socket, M6 x 1 x 18, Blk, Precoat
Qty 2
Triumph has stock
$0.43
Order-in Ask the parts desk
3
LHE00021
Clevis Pin, Dia 6
Qty 1
Triumph has stock
$0.73
Order-in Ask the parts desk
4
39178924
Nylon Washer
Qty 1
Triumph has stock
$0.09
Order-in Ask the parts desk
5
KHAA2015
Pin Cotter
Qty 1
Triumph has stock
$0.09
Order-in Ask the parts desk
6
TA161026
Brake Pedal Assembly
Qty 1
Low stock at Triumph
$78.09
Order-in Ask the parts desk
7
LBU00236
Screw Skt Step M8 x 1.25
Qty 1
Triumph has stock
$3.29
Order-in Ask the parts desk
8
LDB00151
Plain Washer
Qty 1
Triumph has stock
$1.47
Order-in Ask the parts desk
9
JG161001
Tension Spring
Qty 1
Triumph has stock
$0.61
Order-in Ask the parts desk
10
36TA0081
Rear Tube Kit
Qty 1
Not Illustrated
Triumph’s Aug 14, 2026 date has passed, we’ll confirm
$5.70
On backorder Ask the parts desk
11
LBU00239
Screw
Qty 1
No date from Triumph yet
$0.52
On backorder Ask the parts desk
12
JP131879
Grommet
Qty 1
No date from Triumph yet
$0.32
On backorder Ask the parts desk
13
TA131859
Bracket, Rear Reservoir
Qty 1
No date from Triumph yet
$1.67
On backorder Ask the parts desk
14
TA131812
Reservoir Bracket
Qty 1
No date from Triumph yet
$2.47
On backorder Ask the parts desk
15
KACA0820
Bolt, Socket, M8 x 1.25
Qty 1
Triumph’s Aug 28, 2026 date has passed, we’ll confirm
$0.56
On backorder Ask the parts desk
16
TA131864
Bush
Qty 1
No date from Triumph yet
$3.00
On backorder Ask the parts desk
17
36TA0192
Rubber Tube Kit
Qty 1
No date from Triumph yet
$3.01
On backorder Ask the parts desk
18
YTA02021
Rear Reservoir
Qty 1
No date from Triumph yet
$24.62
On backorder Ask the parts desk
19
YTA02023
Rear Reservoir Cap
Qty 1
Triumph has stock
$5.47
Order-in Ask the parts desk
20
36TA0120
Kit, Rear Reservoir
Qty 1
Not Illustrated
No date from Triumph yet
$30.49
On backorder Ask the parts desk
21
YJP89048
Rear M/Cyl Piston Assy Kit
Qty 1
Not Illustrated
No date from Triumph yet
$191.94
On backorder Ask the parts desk
22
36JP0173
Rear M/Cyl Fork Assy Kit
Qty 1
Not Illustrated
No date from Triumph yet
$6.70
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.