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Exhaust System

Triumph Thruxton 400 · Fuel & Exhaust Systems · 24 parts · 1 on the shelf in Brea

Exploded parts diagram — Exhaust System, 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
TA591538
Muffler Assembly, Primary
Qty 1
All expt BR
Triumph’s Aug 14, 2026 date has passed, we’ll confirm
$697.38
On backorder Ask the parts desk
1
TA591498
Muffler Assembly, Primary
Qty 1
BR Only
No date from Triumph yet
$697.38
On backorder Ask the parts desk
2
TA591374
Assembly, Muffler, Secondary
Qty 1
US Only
Triumph’s Aug 7, 2026 date has passed, we’ll confirm
$585.81
On backorder Ask the parts desk
3
TA591205
Nut, Clip, M8
Qty 2
Triumph has stock
$1.05
Order-in Ask the parts desk
4
LAD00328
Bolt, Flanged, M8 x 1.25
Qty 2
Triumph has stock
$1.05
Order-in Ask the parts desk
5
JY591303
Grommet Shield Muffler
Qty 1
Triumph has stock
$0.43
Order-in Ask the parts desk
6
PD591845
Oxygen Sensor
Qty 2
No date from Triumph yet
$184.11
On backorder Ask the parts desk
7
TA591206
Gasket, Exhaust
Qty 1
Triumph’s Aug 7, 2026 date has passed, we’ll confirm
$10.06
On backorder Ask the parts desk
8
TA591434
Nut, Domed Cap Flanged, M8 x 1.25
Qty 2
Triumph’s Aug 21, 2026 date has passed, we’ll confirm
$0.56
On backorder Ask the parts desk
9
TA181240
Collar
Qty 1
Triumph has stock
$2.93
Order-in Ask the parts desk
10
DJ181065
Clip Nut M6
Qty 3
Triumph has stock
$0.62
Order-in Ask the parts desk
11
LBU00204
Screw, Btn Hd, M6 x 1
Qty 2
No date from Triumph yet
$1.57
On backorder Ask the parts desk
12
TA591273
Shield Catalyst
Qty 1
No date from Triumph yet
$39.06
On backorder Ask the parts desk
13
TA591321
Shield Assembly lii
Qty 1
No date from Triumph yet
$39.06
On backorder Ask the parts desk
14
TA591032
Clamp
Qty 1
Triumph has stock
$14.12
Order-in Ask the parts desk
15
JP591033
Gasket Muffler Secondary
Qty 1
$8.54
In stock in Brea · last ones Ask the parts desk
16
KCGD0808
Nut Hex Flanged
Qty 1
Triumph has stock
$0.43
Order-in Ask the parts desk
17
JY591245
Collar
Qty 2
Triumph has stock
$3.54
Order-in Ask the parts desk
18
JY591246
Damper Muffler
Qty 1
Triumph has stock
$0.73
Order-in Ask the parts desk
19
LBU00233
Bolt, Flanged, M8 x 1.25
Qty 1
Triumph has stock
$3.14
Order-in Ask the parts desk
20
TA591092
Shield Muffler
Qty 1
Triumph has stock
$16.99
Order-in Ask the parts desk
21
TA591094
End Cap Assembly
Qty 1
Triumph has stock
$127.43
Order-in Ask the parts desk
22
LBU00203
Screw, Btn Hd, M6 x 1
Qty 5
Triumph has stock
$1.36
Order-in Ask the parts desk
23
JW591030
Grommet, Shield
Qty 1
No date from Triumph yet
$0.52
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.