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Engine Management

Triumph Speed 400 · Electrical System · 21 parts · 3 on the shelf in Brea

Exploded parts diagram — Engine Management, Triumph Speed 400

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

Motorcycles this catalogue covers

Speed 400
2024–2026

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

Every part on this diagram

1
TA351404
ECU EMS
Qty 1
$702.27
In stock in Brea Ask the parts desk
2
TA351800
Gear Indicator Sensor
Qty 1
Includes Crank Position Sensor
Triumph has stock
$160.86
Order-in Ask the parts desk
3
JG351805
Sensor, T Map
Qty 1
Triumph has stock
$74.03
Order-in Ask the parts desk
4
LBU00045
Screw, Btn Hd, M6 x 1 x 10, Precoat
Qty 1
Triumph has stock
$0.32
Order-in Ask the parts desk
5
JP351801
Pressure Sensor
Qty 1
Triumph has stock
$98.24
Order-in Ask the parts desk
6
TA351405
Holder, ECU
Qty 1
Triumph’s Aug 21, 2026 date has passed, we’ll confirm
$9.75
On backorder Ask the parts desk
7
TA351211
Ignition Coil Assembly
Qty 1
Triumph has stock
$57.46
Order-in Ask the parts desk
8
KACA0622
Bolt, Socket, M6 x 1
Qty 2
Triumph has stock
$0.43
Order-in Ask the parts desk
9
JG351400
Temperature Sensor
Qty 1
Triumph has stock
$18.41
Order-in Ask the parts desk
10
JY351206
Spark Plug
Qty 1
$14.73
In stock in Brea Ask the parts desk
11
JP351209
Grommet, Spark Plug
Qty 1
Triumph has stock
$0.43
Order-in Ask the parts desk
13
TA541216
Bracket, Harness
Qty 1
Triumph has stock
$2.41
Order-in Ask the parts desk
14
LAE00010
Bolt, Flanged, M5 x 0.8
Qty 3
Triumph has stock
$0.20
Order-in Ask the parts desk
15
TA541032
Plate, Harness
Qty 1
No date from Triumph yet
$2.82
On backorder Ask the parts desk
16
JP591065
Oxygen Sensor
Qty 1
Low stock at Triumph
$214.66
Order-in Ask the parts desk
17
AA101437
Bolt, Flanged, M6 x 1
Qty 1
Triumph has stock
$0.32
Order-in Ask the parts desk
21
TA351201
Cap Spark Plug
Qty 1
Triumph has stock
$17.69
Order-in Ask the parts desk
22
JY351203
Grommet, Spark Plug Cap
Qty 1
Triumph has stock
$1.26
Order-in Ask the parts desk
23
DD111012
Grommet, HT Cable
Qty 1
Triumph has stock
$1.66
Order-in Ask the parts desk
24
LJA00004
O Ring
Qty 1
$0.19
In stock in Brea Ask the parts desk
26
TA351212
Cover, Coil Ignition
Qty 1
Not Illustrated
Triumph has stock
$2.82
Order-in 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.