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Engine Management System

Triumph Bonneville · Electrical System · 22 parts · 3 on the shelf in Brea

Exploded parts diagram — Engine Management System, Triumph Bonneville

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

Motorcycles this catalogue covers

Bonneville T100
2008–2026
Bonneville T120
2016–2026
Bonneville T120 Black
2020–2026

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

Every part on this diagram

1
T1290730
ECM Base
Qty 1
All Except CN & IN
Triumph has stock
$686.55
Order-in Ask the parts desk
2
T1290745
Spark Plug, M10 x 26.5, Hex 14
Qty 2
$9.83
In stock in Brea Ask the parts desk
3
T1290755
Hose, Map Sensor
Qty 1
Triumph’s Aug 28, 2026 date has passed, we’ll confirm
$3.81
On backorder Ask the parts desk
4
T1290975
Air Pressure Sensor
Qty 2
Triumph has stock
$133.79
Order-in Ask the parts desk
5
T3331260
Screw, Thread Forming, 5 x 20
Qty 2
Low stock at Triumph
$9.58
Order-in Ask the parts desk
6
T3350129
Nut, Captive, M5
Qty 5
Low stock at Triumph
$3.14
Order-in Ask the parts desk
7
T1290812
Hose, Ambient Pressure
Qty 1
Triumph has stock
$28.36
Order-in Ask the parts desk
8
T1290321
Ignition Coil Assy, Long
Qty 1
Triumph has stock
$193.62
Order-in Ask the parts desk
9
T1290308
Ignition Coil Assy, Short
Qty 1
Triumph has stock
$184.79
Order-in Ask the parts desk
10
T3330648
Screw, Pan/Hd, Tx, M5 x 20, Slv
Qty 5
Triumph has stock
$2.43
Order-in Ask the parts desk
11
T1290990
Cap, Spark Plug
Qty 2
Includes Seal T1290882
Triumph has stock
$16.19
Order-in Ask the parts desk
12
T1294225
Sensor, Water Temperature
Qty 1
Triumph has stock
$49.44
Order-in Ask the parts desk
13
T3550571
Washer, Cu, OD 16 x ID 12.5
Qty 1
Low stock at Triumph
$4.70
Order-in Ask the parts desk
14
T2204062
Oxygen Sensor, M12
Qty 2
No date from Triumph yet
$202.84
On backorder Ask the parts desk
15
T1290088
Sensor, Air Temperature
Qty 1
Triumph has stock
$59.95
Order-in Ask the parts desk
16
T3332464
Screw, S/Tap, Tx, 5 x 25
Qty 1
Triumph has stock
$2.01
Order-in Ask the parts desk
17
T1291984
Gear Position Sensor
Qty 1
All Except CN & IN
Triumph has stock
$121.46
Order-in Ask the parts desk
18
T3205066
Bolt, HHF, Lghtd, M6 x 20, Slv
Qty 2
$4.21
In stock in Brea Ask the parts desk
19
T3600267
O Ring, ID 26.65 x Dia 2.62
Qty 2
$1.40
In stock in Brea Ask the parts desk
20
T1290882
Seal, Spark Plug Cap
Qty 2
Triumph has stock
$6.16
Order-in Ask the parts desk
21
T1291071
Pressure Sensor Bracket
Qty 1
No date from Triumph yet
$8.24
On backorder Ask the parts desk
22
T3330659
Screw, Pan/Hd, TX, M5 x 25, Enc
Qty 1
Triumph’s Aug 7, 2026 date has passed, we’ll confirm
$3.45
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.