Returns on eligible items

Engine Management System

Triumph Bonneville · Electrical System · 25 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.

Triumph lists this drawing for the Bonneville T120, Bonneville T120 Diamond, Bonneville T120 Bud Ekins, Bonneville T120 Black, Bonneville T120 Ace, Bonneville T100, Bonneville T100 Bud Ekins, Bonneville T100 BLACK, Bonneville T120 Black DGR LE, Bonneville T120 Elvis Edition. Triumph builds more than one machine in this book and they do not all take the same parts. Tell us which one you ride →

Motorcycles this catalogue covers

Bonneville T100
2008–2026
Bonneville T120
2016–2026
Bonneville T120 Black
2020–2026
Bonneville T100 Black
2017–2020

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
Low stock at Triumph
$686.55
Limited availability
2
T1290745
Spark Plug, M10 x 26.5, Hex 14
Qty 2
$9.83
In stock in Brea
3
T1290301
Hose, Single Map Sensor, LH
Qty 1
$26.93
Available
4
T1290302
Hose, Single Map Sensor, RH
Qty 1
$26.76
Available
5
T1290975
Air Pressure Sensor
Qty 2
$133.79
Available
6
T3331260
Screw, Thread Forming, 5 x 20
Qty 1
$9.58
Available
7
T3350129
Nut, Captive, M5
Qty 5
Low stock at Triumph
$3.14
Limited availability
8
T1290812
Hose, Ambient Pressure
Qty 1
$28.36
Available
9
T1290321
Ignition Coil Assy, Long
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$193.62
On backorder
10
T1290308
Ignition Coil Assy, Short
Qty 1
$184.79
Available
11
T3330648
Screw, Pan/Hd, Tx, M5 x 20, Slv
Qty 5
$2.43
Available
12
T1290990
Cap, Spark Plug
Qty 2
Includes Seal T1290882
$16.19
Available
13
T1294225
Sensor, Water Temperature
Qty 1
$49.44
Available
14
T3550571
Washer, Cu, OD 16 x ID 12.5
Qty 1
$4.70
Available
15
T2204062
Oxygen Sensor, M12
Qty 2
$202.84
Available
16
T1290088
Sensor, Air Temperature
Qty 1
Low stock at Triumph
$59.95
Limited availability
17
T3332464
Screw, S/Tap, Tx, 5 x 25
Qty 1
All Except CN
Low stock at Triumph
$2.01
Limited availability
18
T1291984
Gear Position Sensor
Qty 1
All Except CN
$121.46
Available
19
T3205066
Bolt, HHF, Lghtd, M6 x 20, Slv
Qty 2
$4.21
In stock in Brea · last ones
20
T3600267
O Ring, ID 26.65 x Dia 2.62
Qty 2
$1.99
In stock in Brea
21
T1290303
Hose, Single Map Sensor, Short
Qty 1
All Except CN
$26.76
Available
22
T1243154
Connector, T-Piece
Qty 1
$2.53
Available
23
T1290882
Seal, Spark Plug Cap
Qty 2
$6.16
Available
24
T1291071
Pressure Sensor Bracket
Qty 1
CN Only
Backordered at Triumph · we’ll confirm the ship date after you order
$8.24
On backorder Order through the parts desk
25
T3330659
Screw, Pan/Hd, TX, M5 x 25, Enc
Qty 1
CN Only
$3.45
Available

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 Oct 15, 2026.