Returns on eligible items

Engine Management System

Triumph Bonneville · Electrical System · 24 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
T1293275
ECU Base
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$1068.86
On backorder Order through the parts desk
2
T1290745
Spark Plug, M10 x 26.5, Hex 14
Qty 2
All except BR
$9.83
In stock in Brea
2
T1290759
Spark Plug, M10 x 26.5, Hex 14
Qty 2
BR only
Backordered at Triumph · we’ll confirm the ship date after you order
$10.66
On backorder Order through the parts desk
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
T1245095
Cap, Evap
Qty 1
$6.33
Available
9
T1294135
Ignition Coil, Long
Qty 1
$180.55
Available
10
T1294120
Ignition Coil
Qty 1
$149.73
Available
11
T3330648
Screw, Pan/Hd, Tx, M5 x 20, Slv
Qty 4
$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
T2204258
Oxygen Sensor, PT, M12, 250mm
Qty 2
1 off for All Markets - 1 extra for AR,EF,GP,GR,HK,IN,JP,KR,TW,UK,XA,ZA Only
$208.52
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
Low stock at Triumph
$2.01
Limited availability
18
T1295678
Gear Position Sensor
Qty 1
$110.89
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
T1290499
Hose, Single Map Sensor, Med
Qty 1
$26.24
Available
22
T1242929
Connector, 4 Way
Qty 1
$10.10
Available
23
T1290882
Seal, Spark Plug Cap
Qty 2
$6.16
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.