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Alternator/Starter

If the last 6 of your VIN are 171120 or lower

Triumph Speed Four · Electrical System · 22 parts · 2 on the shelf in Brea

Exploded parts diagram — Alternator/Starter, Triumph Speed Four

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

Motorcycles this catalogue covers

Speed Four
Choose your year

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

Every part on this diagram

1
T1300149
Rotor, Alternator
Qty 1
No date from Triumph yet
$977.00
On backorder Ask the parts desk
2
T1300148
Kit, Alternator
Qty 1
Part No Longer Available
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
3
T3330836
Bolt, Cap/Hd, M12 x 30, Raw
Qty 1
Triumph has stock
$6.68
Order-in Ask the parts desk
4
T3550846
Washer, M12 x 30 x 8
Qty 1
Triumph has stock
$10.22
Order-in Ask the parts desk
5
T1300895
Key, Woodruff
Qty 1
Triumph has stock
$7.19
Order-in Ask the parts desk
6
T3051135
Screw, Cap/Hd, M6 x 30, Enc
Qty 3
Triumph has stock
$0.98
Order-in Ask the parts desk
7
T1261082
Plate
Qty 1
No longer supplied by Triumph
$9.50
Not on our shelf Ask the parts desk
8
T3051069
Screw, Cap/Hd, M6 x 10, Enc, Raw
Qty 1
Triumph has stock
$1.18
Order-in Ask the parts desk
9
T1308463
Regulator Rectifier Spares Kit
Qty 1
Triumph has stock
$448.88
Order-in Ask the parts desk
10
T3205067
Bolt, HHF, Lghtd, M6 x 25, Slv
Qty 4
$2.27
In stock in Brea Ask the parts desk
11
T1310805
Starter motor
Qty 1
No longer supplied by Triumph → replaced by T3555007
No longer available
Not on our shelf Ask the parts desk
12
T1310808
Wire lead
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
13
T1310809
Boot cover
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
14
T1310807
Boot cover
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
15
T3600115
O Ring
Qty 1
Triumph’s Sep 4, 2026 date has passed, we’ll confirm
$3.14
On backorder Ask the parts desk
16
3550018-T0301
Spring Washer
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
17
T3350300
Nut, M6 x 1.0, Slv
Qty 1
$0.87
In stock in Brea Ask the parts desk
18
T1310008
Starter Solenoid Assy
Qty 1
Triumph has stock
$67.75
Order-in Ask the parts desk
19
T3330728
Screw, Pan/Hd, Tx, M5 x 16, Enc
Qty 1
Triumph has stock
$0.90
Order-in Ask the parts desk
20
T1310038
Starter Solenoid, Bracket
Qty 1
Triumph’s Aug 21, 2026 date has passed, we’ll confirm
$3.71
On backorder Ask the parts desk
21
T3350003
Locknut, Flanged, M6 x 1
Qty 2
Triumph has stock
$0.62
Order-in Ask the parts desk
22
1310009-T0301
Terminal Kit, Starter Solenoid
Qty 1
Not Illustrated
Triumph’s Aug 14, 2026 date has passed, we’ll confirm
$11.69
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.