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Swinging Arm (Plus 102063 to 102074 inclusive)

If the last 6 of your VIN are 101853 or lower

Triumph Thunderbird & Thunderbird Sport · Rear Swinging Arm & Rear Suspension · 24 parts · 1 on the shelf in Brea

Exploded parts diagram — Swinging Arm (Plus 102063 to 102074 inclusive), Triumph Thunderbird & Thunderbird Sport

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

Motorcycles this catalogue covers

Thunderbird & Thunderbird Sport
1999

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

Every part on this diagram

1
T2056763
Swinging arm assembly
Qty 1
Includes bearings Long extension Black
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
2
3450007-T0301
Grease nipple
Qty 2
No date from Triumph yet
$1.77
On backorder Ask the parts desk
3
3450008-T0301
Grease cap
Qty 2
* PART NO LONGER AVAILABLE *
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
4
3450190-T0301
End cap
Qty 2
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
5
T2056007
Spindle
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
6
T3555032
Washer, 17 x 30 x 3
Qty 1
M14
Low stock at Triumph
$2.93
Order-in Ask the parts desk
7
T2056020
Bolt special
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
8
T3800014
Roller bearing
Qty 4
Triumph has stock
$13.26
Order-in Ask the parts desk
9
T2056994
Plug
Qty 2
No longer supplied by Triumph
$21.67
Not on our shelf Ask the parts desk
10
2056970-T0301
Shim
Qty 4
PART NO LONGER AVAILABLE
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
11
T2056008
Thrust Seal
Qty 4
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
12
2056960-T0301
Sleeve
Qty 2
PART NO LONGER AVAILABLE
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
13
T2056760
Rubbing strip
Qty 1
PART NO LONGER AVAILABLE
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
14
T3331041
Screw, Pan/Hd, Tx, M6 x 25, Enc
Qty 2
$0.98
In stock in Brea Ask the parts desk
15
T3555004
Washer, 6.4 x 14 x 1.6
Qty 1
Low stock at Triumph
$1.30
Order-in Ask the parts desk
16
T3010144
Flanged Sleeve, M6 x 9.5 x 10.5
Qty 1
Triumph has stock
$3.49
Order-in Ask the parts desk
17
3000020-T0301
Spacer
Qty 1
PART NO LONGER AVAILABLE
No longer supplied by Triumph
$0.47
Not on our shelf Ask the parts desk
18
T3203204
Screw, H/Hd, M8 x 55, Slv
Qty 2
M8 x 55mm
Triumph has stock
$2.17
Order-in Ask the parts desk
19
T3350303
Nut, M8, Silver
Qty 2
Triumph’s Aug 14, 2026 date has passed, we’ll confirm
$0.75
On backorder Ask the parts desk
20
T3450009
Plug, M6
Qty 1
M6
Triumph has stock
$3.00
Order-in Ask the parts desk
21
T3900092
Label, Chain & Tyres
Qty 1
Chain & Tyres
Triumph has stock
$5.27
Order-in Ask the parts desk
22
T3350039
Riv nut
Qty -1
Hexagonal
No date from Triumph yet
$4.65
On backorder Ask the parts desk
22
T3350042
Riv nut
Qty -1
Round
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
23
T3900131
Label
Qty 1
Catalytic convertor DE
No longer supplied by Triumph
No longer available
Not on our shelf 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.