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Rear Suspension Unit

Triumph Rocket III · Rear Swinging Arm & Rear Suspension · 6 parts

Exploded parts diagram — Rear Suspension Unit, Triumph Rocket III

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

Motorcycles this catalogue covers

Rocket III
2005–2018

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

Every part on this diagram

1
T2055500
Rear Suspension Unit
Qty 2
Not Roadster
No date from Triumph yet
$677.73
On backorder Ask the parts desk
1
T2055399
RSU Assembly
Qty 2
Roadster 585844 >
Triumph has stock
$704.17
Order-in Ask the parts desk
2
T3205457
Bolt, HHF, Lghtd, M8 x 20, Enc
Qty 4
Triumph has stock
$1.50
Order-in Ask the parts desk
3
T3555033
Washer, 8.4 x 24 x 2
Qty 2
Triumph has stock
$2.53
Order-in Ask the parts desk
4
T3550225
Washer, M8, OD 36, SS
Qty 2
If the last 6 of your VIN are 471467 or lower
No longer supplied by Triumph
$1.87
Not on our shelf Ask the parts desk
4
T3550243
Washer, 8.5 x 36.0 x 3
Qty 2
If the last 6 of your VIN are 471468 or higher
Triumph has stock
$2.81
Order-in 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.