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Crankcase Fixings

Triumph Thunderbird & Thunderbird Sport · Crankcase, Engine Covers, Lubrication System · 6 parts · 1 on the shelf in Brea

Exploded parts diagram — Crankcase Fixings, 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
3330020-T0301
Screw, Torx
Qty 2
M8 x 65mm
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
2
3330024-T0301
Screw, Torx
Qty 3
M8 x 155mm - PART NO LONGER AVAILABLE
No longer supplied by Triumph
$5.98
Not on our shelf Ask the parts desk
3
T3330121
Screw, Torx
Qty 6
PART NO LONGER AVAILABLE - M8 x 105mm
No longer supplied by Triumph
$1.57
Not on our shelf Ask the parts desk
4
3330021-T0301
Screw, Torx
Qty 4
M8 x 80mm
Triumph has stock
$5.19
Order-in Ask the parts desk
5
T3331299
Screw, Pan/HD, Tx, M6 x 40, Slv
Qty 6
Triumph has stock
$3.42
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.