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Crankcase

Triumph Thunderbird & Thunderbird Sport · Crankcase, Engine Covers, Lubrication System · 21 parts · 2 on the shelf in Brea

Exploded parts diagram — Crankcase, 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
T1160603
Kit crankcase
Qty 1
If your engine number is 46605 or lower
No date from Triumph yet
$5105.11
On backorder Ask the parts desk
1
T1160520
Kit crankcase
Qty 1
If your engine number is between 46606 and 71843
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
1
T1160348
Kit crankcase
Qty 1
If your engine number is between 71644 and 127438
No date from Triumph yet
$5245.95
On backorder Ask the parts desk
1
T1160530
Kit crankcase
Qty 1
If your engine number is 127439 or higher
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
2
T3000103
Dowel, Hollow, 12 x 14
Qty 3
Triumph has stock
$3.78
Order-in Ask the parts desk
3
T3600143
O Ring, ID 9.1 x 1.6, Viton
Qty 1
Triumph has stock
$1.95
Order-in Ask the parts desk
4
T3550542
Washer, Cu, OD12.5 x Id6.4
Qty 5
$0.97
In stock in Brea Ask the parts desk
5
T1210242
Bolt, Banjo, M6 x 20
Qty 2
Triumph has stock
$10.22
Order-in Ask the parts desk
6
T3000101
Dowel, Hollow, 8 x 14
Qty 2
Triumph has stock
$3.61
Order-in Ask the parts desk
7
T1160360
Oil Deflector Plate
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
8
T3331042
Screw, Pan/Hd, Tx, M6 x 12, Enc
Qty 2
$1.30
In stock in Brea Ask the parts desk
9
T3203115
Bolt, RHHF, M6x1.0x12, S/S
Qty 1
Triumph has stock
$2.93
Order-in Ask the parts desk
10
T3450071
Plug
Qty 1
No longer supplied by Triumph
$4.51
Not on our shelf Ask the parts desk
11
T3550021
Washer
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
12
3800019-T0301
Needle bearing
Qty 1
Alternator shaft
Triumph has stock
$63.35
Order-in Ask the parts desk
13
1210471-T0301
Pipe oil feed
Qty 1
If the last 6 of your VIN are 28489 or lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
13
T1210484
Pipe oil feed
Qty 1
If the last 6 of your VIN are 28490 or higher
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
14
T3332704
Screw, Torx, M6 x 14
Qty 2
M6 x 14mm
Triumph has stock
$4.85
Order-in Ask the parts desk
15
3550230-T0301
Washer hard
Qty 2
M6 Hardened
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
16
T1160620
Sight glass
Qty 1
Triumph has stock
$26.39
Order-in Ask the parts desk
17
T3550085
Washer
Qty 1
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.