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Sump

Triumph Thunderbird & Thunderbird Sport · Crankcase, Engine Covers, Lubrication System · 19 parts · 1 on the shelf in Brea

Exploded parts diagram — Sump, 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
T1230178
Sump kit
Qty 1
If your engine number is 71843 or lower
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
1
T1230186
Sump kit
Qty 1
If your engine number is between 71844 and 77667
Triumph’s Aug 14, 2026 date has passed, we’ll confirm
$466.48
On backorder Ask the parts desk
1
T1230116
Sump
Qty 1
If your engine number is 77668 or higher
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
2
T1230056
Sump Gasket, 3 Cyl
Qty 1
3 Cyl
Triumph has stock
$16.55
Order-in Ask the parts desk
3
3600025-T0301
O ring
Qty 1
Triumph has stock
$1.66
Order-in Ask the parts desk
4
T1210060
Relief valve
Qty 1
No date from Triumph yet
$27.55
On backorder Ask the parts desk
5
T3331040
Screw, TPT, Pan/Hd, M6 x 12, Slv
Qty 5
Triumph has stock
$2.20
Order-in Ask the parts desk
6
T1230066
Cover assembly
Qty 1
No date from Triumph yet
$4.12
On backorder Ask the parts desk
7
1230060-T0301
Strainer oil
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf Ask the parts desk
8
T3458989
Sump Plug, M14 x 1.5, Blk
Qty 3
M14
Triumph has stock
$5.08
Order-in Ask the parts desk
9
T3551092
Sealing Washer Multipack (25)
Qty 1
Part only available as Multipack
Triumph has stock
$25.51
Order-in Ask the parts desk
10
T1230074
Switch oil pressure
Qty 1
Triumph has stock
$29.82
Order-in Ask the parts desk
11
T3331041
Screw, Pan/Hd, Tx, M6 x 25, Enc
Qty 15
$0.98
In stock in Brea Ask the parts desk
12
T3331299
Screw, Pan/HD, Tx, M6 x 40, Slv
Qty 2
M6 x 55mm
Triumph has stock
$3.42
Order-in Ask the parts desk
13
3550048-T0301
Sealing washer
Qty 2
If your engine number is 77667 or lower
Triumph has stock
$1.05
Order-in Ask the parts desk
14
3450021-T0301
Plug
Qty 2
If your engine number is 77667 or lower
No longer supplied by Triumph
$3.77
Not on our shelf Ask the parts desk
14
T3450005
Plug, NPSI 3/8 Dryseal
Qty 2
If your engine number is 77668 or higher
Triumph has stock
$6.16
Order-in Ask the parts desk
15
T2079314
Guide
Qty 1
Triumph has stock
$1.77
Order-in Ask the parts desk
16
T3550546
Washer, Cu, OD 16 x ID 10.2/
Qty 1
Triumph has stock
$0.83
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.