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Sump

Triumph Thunderbird & Thunderbird Sport · Crankcase, Engine Covers, Lubrication System · 19 parts · 2 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.

Triumph lists this drawing for the Thunderbird Sport. Triumph builds more than one machine in this book and they do not all take the same parts. Tell us which one you ride →

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 No longer availableAsk the parts desk
1
T1230186
Sump kit
Qty 1
If your engine number is between 71844 and 77667
Backordered at Triumph · we’ll confirm the ship date after you order
$466.48
On backorder
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 No longer availableAsk the parts desk
2
T1230056
Sump Gasket, 3 Cyl
Qty 1
3 Cyl
$16.55
Available
3
3600025-T0301
O ring
Qty 1
$1.99
Available
4
T1210060
Relief valve
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$27.55
On backorder Order through the parts desk
5
T3331040
Screw, TPT, Pan/Hd, M6 x 12, Slv
Qty 5
Low stock at Triumph
$2.20
Limited availability
6
T1230066
Cover assembly
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$4.12
On backorder Order through the parts desk
7
1230060-T0301
Strainer oil
Qty 1
No longer supplied by Triumph
No longer available
Not on our shelf No longer availableAsk the parts desk
8
T3458989
Sump Plug, M14 x 1.5, Blk
Qty 3
M14
$5.08
Available
9
T3551092
Sealing Washer Multipack (25)
Qty 1
Part only available as Multipack
$25.51
In stock in Brea
10
T1230074
Switch oil pressure
Qty 1
$29.82
Available
11
T3331041
Screw, Pan/Hd, Tx, M6 x 25, Enc
Qty 15
$1.99
In stock in Brea
12
T3331299
Screw, Pan/HD, Tx, M6 x 40, Slv
Qty 2
M6 x 55mm
$3.42
Available
13
3550048-T0301
Sealing washer
Qty 2
If your engine number is 77667 or lower
$1.99
Available
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 No longer availableAsk the parts desk
14
T3450005
Plug, NPSI 3/8 Dryseal
Qty 2
If your engine number is 77668 or higher
$6.16
Available
15
T2079314
Guide
Qty 1
Backordered at Triumph · we’ll confirm the ship date after you order
$1.99
On backorder Order through the parts desk
16
T3550546
Washer, Cu, OD 16 x ID 10.2/
Qty 1
$1.99
Available

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 Oct 15, 2026.