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Crankcase & Fittings

Triumph Thruxton · Crankcase, Engine Covers, Lubrication System · 33 parts · 1 on the shelf in Brea

Exploded parts diagram — Crankcase & Fittings, Triumph Thruxton

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

Motorcycles this catalogue covers

Thruxton 1200
2016–2017
Thruxton 900
2007–2015

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

Every part on this diagram

1
T1160186
Crankcase Assy, Blk/B & Chr
Qty 1
If your engine number is 390926 or lower
Triumph has stock
$5351.55
Order-in Ask the parts desk
1
T1160118
Crankcase Assy, Black
Qty 1
If your engine number is 390927 or higher
No date from Triumph yet
$339.31
On backorder Ask the parts desk
1
T1160143
Crankcase Assy, Black
Qty 1
451500 > & Special Edition **See Tech News 118**
No date from Triumph yet
$525.87
On backorder Ask the parts desk
2
T3000102
Dowel, Hollow, 10 x 14
Qty 4
Low stock at Triumph
$1.66
Order-in Ask the parts desk
3
T1160750
Main Bearing Shell, Grooved
Qty -1
White
Triumph has stock
$11.76
Order-in Ask the parts desk
3
T1160751
Main Bearing Shell, Grooved
Qty -1
Red
Triumph has stock
$11.76
Order-in Ask the parts desk
3
T1160752
Main Bearing Shell, Grooved
Qty -1
Blue
Triumph has stock
$11.76
Order-in Ask the parts desk
3
T1160753
Main Bearing Shell, Grooved
Qty -1
Green
No date from Triumph yet
$11.76
On backorder Ask the parts desk
4
T3000101
Dowel, Hollow, 8 x 14
Qty 2
Triumph has stock
$3.61
Order-in Ask the parts desk
5
T3331044
Screw, Pan/Hd, Tx, M6 x 16, Slv
Qty 7
$0.90
In stock in Brea Ask the parts desk
6
T3450005
Plug, NPSI 3/8 Dryseal
Qty 4
> Eng No 731974
Triumph has stock
$6.16
Order-in Ask the parts desk
6
T3450000
Plug, PTF-SAE Short, 3/8-18, Enc
Qty 4
If your engine number is 731975 or higher
Triumph has stock
$6.16
Order-in Ask the parts desk
7
T2056859
Bush, S/Arm Pivot, 230M07
Qty 2
Triumph has stock
$13.26
Order-in Ask the parts desk
8
T1160665
Sightglass, Oil, Dia 20
Qty 1
Triumph has stock
$20.96
Order-in Ask the parts desk
9
T1261488
Oil Filler Plug, Chromed
Qty 1
Low stock at Triumph
$28.07
Order-in Ask the parts desk
10
T3600028
O Ring, Filler Cap
Qty 1
Triumph has stock
$1.30
Order-in Ask the parts desk
11
T1162010
Stud, Cylinder Head
Qty 8
Triumph has stock
$4.85
Order-in Ask the parts desk
12
T1169022
Barrels, 2 Cyl, Dia 90.0
Qty 1
Triumph has stock
$206.88
Order-in Ask the parts desk
13
T1161100
Tube, Air
Qty 1
Triumph has stock
$25.63
Order-in Ask the parts desk
14
T3600915
O Ring, ID 18 x 3
Qty 2
Triumph has stock
$2.73
Order-in Ask the parts desk
15
T1160127
Gasket, Base, 2 Cyl, Dia 90
Qty 1
Triumph has stock
$34.02
Order-in Ask the parts desk
16
T1161037
Gasket, Breather Plate
Qty 1
No date from Triumph yet
$2.64
On backorder Ask the parts desk
18
T1160274
Spout
Qty 1
Triumph has stock
$10.63
Order-in Ask the parts desk
19
T1160137
Pipe, Breather Drain
Qty 1
Triumph has stock
$11.26
Order-in Ask the parts desk
20
T3700030
Clip pipe
Qty 1
Triumph has stock
$0.90
Order-in Ask the parts desk
21
T1160136
Hose, Breather Drain Extension
Qty 1
Triumph has stock
$3.42
Order-in Ask the parts desk
22
T1161024
Plate, Upper, Breather
Qty 1
Triumph’s Aug 14, 2026 date has passed, we’ll confirm
$41.72
On backorder Ask the parts desk
23
T1161025
Plate, Lower, Breather
Qty 1
No date from Triumph yet
$5.35
On backorder Ask the parts desk
24
T3700015
Cable Tie, 185.7 Long
Qty 1
Triumph has stock
$0.83
Order-in Ask the parts desk
25
T3450015
Plug, M10
Qty 1
If your engine number is 390926 or lower
Triumph has stock
$1.30
Order-in Ask the parts desk
26
T3051063
Screw, Cap/Hd, M6 x 16, Enc, Raw
Qty 1
Triumph has stock
$0.53
Order-in Ask the parts desk
27
T1160209
Breather Drain Assy
Qty 1
451500 > **See Tech News 118**
Triumph has stock
$47.51
Order-in Ask the parts desk
28
T2500574
Extension Lead, Alternator
Qty 1
Triumph has stock
$5.84
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.