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Genuine Triumph OEM engine cases & oil system parts for the Bonneville (2001–2026): 209 factory part numbers across 20 parts diagrams. Select your model year for fitment-exact diagrams, or browse the parts below.
| Part number | Description | Price |
|---|---|---|
| 1160371-T0301 | Bearing Shell, Main, Grooved | $13.96 |
| 1160373-T0301 | Bearing Shell, Main, Grooved | $12.98 |
| 1160374-T0301 | Bearing Shell, Main, Grooved | $7.54 |
| 3800041-T0301 | Bearing, Gearbox Lever | $13.61 |
| T1160127 | Gasket, Base, 2 Cyl, Dia 90 | $36.74 |
| T1160153 | Crankcase Kit, Blk/Blk | $4929.09 |
| T1160159 | Crankcase Kit, Slv, B & Laq | $4857.36 |
| T1160164 | Crankcase Kit, Slv/Chr | $5351.55 |
| T1160176 | Crankcase Kit, Spares, Silver, Chrome | $4301.44 |
| T1160186 | Crankcase Assy, Blk/B & Chr | $5351.55 |
| T1160187 | Crankcase Kit, Blk/Blk | $5351.55 |
| T1160189 | Crankcase Kit, Slv/B & Laq | $5281.16 |
| T1160231 | Main Bearing Shell, Grooved, Red | $15.88 |
| T1160232 | Main Bearing Shell, Grooved, Blue | $15.88 |
| T1160233 | Main Bearing Shell, Grooved, Green | $15.88 |
| T1160268 | Spigot, OD 14.0mm | $5.78 |
| T1160274 | Spout | $11.48 |
| T1160464 | Baffle Plate, Perforated | $5.88 |
| T1160665 | Sightglass, Oil, Dia 20 | $22.64 |
| T1160750 | Main Bearing Shell, Grooved | $12.70 |
| T1160751 | Main Bearing Shell, Grooved | $12.70 |
| T1160752 | Main Bearing Shell, Grooved | $12.70 |
| T1160753 | Main Bearing Shell, Grooved | $12.70 |
| T1160895 | Stud, Cylinder Head | $3.87 |
| T1161024 | Plate, Upper, Breather | $45.06 |
| T1161025 | Plate, Lower, Breather | $5.78 |
| T1161036 | Pipe, Breather Drain | $11.97 |
| T1161037 | Gasket, Breather Plate | $2.85 |
| T1161038 | Hose, Breather Drain Extension | $3.59 |
| T1161100 | Tube, Air | $27.68 |
| T1161202 | Badge, 1200, Black | $69.37 |
| T1161512 | Cap, Oil Filler | $19.13 |
| T1161900 | Barrels | $2120.00 |
| T1161908 | Barrels | $1964.55 |
| T1162010 | Stud, Cylinder Head | $5.24 |
| T1162050 | Kit, Barrels/Silver Head | $2016.77 |
| T1162060 | Kit, Barrels/Black Head | $2016.77 |
| T1162622 | Breather Drain Pipe | $24.14 |
| T1162910 | Breather Plate | $42.14 |
| T1162911 | Gasket, Breather | $4.55 |
| T1162920 | Elbow, Coolant, Return | $64.52 |
| T1162953 | Crankcase Assembly, Spares | $4785.52 |
| T1163006 | Breather Drain Pipe, Lower | $12.16 |
| T1167220 | Barrel, Dia 97.6 | $1446.20 |
| T1167250 | Base Gasket | $29.56 |
| T1169022 | Barrels, 2 Cyl, Dia 90.0 | $2119.28 |
| T1170925 | Spring return | $2.55 |
| T1170930 | Clutch Cable Holder / Guide | $10.71 |
| T1170931 | Bullet, Clutch Lifter, Flat | $41.82 |
| T1170970 | Clutch Lifter Arm | $56.55 |
| T1170972 | Clutch Lifter Arm | $56.55 |
| T1170973 | Clutch lifter arm | $64.01 |
| T1171410 | Clutch Cable Holder / Guide | $10.81 |
| T1171450 | Clutch Lifter Arm | $82.73 |
| T1171701 | Bullet, Clutch Lifter | $37.09 |
| T1210240 | Banjo Bolt, M10 x28 | $13.18 |
| T1210242 | Bolt, Banjo, M6 x 20 | $11.03 |
| T1210438 | Oil Filter Adaptor | $12.29 |
| T1210440 | Oil Filter Multipack (24) | $379.33 |
| T1210443 | Oil Filter Multipack (80) | $1197.37 |
Showing 60 of 209 part numbers — select a model year above to browse every Bonneville engine cases & oil system diagram.