| U1 | MB64 | 123.12 | Duct, Radiator, Lower | MGB & GT, 1962-74 (chrome bumper, not V8) |
| U2 | MB63 | 58.32 | Crossmember, Front ('duct support') | MGB & GT, 1962-74 (chrome bumper, not V8) |
| U3 | MB66 | 82.94 | Platform, Bonnet Locking | MGB & GT, 1962-74 (chrome bumper, not V8) |
| U4 | MB65 | 37.58 | Reinforcement, Bonnet Locking Platform | MGB & GT, 1962-74 (chrome bumper, not V8) |
| U5 | MB51 | 40.18 | Wheelarch, Front, Wing Attachment Repair | MGB & GT, 1962 on (all) |
| U6 | MB17L | 45.36 | Reinforcement, Wheelarch to Pedal Box, LH, Short Type | MGB & GT, 1962 on (all; N.B. not original spec. 1975 on) |
| U6 | MB17R | 45.36 | Reinforcement, Wheelarch to Pedal Box, RH, Short Type | MGB & GT, 1962 on (all; N.B. not original spec. 1975 on) |
| U7 | MB27L | 24.62 | Reinforcement, Wheelarch to Pedal Box, Top Repair, LH | MGB & GT, 1962 on (all fitted with short reinforcement; N.B. not original spec. 1975 on) |
| U7 | MB27R | 24.62 | Reinforcement, Wheelarch to Pedal Box, Top Repair, RH | MGB & GT, 1962 on (all fitted with short reinforcement; N.B. not original spec. 1975 on) |
| U32 | MB97L | 71.28 | Front Wheelarch (Inner Wing) Repair, rear section, LH | MGB & GT, 1962 on (all except V8) |
| U32 | MB97R | 71.28 | Front Wheelarch (Inner Wing) Repair, rear section, RH | MGB & GT, 1962 on (all except V8) |
| U8 | MB19L | 15.55 | Splash Shield, LH, Painted Finish | MGB & GT, 1970 on (will fit earlier models) |
| U8 | MB19R | 15.55 | Splash Shield, RH, Painted Finish | MGB & GT, 1970 on (will fit earlier models) |
| U8 | MB19SL | 22.03 | Splash Shield, LH, Stainless Steel | MGB & GT, 1970 on (will fit earlier models) |
| U8 | MB19SR | 22.03 | Splash Shield, RH, Stainless Steel | MGB & GT, 1970 on (will fit earlier models) |
| U9 | MB20L | 15.55 | Extension, Upper, Splash Shield Mounting Flange, LH | MGB & GT, 1962 on (all) |
| U9 | MB20R | 15.55 | Extension, Upper, Splash Shield Mounting Flange, RH | MGB & GT, 1962 on (all) |
| U10 | MB67L | 84.24 | Dash Side, Outer, Repair, Front Half, Full Height, LH | MGB & GT, 1962 on (all) |
| U10 | MB67R | 84.24 | Dash Side, Outer, Repair, Front Half, Full Height, RH | MGB & GT, 1962 on (all) |
| U11 | MB68L | 38.88 | Dash Side, Outer, Repair, Front Half, 3/4 Height, LH | MGB & GT, 1962 on (all) |
| U11 | MB68R | 38.88 | Dash Side, Outer, Repair, Front Half, 3/4 Height, RH | MGB & GT, 1962 on (all) |
| U12 | MB52L | 32.40 | Dash Side, Outer, Splash Shield Attachment Repair, LH | MGB Roadster, 1962 on (all) |
| U12 | MB52R | 32.40 | Dash Side, Outer, Splash Shield Attachment Repair, RH | MGB Roadster, 1962 on (all) |
| U13 | MB85 | 123.12 | Crossmember, Centre, Full Width | MGB & GT, 1962 on (all) |
| U14 | MB31 | 16.85 | Crossmember, Centre, End Repair | MGB & GT, 1962 on (all) |
| U15 | MB21AL | 129.60 | Floor, Main, Bare Panel, LH | MGB & GT, 1967 on (4 synchro) |
| U15 | MB21AR | 129.60 | Floor, Main, Bare Panel, RH | MGB & GT, 1967 on (4 synchro) |
| U15 | MB21CL | 142.56 | Floor, Main, Assembly, LH | MGB & GT, 1967 on (4 synchro) |
| U15 | MB21CR | 142.56 | Floor, Main, Assembly, RH | MGB & GT, 1967 on (4 synchro) |
| U15 | MB21L | 200.88 | Floor, Main, Bare Panel, LH | MGB & GT, 1962-67 (3 synchro) |
| U15 | MB21R | 200.88 | Floor, Main, Bare Panel, RH | MGB & GT, 1962-67 (3 synchro) |
| U16 | MB71L | 63.50 | Floor, Main, Repair, Outer Edge, LH | MGB & GT, 1962 on (all) |
| U16 | MB71R | 63.50 | Floor, Main, Repair, Outer Edge, RH | MGB & GT, 1962 on (all) |
| U17 | MB60L | 162.00 | Wheelarch, Rear, Outer, LH | MGB & GT, 1962 on (all) |
| U17 | MB60R | 162.00 | Wheelarch, Rear, Outer, RH | MGB & GT, 1962 on (all) |
| U18 | MB55L | 63.50 | Wheelarch, Rear, Outer, Repair, LH | MGB & GT, 1962 on (all) |
| U18 | MB55R | 63.50 | Wheelarch, Rear, Outer, Repair, RH | MGB & GT, 1962 on (all) |
| U19 | MB92 | 58.32 | Cover, Battery | MGB & GT, 1962-74 (chrome bumper, 6V type) |
| U20 | MB93 | 32.40 | Cover, Battery | MGB & GT, 1974 on (rubber bumper, 12V type) |
| U21 | MB40 | 231.98 | Floor, Boot, Assembly | MGB & GT, 1965-74 (chrome bumper, requires modification for 1962-64 Roadster models with strap type fuel tank or 1975 on rubber bumper models with fuel pump hole) |
| U22 | MB50L | 45.36 | Floor, Boot, Outer Extension, LH | MGB & GT, 1962 on (all) |
| U23 | MB50R | 45.36 | Floor, Boot, Outer Extension, RH | MGB & GT, 1962 on (all) |
| U24 | MB98 | 10.37 | Exhaust Mounting Bracket, Rear Valance | MGB & GT, 1962 on (all) |
| U25 | MB95 | 38.88 | Spare Wheel Stowage Clamp | MGB & GT, 1970 on ('Rostyle' steel wheels only) |
| U25 | MB96 | 45.36 | Spare Wheel Stowage Clamp | MGB & GT, 1962 on (wire wheels only) |
| U26 | MB56L | 160.70 | Sidemember, Rear, Spring Hanger Repair With Closing, LH | MGB & GT, 1962-74 (chrome bumper) |
| U26 | MB56R | 160.70 | Sidemember, Rear, Spring Hanger Repair With Closing, RH | MGB & GT, 1962-74 (chrome bumper) |
| U26 | MB57L | 160.70 | Sidemember, Rear, Spring Hanger Repair With Closing, LH | MGB & GT, 1974 on (rubber bumper) |
| U26 | MB57R | 160.70 | Sidemember, Rear, Spring Hanger Repair With Closing, RH | MGB & GT, 1974 on (rubber bumper) |
| U27 | MB58L | 37.58 | Sidemember, Rear, Spring Hanger Closing Panel Only, LH | MGB & GT, 1962-74 (chrome bumper) |
| U27 | MB58R | 37.58 | Sidemember, Rear, Spring Hanger Closing Panel Only, RH | MGB & GT, 1962-74 (chrome bumper) |
| U28 | MB100 | 20.41 | Sidemember, Rear, Bump Stop Mounting Repair Only | MGB & GT, 1962 on (all) |
| U29 | MB99 | 123.12 | Cover, Differential, Axle Centre | MGB & GT, 1965 on (all except banjo axle roadsters up to 1967) |
| U30 | MB105 | 128.30 | Cover, Pedal Box | MGB & GT, 1962-74 (chrome bumper, single line brakes only) |
| U31 | MB94L | 12.83 | Dust Cover, Disc Brake, LH, Painted Finish | MGB & GT, 1962 on (all except V8) |
| U31 | MB94R | 12.83 | Dust Cover, Disc Brake, RH, Painted Finish | MGB & GT, 1962 on (all except V8) |
| U31 | MB94SL | 18.79 | Dust Cover, Disc Brake, LH, Stainless Steel | MGB & GT, 1962 on (all except V8) |
| U31 | MB94SR | 18.79 | Dust Cover, Disc Brake, RH, Stainless Steel | MGB & GT, 1962 on (all except V8) |
