| U1 | MS23AL | 155.52 | Floor, Main, Repair, Centre Tunnel to Sill, LH, 'Half Floor' | Midget & Sprite, 1958-64 (All models with quarter elliptic rear springs) |
| U1 | MS23AR | 155.52 | Floor, Main, Repair, Centre Tunnel to Sill, RH, 'Half Floor' | Midget & Sprite, 1958-64 (All models with quarter elliptic rear springs) |
| U1 | MS23L | 155.52 | Floor, Main, Repair, Centre Tunnel to Sill, LH, 'Half Floor' | Midget & Sprite, 1964 on (All models with semi elliptic rear springs) |
| U1 | MS23R | 155.52 | Floor, Main, Repair, Centre Tunnel to Sill, RH, 'Half Floor' | Midget & Sprite, 1964 on (All models with semi elliptic rear springs) |
| U2 | MS35L | 84.24 | Floor, Main, Repair, Outer Edge, LH | Midget & Sprite, 1958 on (all) |
| U2 | MS35R | 84.24 | Floor, Main, Repair, Outer Edge, RH | Midget & Sprite, 1958 on (all) |
| U3 | MS24L | 38.88 | Floor, Main, Repair, Rear, Spring Hanger, LH, 'Rear 1/4 Floor' | Midget & Sprite, 1964 on (All models with semi elliptic rear springs) |
| U3 | MS24R | 38.88 | Floor, Main, Repair, Rear, Spring Hanger, RH, 'Rear 1/4 Floor' | Midget & Sprite, 1964 on (All models with semi elliptic rear springs) |
| U4 | MS25L | 45.36 | Heelboard Repair, 'Inner Bulkhead Repair', LH, Half Height | Midget & Sprite, 1964 on (All models with semi elliptic rear springs) |
| U4 | MS25R | 45.36 | Heelboard Repair, 'Inner Bulkhead Repair', LH, Half Height | Midget & Sprite, 1964 on (All models with semi elliptic rear springs) |
| U5 | MS48 | 54.00 | Centre Crossmember, Repair, Tunnel to Sill, 'Half Crossmember' | Midget & Sprite, 1958 on (all) |
| U6 | MS37L | 90.72 | Sill, Outer, LH | Midget & Sprite, 1958-74 (with one jacking point hole, chrome bumper models, plus 1974 only rubber bumper models) |
| U6 | MS37R | 90.72 | Sill, Outer, RH | Midget & Sprite, 1958-74 (with one jacking point hole, chrome bumper models, plus 1974 only rubber bumper models) |
| U6 | MS39L | 90.72 | Sill, Outer, LH | Midget, 1975 on (with two jacking point holes, all rubber bumper models except for 1974 models) |
| U6 | MS39R | 90.72 | Sill, Outer, RH | Midget, 1975 on (with two jacking point holes, all rubber bumper models except for 1974 models) |
| U7 | MS26FR | 12.96 | Closing Panel, Outer Sill, Front, RH | Midget & Sprite, 1958 on (all) |
| U7 | MS27FL | 12.96 | Closing Panel, Outer Sill, Front, LH | Midget & Sprite, 1958 on (all) |
| U8 | MS26RR | 12.96 | Closing Panel, Outer Sill, Rear, RH | Midget & Sprite, 1958 on (all) |
| U8 | MS27RL | 12.96 | Closing Panel, Outer Sill, Rear, LH | Midget & Sprite, 1958 on (all) |
| U9 | MS32L | 45.36 | Sill, Inner, LH | Midget & Sprite, 1958 on (all, includes hole for rear jacking point on rubber bumper models) |
| U9 | MS32R | 45.36 | Sill, Inner, RH | Midget & Sprite, 1958 on (all, includes hole for rear jacking point on rubber bumper models) |
| U10 | MS34L | 38.88 | Over Sill, Stainless Steel, Sill Outer, LH | Midget & Sprite, 1958-74 (with one jacking point hole, chrome bumper models, plus 1974 only rubber bumper models) |
| U10 | MS34R | 38.88 | Over Sill, Stainless Steel, Sill Outer, RH | Midget & Sprite, 1958-74 (with one jacking point hole, chrome bumper models, plus 1974 only rubber bumper models) |
| U10 | MS33L | 64.80 | Over Sill, Stainless Steel, Sill Outer, LH | Midget, 1975 on (with two jacking point holes, all rubber bumper models except for 1974 models) |
| U10 | MS33R | 64.80 | Over Sill, Stainless Steel, Sill Outer, RH | Midget, 1975 on (with two jacking point holes, all rubber bumper models except for 1974 models) |
| U11 | MS38/MID | 25.92 | Tread Plate, 'Threshold Plate', Stainless Steel, 'Midget' Script | Midget, 1961 on (all) |
| U11 | MS38/SPR | 25.92 | Tread Plate, 'Threshold Plate', Stainless Steel, 'Sprite' Script | Sprite, 1958 on (all) |