| Part | Name of the part | Ordnance or mfgr part number | Seen on |
| Hull | Hull armor | E8020 | M4(105) |
| M4A3(75) W | |||
| M4A3(76) W | |||
| Hull armor | D52417 / D70564 / D70563 | M4A4(75) | |
| Hull armor | D5101 | M4(75) | |
| Differential | 3-piece differential housing | E4151 / E1231 | M4(75) |
| housing | M4A4(75) | ||
| 3-piece differential housing | E4151 / E1232 / D50998 | Early M4A1(75) | |
| 3-piece differential housing | D99338 / E1231 | M4A4(75) | |
| 3-piece differential housing | E4151 / E1232 / E1231 | M4A4(75) | |
| 1-piece differential housing | E4186 (early) | M4A2(75) | |
| M4A3(75) | |||
| M10 Tank Destroyer | |||
| M36 Jackson TD | |||
| 1-piece differential housing | E8543 (late) | Early M4(75) | |
| M4A1(75) | |||
| M4A1(76) W | |||
| M4A2(75) | |||
| M4A3(75) W | |||
| M4A3(76) W | |||
| M4A3(105) | |||
| M10 Tank Destroyer | |||
| Turret | 75mm turret low bustle | D50878 | M4(75) |
| M4A1(75) | |||
| M4A2(75) | |||
| M4A3(75) | |||
| M4A4(75) | |||
| 75mm turret high bustle | D78451 | M4A3(75) W | |
| 76mm turret 2-piece split hatch) |
D82081 | M4A1(76) W M4A3(76) W |
|
| 76mm turret (oval hatch) | 7054366 | M4A1(76) W | |
| Mantlet | M34 mantlet | D51288 | Early 75mm turrets |
| M34A1 mantlet | D68454 | 75mm turrets | |
| 105mm mantlet | E6257 | 105mm turrets | |
| 76mm mantlet | E6180 | 76mm turrets | |
| 76mm mantlet | E6180-20 | Late 76mm turrets | |
| M10 TD mantlet | E6475 | M10 TD | |
| Gun mount | M34 gun mount | D50880 | Early 75mm turrets |
| M34A1 gun mount | E5721 | 75mm turrets |