The mechanical components of the Aisin 55-51LE are as follows:
| • | Torque converter assembly |
| • | Forward (C1) and direct (C2) clutch assembly |
| • | Rear sun gear assembly |
| • | Front carrier assembly |
| • | Front internal gear and low clutch sprag (F2) assembly |
| • | Low and reverse clutch plates and disc assembly (B3) |
| • | Second coast clutch and second clutch hub and second clutch sprag (F1) assembly |
| • | Automatic transmission fluid pump, second coast clutch (B1) and second clutch (B2) assembly |
| • | 1-2 reverse clutch (B5) assembly |
| • | 1-2 reverse internal gear |
| • | 1-2 reverse carrier gear assembly |
| • | 3rd gear band assembly (B4) |
| • | 3rd gear band servo piston assembly |
| • | 4-5 clutch (C3) assembly |
| • | front differential transfer drive gear assembly |
| • | front differential assembly |
| • | Automatic transmission control valve body assembly |
The electrical components of the Aisin 55-51LE are as follows:
| • | Automatic transmission output speed sensor (OSS) assembly |
| • | Automatic transmission input speed sensor (ISS) assembly |
| • | Reverse, 1st shift solenoid valve assembly (S1) - black |
| • | 2-3, 3-4 shift solenoid valve assembly (S2) - black |
| • | 1-2, 2-3, reverse shift solenoid valve assembly (S3) - dark gray |
| • | 3-4, 4-5 shift solenoid valve assembly (S4) - blue |
| • | Reverse shift solenoid valve assembly (S5) - brown |
| • | Line pressure control solenoid valve assembly (SLT) - blue |
| • | Lock up pressure control solenoid valve assembly (SLU) - black |
| • | Shift pressure control solenoid valve assembly (SLS) - green |
| • | Automatic transmission fluid temperature (TFT) sensor |
| • | Park/neutral position switch assembly |
