The mechanical components of the Aisin 55-51LE are as follows:
|     •  | Torque converter assembly | 
 
|     •  | Forward (C1) and direct (C2) clutch 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 |