For 1990-2009 cars

Transmission Model | 8AHW | 8CUW | 8YAW | 8BSW
--- | --- | --- | --- | ---
Vehicle Series | W | N | U | N
Engine Displacement | 3.1L | 2.4L | 3.4L | 3.1L
Engine RPO Code | L82 | LD9 | LA1 | L82
Engine VIN Code | M | T | E | M
Overall Axle Ratio | 3.29 | 2.42 | 3.29 | 2.93
Final Drive Ratio | 3.29 | 3.05 | 3.29 | 3.29
Drive/Driven Sprocket Teeth | 35/35 | 33/37 | 35/35 | 37/33
VSS Rotor Teeth | 30 | 30 | 30 | 30
Final Drive Assembly | STD | FP | FP | FP
Output Shaft | STD | STD | STD | STD
Torque Converter K-factor | 180 | 203 | 163 | 140
Converter Clutch | TCC | TCC | TCC | TCC
Case Side Cover Pan | SSC | SSC | STEEL | SSC
SSC Mount Bolt Pattern | 4 BOLT | 6 BOLT | 4 BOLT | 6 BOLT
Transmission Vent Assembly | CAP | TUBE | CAP | TUBE
Temperature Sensor | 391 | N/A | 391 | 391
1-2 Accumulator Valve (Primary) | INVERT | STD | STD | STD
1-2 Accumulator Piston | 136C | 136A | 136A | 136A
1-2 Accumulator Spring(s) | 139A,B | 139A | 139A | 139A
2-3 Accumulator Piston | 136A | 136A | 136A | 136A
2-3 Accumulator Spring(s) | 138A,B | 138A,B | 138A,B | 138A,B
3-4 Accumulator Spring(s) | 423,4 | 423,4 | 423,4 | 423,4
Notes:

- FP = Fine Pitch
- HD = Heavy Duty
- N/A = Not Available
- SSC = Case Aluminum Structural Side Cover Pan
- STD = Standard
- STEEL = Stamped Steel Side Cover Pan
- VSS = Vehicle Speed Sensor
- K-factor = Torque converter numeric rating (combines stall speed and torque multiplication ratings)

This chart does not identify all unique build items and this chart may be subject to change.