| Model Code | Description | |
|---|---|---|
| 01 | 673.001, 673.002, 673.003, 673.006, 673.007, 673.008, 673.040 | FRONT AXLE STABILIZER |
| 02 | 673.001, 673.002, 673.003, 673.006, 673.007, 673.008, 673.040, 673.306, 673.307, 673.308 | H.D. FRONT AXLE |
| 03 | 673.010, 673.011, 673.012, 673.013, 673.014, 673.015, 673.016, 673.017, 673.018, 673.019, 673.042 | H.D. FRONT AXLE |
| 04 | 673.001, 673.002, 673.003, 673.006, 673.007, 673.008, 673.040 | USED WITH TRAPEZOIDAL SPRINGS |
| 05 | 673.001, 673.002, 673.003, 673.006, 673.007, 673.008, 673.040 | H.D. FRONT AXLE AND TRAPEZOIDAL SPRINGS |