| 2001 | GMC | Sierra 1500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2002 | GMC | Sierra 1500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2003 | GMC | Sierra 1500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2006 | GMC | Sierra 1500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2005 | GMC | Sierra 1500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2002 | GMC | Sierra 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2003 | GMC | Sierra 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2001 | GMC | Sierra 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2004 | GMC | Sierra 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2005 | GMC | Sierra 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2006 | GMC | Sierra 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2007 | GMC | Sierra 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2010 | GMC | Sierra 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2008 | GMC | Sierra 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2009 | GMC | Sierra 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2001 | Chevrolet | Silverado 1500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2002 | Chevrolet | Silverado 1500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2003 | Chevrolet | Silverado 1500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2006 | Chevrolet | Silverado 1500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2005 | Chevrolet | Silverado 1500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2001 | Chevrolet | Silverado 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2002 | Chevrolet | Silverado 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2003 | Chevrolet | Silverado 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2009 | Chevrolet | Silverado 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2008 | Chevrolet | Silverado 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2010 | Chevrolet | Silverado 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2004 | Chevrolet | Silverado 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2005 | Chevrolet | Silverado 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2006 | Chevrolet | Silverado 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |
| 2007 | Chevrolet | Silverado 2500 HD | Fits 2 Wheel Drive; Fits 4 Wheel Drive | Fir use with RPO codes starting with "FK or FF" (FK2 - FK3 - FF6 - FF7 - FF8 - FF9). |