Suspension: Application and ID
The Vehicle Certification (VC) label contains the manufacturer name, the month and year of manufacture, the certification statement, and the VIN. It also includes Gross Vehicle Weight Ratings (GVWR).
Spring Codes
Front Springs
^ Base part number-5310 (RH/LH)
^ K - 4x2
^ L - 4x2
^ M - 4x2
^ N - 4x2
^ P - 4x2
^ R - 4x2
^ S - 4x2
^ A - 4x4
^ B - 4x4
^ W - Lightning
Torsion Bars
^ Base part number - 5B326 (RH)
^ Base part number - 5B327 (LH)
^ 1 - 4x4
^ 2 - 4x4
^ 3 - 4x4
^ 4 - 4x4
^ 6 - 4x4
^ G - 4x4
^ 8 - 4x4
^ 9 - 4x4
^ Z - 4x4
^ T - 4x4
^ U - 4x4
^ D - 4x4
^ 7 - 4x4
Rear Springs
^ Base part number - 5560
^ A
^ B
^ C
^ F
^ G
^ H
^ N
^ L
^ 3
^ 4
^ 7
^ S - Lightning