Spring Code

Fig 1: Locating Spring Code

Courtesy of FORD MOTOR CO.

The first 2 characters listed identifies the front spring codes. The second 2 characters listed identifies the rear spring codes.

Front Springs 

• BB - 9W73-18B036-D
• CC - 9W73-18B036-A
• EE - 9W73-18B036-B
• GG - 9W73-18B036-C

Rear Springs 

• 22 - 8W73-5560-D
• 44 - 8W73-5560-A
• 55 - 8W73-5560-B
• 66 - 8W73-5560-C

Rear air suspension codes are:

• 77 - 6W13-5A891-A