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Thread: Spring Codes

  1. #1
    Administrator 88hurstolds's Avatar
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    Default Spring Codes

    This spring chart is divided into three columns as follows:
    • 1st column- two digit alpha code
    • 2nd column- service part number
    • 3rd column- three digit alpha code

    The information in the 1st column can be found on the vehicle option label and will be preceded on the option label by a numeric code which indicates the location on the vehicle

    • 6- left front spring
    • 7- right front spring
    • 8- left rear spring
    • 9- right rear spring

    The information in the 2nd column has the service part number.
    The information in the 3rd column can be found on the spring tag.
    Front Springs
    SERV ID CODE SERV PART NO. CODE PHYS ID
    XF 14080026 DXF
    XH 14080026 DXH
    XJ 14080028 DXJ
    XK 14080028 DXK
    XT 14080034 DXT
    XU 14080034 DXU
    XX 14080036 DXX
    XW 14080036 DXW
    YF 14080044 DYF
    YH 14080044 DYH
    YJ 14080046 DYJ
    YK 14080046 DYK
    YT 14080052 DYT
    YU 14080052 DYU
    YW 14080054 DYW
    YX 14080054 DYX
    NK 14080083 DNK
    NM 14080083 DNM
    XY 14080087 DXY
    NT 14080087 DNT
    NY 14080092 DNY
    NZ 14080092 DNZ
    YY 14080096 DYY
    UN 14080096 DUN
    NU 14080088 DNU
    UJ 14080093 DUJ
    UR 14080098 DUR
    US 14080098 DUS
    UT 14080098 DUT
    NN 14080085 DNN
    NR 14080085 DNR
    NS 14080085 DNS
    XC 14080024 DXC
    XD 14080024 DXD
    Rear Springs
    SERVICE CODE SERV PART NO. CODE PHYS ID
    HP 477512 NHP
    PZ 477512 PZ
    ST 485719 ST
    TU 485719 TU
    SJ 485727 SJ
    TJ 485727 TJ
    SW 485734 SW
    TS 485736 TS
    FU 494672 NFU
    HJ 494672 NHJ
    HK 10002985 NHK
    HN 10002985 NHN
    OB 485721 OB
    TF 485721 TF
    TA 485736 TA
    SW 485734 SW
    ZZ 485738 ZZ
    CM 485728 NCM

  2. #2
    Administrator 88hurstolds's Avatar
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    Default

    The front spring rate is 420lbs for the heavy duty F41 spring used in 442/H/O (moog part # 5606).
    The normal duty spring has a spring rate of 346lbs (moog part # 5606).
    Front springs were trimmed at the factory to achieve right height based on options (aluminum components, non-AC/AC, V6/V8 etc.)
    For the back springs the heavy duty F41 is 142lbs (moog part # 5391) and the stock normal duty has a spring rate of around 120lbs (moog part # 5379).
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  3. #3
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    Default

    Thanks for the info.

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