GM 8.25 IFS Front Differential
3.42, 3.73, 4.10 Ratios Available
IC 1437 (3.42), 1336A (3.73), 1336B (4.10), 1362 (3.73 AWD), 1388 (4.10 AWD)
OE Part Numbers
IC 1437 - 15860079
Codes JP5, WH2
IC 1336A - 15860083
Codes MY7, TUG, UL2, US9, WH1, XC8, XS4, ZXN
IC 1336B - 15860084 
Codes JM6, MY8, TUJ, UL5, UN1, XC9, XS5, XZ6, ZXP
IC 1362 - 15839874
Codes TUF, UT5, WH3, WZ6, XR4, XZ6
IC 1388 - 15860636
Codes JM5, TUH, UT6, W27, XR5
No core required
Ships Dry
FOB Minneapolis, MN, USA