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  1. Drivetrain Tech Center
    Hello from Germany! When I search the web, I can find two viscous couplings for the NP249 respectively the NV249, or better say the pre Facelift and the Facelift. The one for the pre Facelift (1993-1996) has part# 4897221AA and the one for the Facelift modell (1997-1998) has part# 4897220AA...
  2. Drivetrain Tech Center
    Hi, greetings from Italy. I own a 1997 ZG 4.0 Limited with the NV249 TCase; ZG is the european version of the ZJ. It is currently stock and it is my daily drive (mostly road, some light off-road, some snow). I would like to add some modifications. I'd start by adding two Truetrac differential...