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  1. Differences between viscous coupling for pre FL and FL

    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. Help help help help help! Please! Zj np231 swap

    Drivetrain Tech Center
    First off, this is my first post. I'm new to this forum thing. Secondly, thank you in advance for any responses i get! Ok, so.. I purchased a 1997 Jeep ZJ Laredo with 318. Obviously it has the NP249 :mad: why, chrysler? why? anyways, i want to drop it and install the NP231 tcase. I have...