Volkswagen Jetta Junkies banner


  1. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    I want to change the differential on my tranny. I have a 2004 Jetta GLS 1.8T 5 Speed manual. I'm shopping on ECS tuning and all of the differentials say that they are for the oj2 transmission. Can somebody explain what this is please?