It's a 2002 according to the VIN. But Jetta GLX for 2002 had both engines. The early ones had the 174 hp while the later ones (2002.5) had the newer 24V 200 hp.
I hope you are kidding. There is more to it than just the heads.
Are you happy /w your 174? Never bothered your before, don't sweat it now. I doubt there is MUCH diff. in noticable power. I was just curious.
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