I'm swapping my engine there's a couple differences one with the coil packs two with the flywheel I have the stamp number for each engine I'm wondering what I'm looking at or what the difference is are other than wiring harness I can use my old coil packs I'm not sure about the flywheel anybody help me out to 2006 Dodge Magnum sxd 3.5 ohc
Serial # 59K252420615/ NEW ONE -- 69K131620618/ OLD ONE DO THEY MATCH EACH OTHER