i need to get a new diff for my car 91 560 with a limited slip. Should i replace it with another used one can they be rebuilt? Can I sue a 420 diff? I did a search not much on these questions.
2005 320 CDI
2006.5 VW Jetta TDI
1991 560SEL (179000 Sold)
1972 280SEL 4.5 ('The Lead Sled' 320000 miles when sold.)
1972 220D (225000 when sold)