The last 3 sets I have installed are used, and they served their purpose well. I will buy a brand new set this time around. I can do the job in about 45 min after all the swapping I have done.....

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1983 Mercedes 300SD
1987 Mercedes 300SDL
2001 VW Passat 2.8 AWD
2007 OM642 Jeep WK 4x4