Have replaced a number of engine mounts over the years, but cannot tell them apart by looking. What is the difference between them, and why the large dollar differential? Am I missing something here?

Thx

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Bill Brune

86 190D 2.5 5spd 314k
87 190DT 150k
87 300SDL 357k
95 E300D 115k
02 Jetta TDI 90k
99 Subaru Legacy