Someone replaced the shift knob on my '87 190 E 2.3
The black rubber strip that surrounds the shifter has been removed, and it appears a few of the "teeth" that previously held it in have been broken. How do I replace this? Do I need to buy a whole new zebrano shift cover? Thanks.

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1987 190 E 2.3 8v (120,000 miles, daily driver)

-16" slk wheels
-clear corner lenses
-Alpine headunit
-Infinity Kappa speakers
-Infinity Basslink