The wiper arm fitting for this model is the Standard Hook arm attachment. Alternatively, you can choose to upgrade to the newer Retrofit style wiper blades.
Porsche 911 1989 to 1992 Windscreen Wiper Blades
The Porsche 911 model from 1989 to 1992 (964) is compatible with windscreen wiper blades measuring 13" on both the driver's side and the passenger's side. These wiper blades are specifically designed to fit this particular vehicle.
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