I would like to try the new Bosch Icon wiper blades on my 1985 300TD. I put them on my wife's car and they work great. However the parts catalogs doesn't show this car ! They are 20" blades normally. I read on one post where there are A and B types for left and right side of car ? And then in FastLane I see they call out a 18 and 17 inch ICON blade for this car. What's up with that ? Can't I just us a 20A and a 20B ? Or will they not fit the windshield ?

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David McDonald
1981 240D
1985 300D (wrecked)
1985 300TD 365,000 miles
1969 Mustang Fastback