AZB755V8 Posted June 28, 2020 Share Posted June 28, 2020 What is the correct interior door handle for a 1989 RW Superliner? I got one of both, one on each door. These are the numbers on the back of the parts: 55QS23 Curved Handle 55QS23309A Straight Handle Quote Link to comment Share on other sites More sharing options...
Vladislav Posted June 28, 2020 Share Posted June 28, 2020 Good question. I'm in the line to hear the answer. Quote Никогда не бывает слишком много грузовиков! leversole 11.2012 Link to comment Share on other sites More sharing options...
Dirtymilkman Posted June 29, 2020 Share Posted June 29, 2020 I thought one was for no door panels and the other for interior panels so they don't cut into the panels. 2 Quote Link to comment Share on other sites More sharing options...
AZB755V8 Posted June 30, 2020 Author Share Posted June 30, 2020 Found out and it has to do with the year truck was made. 55QS23 Curved handle was used up to 1979 55QS29309A Straight handle was used after 1979 Makes sense that the A designation is usually a revision for Mack Both worked with the padded interior door panels with no rubbing. Extra clearance with the 55QS29309A Found these online, New for $21 each with pins and Free shipping. By the way there are two different window crank handles. 1 Quote Link to comment Share on other sites More sharing options...
kscarbel2 Posted June 30, 2020 Share Posted June 30, 2020 7 hours ago, AZB755V8 said: Found out and it has to do with the year truck was made. 55QS23 Curved handle was used up to 1979 55QS29309A Straight handle was used after 1979 Makes sense that the A designation is usually a revision for Mack Both worked with the padded interior door panels with no rubbing. Extra clearance with the 55QS29309A Found these online, New for $21 each with pins and Free shipping. By the way there are two different window crank handles. "A" denotes an engineering improvement to the original 55QS29309 part number (no "A"). And so would a "B", "C" and so forth. But it has no relationship with the standard R/U/DM applicable 55QS23. And when there is no "P" variation in the part number, it is considered to be a P1 (e.g. 55QS29309AP1). Quote Link to comment Share on other sites More sharing options...
Dirtymilkman Posted July 1, 2020 Share Posted July 1, 2020 The window crank is the one I always remember rubbing holes in the door panel Quote Link to comment Share on other sites More sharing options...
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