A & B bodies used the same pump up through 66, although the brackets are somewhat different. The pulley looks the same. A/B mounting brackets will bolt right on. FWIW slants used the same pump with different mounting brackets depending if AC-equipped or not and a completely different pulley. The fitting on all uses a 5/8 hose as does the PS box. Steer and Gear provided all the above info when I discussed getting my pump rebuilt.
The PS cooler is U-shaped also using 5/8 hose. Steer and Gear said he’s never seen the PS cooler but knows some C bodies had them. Only C bodies had them if ordered. Here’s one mounted in my 65 Dart
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BTW Steer and Gear paid decent money for a slant pump I had no use for. Maybe some of the above info helps with your sale. Good luck with the sale
