It would have originally had a "AC" S-2 oil filter on it if installed as a Dealer Accessory. 11 5/8" inches tall, by 5"in. wide. Check out the Tech. section of this website under oil filters. That's what's on my '52 470 series COE with 302 engine.
Spanky Hardy Collector Of Fine Old G.M. COE Trucks & Antique Holmes Wreckers