Description Additional Info Product Reviews Pipe Fitting Straight Thread with O-Ring 1-1/2in-12 x 1-1/2in-12 3/4in Tube Size Cross References:2503-12-12, Cummins: 3047340, 25031212, Mack: 6635-25031212, PAP840111 UPC: 193807115777 Condition: New Weight: 0.62 LBS Mfr Part Number: 840111