Diodes rectify. My opinion from an old geaser!:laugh::laugh::laugh:Did I say Rectifier? [blush]. Yes. 10A10 Diode.
The explosion was so violent it bent the top lead back and shorted on the frame (I bent it back in the photo). Thanks for the pointer to digikey but I had already ordered 2 replacement Diodes from mouser.com and since I was paying $8 shipping, threw in a 40amp 600v Stud Rectifier using the part number recommended by Tranz4mr. I got options.