Mower blade question

[Isleblue65 0]

I have a 48" deck on my 7016H. The deck MFG. No. is: 1690021 I'm trying to order Gator mulching blades for it, but Jack's Small Engines website asks for the original manufacturer blade number. How do I find this? Also, for the same deck I need new rollers and I'd like to block the output chute for better mulching. Is there a plate for this, or will I need to make one? Anyone know where to find the rollers and part number? Thanks

[PhanDad 3,772]

Go here and download parts manual for the tractor and deck: http://www.simplicitytechpubs.com/6767PRINT/PDF_files/TP_400_0364_00_GT_S.pdf On page 54/5 you'll see the blade part number is: 108448

[Isleblue65 0]

Thanks Bill!