04864956 is the correct OEM part number for RHD. More often than not any leading zeroes are best left off when searching OEM part numbers on line. I guess Bonza just missed the second 4 when typing the number.
Here's a few on ebay for price comparison...
https://www.ebay.com/itm/BRAND-NEW-O...1&isGTR=1#shId
https://www.ebay.com/itm/Genuine-Mop...1&isGTR=1#shId
https://www.ebay.com/itm/HVAC-Blower...1&isGTR=1#shId