When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
The one on my 79 Suzuki is separate, but newer ones are combined with the regulator. Just about any one, be it from a Honda, Kawasaki, Suzuki, or Yamaha will work as long as it fits and has the same plug connectors.