warning light assimilatir

Hey guys just realize that I don’t have any WLA on my 74 850 roadster. I found this on eBay : https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.cafr.ebay.ca%2Fulk%2Fitm%2F323787736605 would you recommend it or you recommend the stock part from Andover? regards