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hotpony891
12-08-2015, 09:16 AM
Is there a location or website in order to get discounted iridium sparkplugs for a Mercury 300xs?
XstreamVking
12-08-2015, 11:47 AM
Napa 12 bucks ea....
Davidlake
12-10-2015, 06:17 PM
Found them on Amazon!
hotpony891
12-14-2015, 06:58 AM
Found them on Amazon!
I checked online. Cant find the part # anywhere. What is the factory part # for this motor?
Davidlake
12-14-2015, 09:37 AM
Amazon: NGK IZFR7M $13.95
rocketman6965
03-14-2016, 03:15 PM
eBay 63.00 if you live in Florida including tax. If not in Florida, even cheaper. No tax:

http://www.ebay.com/itm/NGK-spark-plug-1ZFR5J-5899-or-IZFR6J11-92383-or-IZFR5G-5887-or-IZFR7M-4214-/361000465557?hash=item540d4df495:m:mJac5wKkI9wgLikTIzvSgTQ&vxp=mtr