shunter 20 #1 Posted April 21, 2018 I have a charger 12 1-7231 and i was wondering what filter i would use and what to use to refill it with, i have no idea when this was last changed. is there any where i can find this info? any help would be super!! thanks Share this post Link to post Share on other sites
pfrederi 17,129 #2 Posted April 21, 2018 Wix 51410 Would have had ATF originally but may have been changed to 10w-30 motor oil. if it is red it is ATF tan Motor oil. Stick with what ever was in there. 1 1 Share this post Link to post Share on other sites
