From my 2013 Suburban 1500 5.3L with 135,800 miles. 6,100 miles and 6 months with Mobil 1 0w-40 FS. Replaced with my last OG XG10060 and M1 0w-40 FS.
Can't quite make out the date code. 181st day of 2020? Purchased in Jan 2021
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