Mazda Oil Filters Date Code

Joined
Jan 10, 2017
Messages
123
Location
Concord, North Carolina, USA
Can someone help me decipher the date code on some Mazda OE Oil filters for the 2.5 engine. These are the ones made in Thailand, # 1WPE-14-302. The codes on two different ones are: HE24C21 and DE26C06. Both were recently purchased from a Mazda Dealer.

I also have another Mazda OE Oil filter for the turbo 2.5 engine, filter # 1WP6-14-302, made in Thailand, with date code HE20C07. Again, this was recently purchased (around 6 months or less).

Please notice that only the first, second, and fifth digits are letters on all filters. The rest are numbers.

Thanks.
 
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