My macBook pro has this memory. 4 GB 1333 MHz DDR3 I want to upgrade it. can I purchase it on line?

I want to upgrade the memory of my macBook Pro with serial number C02H168QDV7M can I get two pcs. of 4 GB 1333 MHz DDR3 to buy on line?

Apple Memory Module 8GB 1866MHz DDR3 ECC SDRAM DIMM - 1x8GB

Apple Memory Module 8GB 1866MHz DDR3 ECC SDRAM DIMM - 1x8GB

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