What is the easiest way to remove the filter on a 2004 miata (nb) ls? wheel well? from the top? this fits a 1.6?

This fit my 1.6 NA fine. Didn't have any trouble removing it from the top, but it was just as easy from underneath. Not sure about the 2004 compatibility. Remember not to over tighten it, and apply a little oil to the seal before installing. Also make sure that the old seal from the previous filter isn't stuck to the block.

Does anybody know the diameter?

I use this item on my '91 Miata and son's '03 Protege5. Just measured the diameter on one in my used filter bin and it shows approximately 2 -3/4" (2.75") at the base and the cannister is slightly less at about 2.68 or about 68 mm.

ASIN	B004HLDR3A
Best Sellers Rank	#19,802 in Automotive ( See Top 100 in Automotive ) #104 in Automotive Replacement Oil Filters
Brand	Mazda
Customer Reviews	4.9 4.9 out of 5 stars (379)
Date First Available	1 January 2024
Exterior	Machined
Item Weight	227 g
Item model number	B6Y1-14-302A
Manufacturer	Mazda
Manufacturer Part Number	B6Y1-14-302A
Model	Oil Filter
OEM Part Number	B6Y1-14-302A
Product Dimensions	7.37 x 7.37 x 6.86 cm; 226.8 g

Mazda Genuine B6Y1-14-302A Oil Filter

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