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.

Mazda Genuine B6y1 14 302a Oil Filter

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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AR$89652

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

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Description

🛠️ Keep your Mazda running like new with the filter that means business.

PRECISION OEM FIT - Engineered to match Mazda’s exact factory specifications for seamless installation and optimal performance.
TRUSTED BY THOUSANDS - Rated 4.9 stars by nearly 400 Mazda owners who demand nothing but the best for their vehicles.
UNMATCHED DURABILITY - Constructed with premium metal and high-grade filter paper to ensure long-lasting protection under all driving conditions.
PERFECT COMPATIBILITY - Designed exclusively for Mazda cars, eliminating guesswork and ensuring perfect thread size and fit every time.
PERFORMANCE GRADE QUALITY - A genuine Mazda part that guarantees superior filtration, safeguarding your engine’s health mile after mile.

The Mazda Genuine B6Y1-14-302A Oil Filter is an OEM performance-grade replacement part designed specifically for Mazda vehicles. Crafted from durable metal and premium filter paper, it ensures precise fit and superior engine protection. Highly rated by users, this filter delivers reliable filtration and longevity, making it the trusted choice for maintaining your Mazda’s peak performance.

Specifications

ASIN	B004HLDR3A
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#31,087 in Automotive ( See Top 100 in Automotive ) #161 in Automotive Replacement Oil Filters
Brand	Mazda
Brand Name	Mazda
Compatible with Vehicle Type	Car
Country of Publication	China
Customer Reviews	4.9 out of 5 stars 398 Reviews
Included Components	Oil Filter
Item Dimensions	7.4 x 7.4 x 6.9 centimeters
Item Type Name	Oil Filter
Item Weight	0.5 Pounds
Item dimensions L x W x H	7.4 x 7.4 x 6.9 centimeters
Manufacturer	Mazda
Manufacturer Part Number	B6Y1-14-302A
Material	metal, paper
Material Type	metal, paper
Model Number	B6Y1-14-302A
Number of Items	1
OEM Equivalent Part Number	B6Y1-14-302A
Outside Diameter	2.9 Inches
Outside diameter	2.9 Inches
Part Interchange Info	Interchangeable with original Mazda oil filter for Mazda cars
Product Grade	Performance Part
Product grade	Performance Part
Thread Size	M16 x 1.5
Vehicle service type	Car

Reviews

M**L

Excelente producto coincide con la descripción

Le quedó a la perfección

2.01.2026

J**Z

Oem

Oem quality

12.05.2026

A**ー

良いです

DJデミオ１５００ｃｃに交換しました。やっぱり純正品が良いですね。（ガソリン）

28.01.2023

J**S

Excelente calidad

Siempre utilizo este para hacer los cambios de aceite a mi Mazda 3 2022.

1.09.2024

M**K

Feer the quarity

Legit Mazda filter. Made in Japan. Worth it. Works great on 2011 Mazda 2.

7.07.2025

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AR$89652

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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Smooth transaction and product arrived in perfect condition.