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.

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Mazda Genuine B6Y1-14-302A Oil Filter

Product ID: 238362417

Details

Brand
MAZDA
Item dimensions L x W x H
7.4 x 7.4 x
Material
metal paper
Product grade
Performance
Vehicle service type
Truck

🔧Exact OEM fit for Mazda trucks

⚙️Performance-grade filtration

🛡️Durable metal & paper construction

AR$91349

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

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

PRECISION OEM FIT - Engineered by Mazda for a flawless, vehicle-specific installation—no guesswork, no compromises.
NO AFTERMARKET RISK - Avoid the pitfalls of generic filters—this is the genuine Mazda part designed for peak performance.
TRUSTED BY THOUSANDS - Rated 4.9 stars by 399 users who demand reliability and authenticity in every mile.
UNMATCHED DURABILITY - Built with premium metal and paper materials to withstand rigorous truck engine demands.
PERFORMANCE GRADE QUALITY - Delivers superior filtration to keep your engine running smoother, longer—trust the genuine part.

The Mazda Genuine B6Y1-14-302A Oil Filter is a factory-original, performance-grade replacement part designed specifically for Mazda trucks. Crafted from durable metal and paper, it ensures precise fitment and superior filtration, backed by outstanding customer ratings and trusted OEM quality.

Specifications

ASIN	B004HLDR3A
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	106,399 in Automotive ( See Top 100 in Automotive ) 698 in Car Oil Filters
Brand	MAZDA
Brand Name	MAZDA
Compatible with Vehicle Type	Truck
Customer Reviews	4.9 out of 5 stars 399 Reviews
Included Components	Oil Filter
Item Dimensions	7.4 x 7.4 x 6.9 centimetres
Item Type Name	Oil Filter
Item Weight	227 g
Item dimensions L x W x H	7.4 x 7.4 x 6.9 centimetres
Manufacturer	Mazda
Manufacturer Part Number	B6Y1-14-302A
Material	metal, paper
Material Type	metal, paper
Model Number	B6Y1-14-302A
Number of Items	1
Number of Packs	1
OEM Equivalent Part Number	B6Y1-14-302A
Outside Diameter	2.9 Inches
Outside diameter	2.9 Inches
Part Interchange Info	replacement
Product Grade	Performance Part
Product grade	Performance Part
Thread Size	M16 x 1.5
Unit Count	1.0 count
Vehicle service type	Truck

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

M**K

Feer the quarity

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

7.07.2025

E**Y

Oil filter

Great fit and for a great price

7.11.2025

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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

3 days ago

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