Spark plug NGK or OEM Mazda

vs

PartReview Score

81

Rank #1 in ranking

1506

597

71

95

763

4.0

Acceleration

3.7

Idle

3.5

Starting

4.1

Owners' choice:

PR Score

Ranking

Votes

Reviews

Average rating

Properties

Car

PartReview Score

95

Rank #6 in ranking

39

13

1

0

14

4.5

Acceleration

4.3

Idle

4.0

Starting

4.5

No data

Reviews

All

NGK

OEM Mazda

NGK › Spark plug

tomorrowing 5 Jul 2021, 16:17

Rating 5.0

I just did the change myself on my Gen 1 Mazda 3. It's simple! I used NGK Laser Iridiums.

Pros: simple to change

Vehicle: Mazda 3

NGK › Spark plug

PIG20 5 Jul 2021, 01:41

Acceleration:

Rating 5.0

The NGK's worked beautifuly.

Pros: worked beautifully

Vehicle: Mazda

NGK › Spark plug

SnooRegrets7670 22 Jun 2021, 21:46

Rating 5.0

I used NGK, 6 month no issues.

Pros: no issues

NGK › Spark plug

Fenderanch 22 Jun 2021, 17:29

Starting:
Idle:
Acceleration:

Rating 5.0

Get NGK plugs instead...mine have been working great.

Pros: working great

NGK › Spark plug

Polochon 19 Jun 2021, 18:44

Idle:

Rating 4.0

I'm currently is20 United 91 octane tune, APR packs and NGK RS7 plugs (one step colder thant oem), gapped at around 0,028'' and car feels solid. No misfire, no EPC. However it honestly feels just like when I was with oem coilpacks and plugs. Maybe now idle feels a little bit smoother.

Pros: solid performance, smoother idle

Cons: similar to OEM

Vehicle: Volkswagen Golf

Part number: RS7

NGK › Spark plug

ajaxburger 19 Jun 2021, 14:35

Idle:
Acceleration:

Rating 5.0

I’m now running factory heat range NGK 94833 plugs gapped at 0.03 and the car runs so much cleaner.

Pros: runs much cleaner

Vehicle: Volkswagen Golf

Part number: 94833

NGK › Spark plug

basement-thug 16 May 2021, 02:14

Rating 5.0

I don't understand why you didn't just get the NGK iridium plugs.

Vehicle: Subaru

NGK › Spark plug

SeveralIntroduction9 4 May 2021, 00:54

Rating 5.0

I've ventured from NGKs and always go running back.

Pros: reliable performance

NGK › Spark plug

skidplate 6 Jul 2020, 15:12

Rating 3.0

This. I had the 7s in previously. I swapped to the 8s when someone mentioned they got better fuel mileage with them I didn't notice any difference.

Pros: better fuel mileage

Cons: no noticeable difference

Vehicle: Volkswagen Golf

NGK › Spark plug

JakeSaint 17 Feb 2015, 03:19

Rating 2.0

Most imports (To the US) don't like anything but NGK/Denso.

Cons: imports don't like

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Voted AGAINST engine oil RAVENOL on the rating page

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