Spark Plugs reviews from Reddit
Summary
We analyzed 206 Reddit reviews across 62 subreddits and 86 posts to rank the best Spark Plugs brands recommended by redditors, including communities like r/fordranger, r/G37, r/FordFocus, r/ecoboostmustang, r/motorizedbicycles. Top-rated brands include NGK (4.5/5), Denso (4.4/5), OEM (4.4/5).
Stats
Reviews206
Subreddits62
Posts86
Brands35
Products57
206 reviews from
and
By Brand
/By Product
#1
NGK
4.5
(86)
"For plugs, either NGK Racing R7438-8 (4905) or Denso IKH01-24 (5749). They're one step colder plugs with non-projected electrodes that won't break off and grenade the engine under boost like some other plugs."
"NGK Laser Iridium is what you’ll want to use. Those are OE plugs honda uses on most of their Civics!"
"I’ve never had a bad iridium plug"
"NGK iridium plugs are what come with the car I believe."
"For that Lex NGK ..ruthenium"
"Ngk iridium"
"I'm running NGK BP5HS in both of my moded 66cc engines. Playdough mold checked clearance, no problems and excellent plug color."
"NGK all the way"
"My local auto zone gave me ngk BPR6HS it is a copper plug with projected tip insulator runs great ."
"NGK 97506 if you’re tuned or Bosch FR7SPP302U if you’re not."
#2
Denso
4.4
(25)
"I ran the Denso’s on mine and they were great."
"For plugs, either NGK Racing R7438-8 (4905) or Denso IKH01-24 (5749). They're one step colder plugs with non-projected electrodes that won't break off and grenade the engine under boost like some other plugs."
"Denso Iridium"
"Yes Lexus buys spark plugs from Denso iridium and in all their cars."
"Denso every time"
"Those or the densos should be fine."
"Get the Denso or NGK(both OEM)"
"OEM Denso off of rock auto"
"I run Denso IKH0-24 run great"
"I personally run the densos and they have been good so far, they spark"
#3
OEM
4.4
(17)
"OEM are high quality"
"Stick with the dealer oem"
"The OEM plugs are the best."
"Just get Oem's or go for a better aftermarket set."
"Oem is best for these cars"
"Yeah oem ones for sure."
"Use the oem iridium ones."
"Yeah, you can't go wrong with OEM."
"Id say oem sparkplugs if youre not tuned."
"4 OEM spark plugs from the dealership is ~$80."
#4
Motorcraft
4.4
(17)
"I've gotten over 100000 miles on these plugs and motorcraft wires."
"Also, use Motorcraft plug wires"
"Motorcraft all the way."
"Motorcraft and Motorcraft EZ."
"Motorcraft plugs and wires."
"Just get the motor craft."
"I stuck with OEM Motorcraft plugs when I wasn’t tuned, but Ruthenium plugs at OEM heat and gap would be good."
"Motorcraft ,bosch or ngks."
"OEM Motorcraft unless you have a tune to need something else."
"Ford OEM Motorcraft OEM Spark Plug."
#5
Champion
3.6
(8)
"Champion is the best brand for older Dodge/Chrysler products. It’s what they came with from the factory, and it’s not uncommon for other brands to cause occasional misses."
"Cheap ass copper champions. She hates all others"
"Champion iridium. Champion was the o e m manufacturer"
"OEM Champion Copper. All the engines then were super picky about spark plugs."
"Champion RC12ECC (P/N 438)."
"Pretty sure I have Champion in mine"
"Use Champion replacement."
"Dont run anything other than champion."
#6
Bosch
4.1
(7)
"Ordered from FCP Euro. Bosch coil packs and VW (ngk) spark plugs."
"Bosch should be good as long as they are genuine Bosch."
"I've had good experience with Bosch Iridium spark plugs in my vehicles over the years."
"Bosch all the way!"
"Make sure you use an OEM equivalent."
"There is a Bosch iridium with 4 electrodes. Works great for me!"
"I went with a set of Bosch Iridium plugs (they were on sale) and my engine misfires completely went away."
#7
Autolite
4.0
(7)
"Autolites will be just fine"
"Autolite Racing AR103 Copper Plugs for a little extra kick."
"I've been told to go for iridium plugs."
"Autolite Iridium plugs, Motorcraft coils."
"These are good plugs Autolite my mechanic recommended them to me good spark and seems like my truck is running smoothly and there a good price."
"I am running platinum Autolite plugs in my 2.3 rwd."
"Stick to regular copper core plugs. Replace every 30-40k miles."
#8
HKS
4.6
(5)
"HKS best performance"
"HKS spark plugs are what I’m running!"
"Get the hks plugs, they work fantastic for the stinger."
"Go with hks they will in theory last longer if everything else is stock."
"HKS is the way to go if you plan on making real power."
#9
Iridium
3.7
(3)
"Use the Iridiums or Rutheniums."
"I got the iridium ones because they were on sale on rock auto."
"Those iridium spark plugs will only really make a difference for high-revving high compression engines."
#10
TunePlus
4.5
(2)
"Have bought countless sets from Adam at TunePlus and they are always 100% perfect 100% of the time."
"Tune plus"
#11
Hyundai OEM Spark Plugs
4.5
(2)
"The best spark plugs are exactly the ones that Hyundai put in it."
"18849-09085 is the Hyundai Part Number for your Spark plugs."
#12
Parker Performance
4.0
(2)
"Go to Parker Performance"
"Parker Performance has the pre-gapped plugs at .028 on their website."
#13
Ruthenium
4.0
(2)
"Ruthenium, if you don't want to change, plugs every other oil change."
"Ngl ruthenium’s idle much better than iridium’s in my car and have less misfires."
#14
Brisk
3.5
(2)
"I personally use Brisk N14C. I don't know if it's the best but served me much better than the stock one."
"Brisk"
#15
Ford
5.0
(1)
"The factory ford plugs are the go."
#16
XP985
5.0
(1)
"I put the XP985 in both of our 4.0 WJ and they run great on them."
#17
RockAuto
5.0
(1)
"Try rockauto.com"
#18
HKS Super Fire Racing
5.0
(1)
"I just bought these HKS Super Fire Racing plugs to go with a tune."
#19
Denso IKH0-24
5.0
(1)
"I run Denso IKH0-24 run great."
#20
NGK Ruthenium HX Spark Plug
5.0
(1)
"Heres what you need big dog!"
#21
DENSO Spark Plugs
5.0
(1)
"These get great fuel economy, smooth idle, Great Power."
#22
Genuine
5.0
(1)
"Just go"
#23
FCP Euro
4.0
(1)
"I'll be buying the 1-step colder ignition pack from FCP Euro."
#24
APR
4.0
(1)
"I chose to go with APRs plug."
#25
NGK Titanium Plugs
4.0
(1)
"Titanium plugs from NGK (they make the Honda plugs) or DENSO only."
#26
Delco 41-110
4.0
(1)
"I run Delco 41-110 plugs and Delphi wires."
#27
NGK Double Platinum
4.0
(1)
"NGK double platinum is factory."
#28
NGK 94833
4.0
(1)
"I bought NGK-94833 spark plugs from FCPEuro."
#29
NGK Iridium or Ruthenium Spark Plugs
4.0
(1)
"I’ve ran both, the ruthenium’s tend to last a couple thousand miles longer before I get an uptick in misfire again."
#30
E3 Spark Plugs
4.0
(1)
"Try E3 plugs from O’Reilly… they run real good in my 98 3.0"
#31
NGK BR7HS or BR6HS
4.0
(1)
"The lower the number on the plug is the hotter the plug."
#32
E3.32
4.0
(1)
"Just make sure you use a little spacer because the threads are a little deeper than normal."
#33
OEM Spark Plugs
4.0
(1)
"Having the correct gap and material will be more valuable than the additional mileage."
#34
Motorcraft Iridium Spark Plugs
4.0
(1)
"Check rockauto, and use iridium motorcraft, just tighten it down not too much."
#35
Laser
3.0
(1)
"Laser or IX, and wouldn't worry about going colder on a stock 1zz."
Discover your audience
GummySearch is an audience research toolkit for 130,000 unique communities on Reddit.
If you are looking for startup problems to solve, want to validate your idea or find your customers online, GummySearch is for you.
Sign up for free, get community insights in minutes.
Tell me more
Get started
