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Recommend a spark plug for Toyota 2.4L #4497451
08/25/17 03:42 AM
08/25/17 03:42 AM
Joined: Jan 2016
Posts: 802
NC
Vladiator Offline OP
Vladiator  Offline OP
Joined: Jan 2016
Posts: 802
NC
Need recommendations for good spark plugs for a 2.4L (2AZ-FE) Toyota engine in 2009 Scion xB. Which ones seemed to improve the performance the most for you? Thank you in advance. Would like to stay under $60 for 4 spark plugs.


2000 Lexus GS300-361k
1999 Lexus GS400-213k
2006 Toyota Camry-187k
2006 Toyota Highlander Hybrid-125k
2009 Scion xB-120k
2013 VW Tiguan-120k
2009 Toyota Tacoma-60k
Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497452
08/25/17 04:18 AM
08/25/17 04:18 AM
Joined: May 2005
Posts: 10,281
ROCHESTER, NY
Char Baby Offline
Char Baby  Offline
Joined: May 2005
Posts: 10,281
ROCHESTER, NY
Generally you should replace with the same factory which are most likely Denso or NGK. These will/should give you the best performance, fuel economy & longevity. And you could easily spend less money than $60...maybe even 1/2 that if you buy online.


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic LX
Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497455
08/25/17 04:40 AM
08/25/17 04:40 AM
Joined: Jun 2014
Posts: 1,749
Rijeka, EU
chrisri Offline
chrisri  Offline
Joined: Jun 2014
Posts: 1,749
Rijeka, EU
Denso makes good spark plugs. NGK seems to be copied or they relaxed QC because there was a bad series here. Beru is another option (made in EU) but I'm unsure if available in your specification.


02 Nissan Terrano 2.7.TDi Motul 15w40
06 FIAT Stilo MW 1.9 Multijet SHU 5w40
07 Opel Vectra SW 1.9 CDTI 150 MST 5w40
Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497456
08/25/17 04:45 AM
08/25/17 04:45 AM
Joined: Apr 2017
Posts: 435
TN USA
Crispysea Offline
Crispysea  Offline
Joined: Apr 2017
Posts: 435
TN USA
Denso or NGK. Stay away from Bosch.

Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497459
08/25/17 05:00 AM
08/25/17 05:00 AM
Joined: Nov 2011
Posts: 4,857
MTL, CANADA
Rolla07 Offline
Rolla07  Offline
Joined: Nov 2011
Posts: 4,857
MTL, CANADA
OEM.


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497474
08/25/17 05:47 AM
08/25/17 05:47 AM
Joined: Dec 2016
Posts: 122
Long Island, N.Y.
incognito_2u Offline
incognito_2u  Offline
Joined: Dec 2016
Posts: 122
Long Island, N.Y.
What he said ^^^

Open up the owners manual and pick either the NGK or the DENSO spec'd out in the manual.
Both great plugs.......
$60 seems high for 4 plugs, though.....shop around.
Good Luck!

Last edited by incognito_2u; 08/25/17 05:49 AM. Reason: spelling

2006 Jeep Commander 3.7 V6 -109k (PUP/XG3600)
2006 Toyota Corolla 1.8 VVTi -77k (PPHM/XG3600)
1999 Toyota Corolla 1.8 -78k (PUP/XG4386)
1998 Toyota Corolla 1.8 -62k (PUP/XG4386)
Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497476
08/25/17 05:51 AM
08/25/17 05:51 AM
Joined: Apr 2007
Posts: 2,834
WI.
dblshock Offline
dblshock  Offline
Joined: Apr 2007
Posts: 2,834
WI.
Denso, the thin wire oem version.


16 Civic Coupe Touring 33k
640:1 TCW-3 E091
Edge 0/40 XG7317
Firehawk Indy 500

06 4Runner SR5 141k
640:1 TCW-3
M1 0/40 XG3614
Falken Wildpeak AT3W
Re: Recommend a spark plug for Toyota 2.4L [Re: Crispysea] #4497485
08/25/17 06:20 AM
08/25/17 06:20 AM
Joined: Sep 2004
Posts: 21,635
Orlando, FL
Mr Nice Offline
Mr Nice  Offline
Joined: Sep 2004
Posts: 21,635
Orlando, FL
Originally Posted By: Crispysea
Denso or NGK. Stay away from Bosch.


Yep.

Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497486
08/25/17 06:21 AM
08/25/17 06:21 AM
Joined: Jul 2012
Posts: 377
Michigan
khittner Offline
khittner  Offline
Joined: Jul 2012
Posts: 377
Michigan
I have NGK iridiums arriving today from RockAuto for my Camry's 2AZ-FE. $26 to my door.

Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497492
08/25/17 06:28 AM
08/25/17 06:28 AM
Joined: Mar 2014
Posts: 3,268
NJ
Leo99 Offline
Leo99  Offline
Joined: Mar 2014
Posts: 3,268
NJ
I use denso. Buy them from Amazon.


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
2015 Camry 59,000 miles
Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497500
08/25/17 06:51 AM
08/25/17 06:51 AM
Joined: Dec 2013
Posts: 2,088
socal
barkingspider Offline
barkingspider  Offline
Joined: Dec 2013
Posts: 2,088
socal
Hard to beat denso, ngk, oem


06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
05 Toyota Camry (daughter)
11 GMC Canyon off-road (daily)
Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497510
08/25/17 07:21 AM
08/25/17 07:21 AM
Joined: Jan 2016
Posts: 802
NC
Vladiator Offline OP
Vladiator  Offline OP
Joined: Jan 2016
Posts: 802
NC
Thank you fellas. Will go with NGK. Which is more beneficial though... Copper NGK and replace every year? Which I dont mind, it'll take 10 mins. Or iridium plugs? Do they simply offer longer interval? I want to get the best performance, do not care for the interval. Best performace in terms of fuel economy and power. So which type of NGK?


2000 Lexus GS300-361k
1999 Lexus GS400-213k
2006 Toyota Camry-187k
2006 Toyota Highlander Hybrid-125k
2009 Scion xB-120k
2013 VW Tiguan-120k
2009 Toyota Tacoma-60k
Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497527
08/25/17 07:45 AM
08/25/17 07:45 AM
Joined: Sep 2016
Posts: 1,418
Minnesota
bioburner Offline
bioburner  Offline
Joined: Sep 2016
Posts: 1,418
Minnesota
A pack of iridium Denso or NGK via Amazon are around 25 bucks. Most vehicles using iridium have a change interval of around 90 to 100k. I may pull and check my plugs next spring for the summer driving season. Right now with my Xb having only 35k and it starting near instantly and use of 5-20 its getting over 30mpg. If the car had a 5 speed tranny it would easily get upper 30's IMO



97 Ford E350 D,99 F350 dually D
13 Scion Xb
12 Ford Transit Connect
06 Nissan Xterra
03 K1200 BMW
07 Kawasaki KLR650
13 Madass
Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497537
08/25/17 07:53 AM
08/25/17 07:53 AM
Joined: Jul 2012
Posts: 377
Michigan
khittner Offline
khittner  Offline
Joined: Jul 2012
Posts: 377
Michigan
I doubt that you'd be able to note much difference in your performance measures traceable to your spark plug choice, regardless of marketing hype. Iridiums last the longest distance/time, but I won't run them to 100K as Toyota suggests. The iridium plugs' thread plating may prevent their seizure in the cylinder head, but I still replace them at 50-75K miles to be sure that I have no problems getting them out. This has worked well enough for my Camry's first 263K miles.

Last edited by khittner; 08/25/17 07:55 AM.
Re: Recommend a spark plug for Toyota 2.4L [Re: Vladiator] #4497547
08/25/17 08:05 AM
08/25/17 08:05 AM
Joined: May 2008
Posts: 2,016
NJ
UG_Passat Offline
UG_Passat  Offline
Joined: May 2008
Posts: 2,016
NJ
Originally Posted By: Vlad_the_Russian
Thank you fellas. Will go with NGK. Which is more beneficial though... Copper NGK and replace every year? Which I dont mind, it'll take 10 mins. Or iridium plugs? Do they simply offer longer interval? I want to get the best performance, do not care for the interval. Best performace in terms of fuel economy and power. So which type of NGK?


Wire diameter choice impacts performance vs longevity. Thinner means better performance but reduced longevity

Also ground electrode impacts performance vs longevity. Tapered electrode is better performance but reduced longevity. The rectangular with platinum disc is less performance but better longevity.

I have a set of NGK BR7REIX (0.6mm wire diameter with tapered ground electrode) coming via Amazon to replace the stock plugs on mine, which are equivalent to NGK PFR7S8EG (which is an expensive plug), which is a double platinum plug.

Denso also has "Twin tips" (suffix of TT), which has a cylinder (I think platinum alloy) welded to the ground electrode to give it a balance of performance (reduced quenching of the flame kernel) and longevity (platinum alloy wear resistance). IK-TT's have 0.4mm wire diameter.


If you went Denso, it would be the IK16, IK16-TT, or SK16R11 (0.7mm wire with standard electrode with platinum disc)

Last edited by UG_Passat; 08/25/17 08:14 AM.

2016 VW Tiguan|APR Stage 1|Neuspeed P-Flo|Osram CBI|Redline 5w30
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