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#4667463 - 02/16/18 07:06 AM OEM Plugs for Lexus?
ford46guy Offline


Registered: 06/01/13
Posts: 523
Loc: Albany, NY
The Lexus below is at 90k and never had plugs, rides ok but I can tell it needs them. Lexus said it can go till 120K but the manual says 60k. It is a DI engine.

The OEM plug(FK20HBR11) is expensive no matter where you buy it. The best price for a set of six out the door with discounts is about $83. Dealer quoted $35+tx(EACH!) but I think the retail is $18.

Denso also makes a compatible TT Iridium plug. It is $32 out the door for a set of 6 w/discounts. This has a .4 electrode vs the .6 or so in the OEM. I read in some cases they last till 100K but I also read 30K. I have them in my Explorer and it really cleaned up the idle, it idles better than the Lexus now.

Denso plugs are heavily counterfeited and there are many on ebay that are priced too good be true (especially the OEM, and they are in Toyota boxes).

I also see copper plugs for a buck a piece, I'm tempted, can change them out at 20-30K.

I don't know if DI needs that finewire electrode though. Seems those TT plugs create a very precise spark, the thinner the better!
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96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30

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#4667465 - 02/16/18 07:11 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
Trav Offline


Registered: 11/20/06
Posts: 18257
Loc: MA, Mittelfranken.de
Use OE, the last thing you need on that car are cat damaging misfires.
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#4667476 - 02/16/18 07:23 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
simple_gifts Offline


Registered: 07/26/04
Posts: 11869
Loc: Middlesex County CT
$83 every 90K?

That is 3 tanks of gas.


Edited by simple_gifts (02/16/18 07:23 AM)
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#4667479 - 02/16/18 07:24 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
Char Baby Offline


Registered: 05/25/05
Posts: 9751
Loc: ROCHESTER, NY
Use OE only
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#4667480 - 02/16/18 07:27 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
Rolla07 Offline


Registered: 11/05/11
Posts: 4671
Loc: MTL, CANADA
Driving a Lexus and cheaping out on plugs? Spend the money and you wont need to worry for 60k plus miles. You are overthinking it smile
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#4667491 - 02/16/18 07:41 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
rooflessVW Online   content


Registered: 12/24/11
Posts: 3672
Loc: North Carolina
OE plugs only.

I'm more inclined to mess around on older cars, but not something so new and with DI. If an aftermarket fine wire iridium plug was available with the correct gap I might give it a try, but it doesn't appear that there is.
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#4667492 - 02/16/18 07:42 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
Jimzz Offline


Registered: 10/03/14
Posts: 1107
Loc: NoVA
I've used Denso, NGK, and even the new Bosch in Toyota/Lexus with no issues. Use which ever is cheaper, your car will not know or care.
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#4667519 - 02/16/18 08:05 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
Iowegian Offline


Registered: 01/05/17
Posts: 273
Loc: Iowa
Sometimes you are okay with non oem and sometimes you are not.
How hard is it to get to the plugs?
If the the back 3 require removing the intake, then you may want to replace the coils on plugs too.
For that matter, be prepared to clean intake valves while the cover is off.
Just a thought.
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#4667525 - 02/16/18 08:09 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
ford46guy Offline


Registered: 06/01/13
Posts: 523
Loc: Albany, NY
Rockauto has the OEMs for $67 shipped with discounts, problem solved there. The OEMs are a "Long Life Series" from Denso. The TTs are thinner.

I guess Rockauto wouldn't be a place for counterfeits.
_________________________
95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
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#4667527 - 02/16/18 08:11 AM Re: OEM Plugs for Lexus? [Re: Iowegian]
ford46guy Offline


Registered: 06/01/13
Posts: 523
Loc: Albany, NY
Originally Posted By: Iowegian
Sometimes you are okay with non oem and sometimes you are not.
How hard is it to get to the plugs?
If the the back 3 require removing the intake, then you may want to replace the coils on plugs too.
For that matter, be prepared to clean intake valves while the cover is off.
Just a thought.

It is a RWD layout, maybe a bit more work than the Grand Marquis. Easy job, the dealer soaks you for 2.2hrs of labor.
_________________________
95 Tbird V8 240K PP SYNTH ULTRA 5W30
98 MGM 160K M1 HM 5W20
96 Explorer EB V6 159K PP SYNTH HM 5W30
95 Conti 155K MC 5W20
11 GS350 90K PP HM 5W30

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#4667571 - 02/16/18 08:46 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
HowAboutThis Offline


Registered: 10/08/17
Posts: 82
Loc: USA
I've always been a Denso or NGK guy. The top of the line are usually the 100k+ plugs. For 4 in my previous cars usually about $50-60. That price seems reasonable. $80-90 every 100-120k is cheap. Same reason I buy a good 80-90k tire instead of a 40-50k. Better value but more up front.

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#4667595 - 02/16/18 09:01 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
JMJNet Offline


Registered: 09/06/07
Posts: 904
Loc: TX, USA
The 3 on the back are kind of difficult to do so you don't want to put Copper Plugs in there.

I usually use NGK or Denso for Toyota/Lexus.
Their long life version is about $9, unless the price has gone up.
Sometimes, if you wait, Amazon may have a coupon that you can use with Prime (assuming you have Prime).


Edited by JMJNet (02/16/18 09:02 AM)
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#4667625 - 02/16/18 09:33 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
Dyusik Offline


Registered: 09/26/14
Posts: 1868
Loc: US-WA
Denso TT is identical to the oem fyi. Have them in currently, rock auto had them cheap at the time. Check there.
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#4667711 - 02/16/18 10:38 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
researcher Offline


Registered: 04/12/12
Posts: 228
Loc: Michigan
Originally Posted By: ford46guy
Rockauto has the OEMs for $67 shipped with discounts, problem solved there. The OEMs are a "Long Life Series" from Denso. The TTs are thinner.

I guess Rockauto wouldn't be a place for counterfeits.


actually I remember some people getting some questionable things from rockauto, but rockauto took care of it, no problem.

also, on my scion tC (toyota 2az-fe engine) it came from the factory with NGK plugs instead of denso. Some came with Denso, some came with NGK. I prefer NGK. have you looked at the NGK equivalent?? on mine they're called Laser Iridium and have the fatter/wider center electrode. Might be cheaper..

I got mine at my local NAPA. Wasn't much different in price from online prices.

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#4667767 - 02/16/18 11:39 AM Re: OEM Plugs for Lexus? [Re: ford46guy]
nthach Offline


Registered: 01/02/04
Posts: 3682
Loc: California
OE only. Don't cheap out with these.

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