2006 V6 spark plugs

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2006 V6 spark plugs

Postby johno fish on Wed, 26 Jan 2011 6:26 +0000

hi what plugs do you use in your V6 hilux standard or other and why i am about to change mine

thanks johno
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Re: 2006 V6 spark plugs

Postby Dluxv6 on Thu, 27 Jan 2011 4:02 +0000

apparantly the good oil is
buy TRD ones
this info came from Gulfstream a member who hasnt been on in a while
Quote from his email

The TRD Iridium Denso Spark plugs VKH20 5618 should be available from any Toyota parts dealer – You will have to be a bit smart with them and just give them the part number first – If they need more information tell them that they are the standard plugs for a TRD Hilux V6.

The buggers are making it hard for standard Hilux owners to by TRD parts for some reason, sometimes they will ask for a VIN – If they still question you say “I have been told by my mechanic in order to stop detonation I need to install these plugs”.

Expect to pay around $15-$17 per plug – there dear suckers but the NGK equivalent is $27 per plug. Oh and one more
Oh and I forgot to add that they will fit any 1GR-FE and that means yours as well – Also please use a torque wrench when installing plugs – 20NW or 15Ftlb only
hope this helps
Drew
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Re: 2006 V6 spark plugs

Postby jap on Thu, 27 Jan 2011 5:54 +0000

The Quickest TRD Hilux in Australia - 13.690 @ 100.56mph
True Bolt-On Power, Performance & Reliability

Traded for:

BT50 D/C 3.2l Auto - TJM Deluxe Bullbar - TJM Rear Step - TJM Canopy - Airtec Snorkel
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Re: 2006 V6 spark plugs

Postby johno fish on Fri, 28 Jan 2011 2:51 +0000

why use Iridium plugs in a stock 4 ltr v6 , thanks for the info too Dluxv6, Jap love your truck mate must go hard ,which it does indeed. Ive got a K&N filtter and can see a difference in performance n fuel use
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Re: 2006 V6 spark plugs

Postby czechdave on Mon, 14 May 2012 2:57 +0000

Im due for some new plugs now too, what advantages or gains are there with the Denso iridiums?
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Re: 2006 V6 spark plugs

Postby Dluxv6 on Mon, 14 May 2012 4:47 +0000

Hi dave
mate this is an old thread

according to Gulfstream (member) the iridium give a better spark and also cheaper than others
snake oil i suppose
i am due for 100,000 soon so will be looking a little more into this

Cheers

Drew
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how come they can't have a headache and sex at the same time
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Re: 2006 V6 spark plugs

Postby jakelux on Mon, 21 Jan 2013 5:28 +0000

I ordered some Iridium plugs today through Toyota.. Gulfstream is right they don't like giving out TRD parts to none TRD owners, wanted a vin or chassis number.
I just dropped the line that i needed them to stop detonation and was all good :D
All they need is VKH20, the other numbers arn't on there database (apparently)
I paid $98 for the 6
8-)
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Re: 2006 V6 spark plugs

Postby Gulfstream8 on Wed, 09 Oct 2013 10:40 +0000

Hi guys sorry I missed this thread

The Denso TRD plugs have the finest electrode on the market - this reduces the possibility of crap adhering to the plug plus it keeps the temp down reducing the chance of detonation. Unlike popular belief that the TRD plugs are a temp lower - they are the same temp range as standard just more reliable!

Because of this that is why TRD installed them - unlike the standard plugs these can go 100,000k and I can attest to the fact that they are still clean at this point.

The standard plugs need to be changed every 40,000klms but because the TRD supercharger restricts easy changing of the plugs TRD upgraded to these.

The quality of these Denso plugs up close compared to an equivalent NKG you would pick the Denso every time.
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Re: 2006 V6 spark plugs

Postby czechdave on Sun, 24 May 2015 6:41 +0000

G'day fellas,

Im digging up an old thread here.
Im looking at the URD website for Denso plugs as they are far cheaper to buy from the states than here. Which ones are you guys using for your standard 1GR-FE?
The IKH20?
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Re: 2006 V6 spark plugs

Postby jakelux on Sun, 24 May 2015 9:22 +0000

Mine are VKH20... so not sure if the same or not..?
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Re: 2006 V6 spark plugs

Postby czechdave on Sun, 24 May 2015 9:26 +0000

Where do you get yours from Jake?
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Re: 2006 V6 spark plugs

Postby jakelux on Mon, 25 May 2015 4:39 +0000

Just from local Toyota dealer $98 for the 6, they had to order them in but only took a few days
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Re: 2006 V6 spark plugs

Postby czechdave on Thu, 28 May 2015 4:19 +0000

Ok cool.
I looked on the website the Jap posted in this thread and they do have the denso plugs for the 1gr fe motor but the part numbse is IKH20 and not VKH20.
Any idea what the difference is. Theyr only lile 8 bucks on there.
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Re: 2006 V6 spark plugs

Postby Gulfstream8 on Tue, 27 Oct 2015 7:21 +0000

The correct Toyota TRD Hilux plug is Denso Iridium Tough VKH20 5618

Cheers
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Re: 2006 V6 spark plugs

Postby jakelux on Tue, 27 Oct 2015 2:14 +0000

Yep thats what mine are.
How often should we change our plugs..? 100,000...?
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Re: 2006 V6 spark plugs

Postby Gulfstream8 on Sat, 31 Oct 2015 12:14 +0000

jakelux wrote:Yep thats what mine are.
How often should we change our plugs..? 100,000...?


Mine still looked good at 80k so I would be happy to go with the Toyota TRD recommendation of 100k
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Re: 2006 V6 spark plugs

Postby taresk on Sat, 31 Oct 2015 10:27 +0000

I bought a set of Denso Iridium Twin Tip plugs for mine off ebay, I think I paid about 12.50ea, they went in with the 120k service.
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Re: 2006 V6 spark plugs

Postby hotmetal1000 on Sat, 23 Jun 2018 5:37 +0000

Old thread I know but I have found the following information and might be helpful to someone else.
The IKH20 spark plugs are iridium power.
The VKH20 spark plugs are iridium tough.

From Denso's website,
"The IRIDIUM POWER, with its 0.4mm iridium center electrode and U-groove + tapered cut ground electrode, is a high performance plug providing ultimate running results.
The IRIDIUM TOUGH, with its 0.4mm iridium center electrode and platinum ground electrode, is a high performance plug with an emphasis on longer life.

The ground electrode of the IRIDIUM POWER has a tapered cut and a U-shaped groove on its underside, reducing the quenching effect during flame formation and providing exceptional ignitability.
The ground electrode of the IRIDIUM TOUGH has a platinum at the discharge point, suppressing electrode wear at discharge and providing the working life of a platinum plug."

Both plugs are listed for the 1GR-FE NA and supercharged by Denso.
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