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Bosch Spark Plugs....

fossil

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From NGK's website. They make plugs all over, including California and West Virginia.

Asian operations,

NGK SPARK PLUG 〔SHANGHAI〕 CO., LTD.
  • URL

    http://www.ngkntk.com.cn/

  • Address

    No.736 Songsheng Road Songjiang Industrial Zone, Shanghai 201613,
    The People's Republic of China

  • Phone / Fax

    Phone: 86-21-6774-0987 / Fax: 86-21-6774-0997

  • Business

    Production and sale of spark plugs and automotive sensors, sale of cutting tools

corporate_networks_asia_oceania_img_04.jpg

NGK SPARK PLUGS (THAILAND) CO., LTD.
  • Address

    Amata Nakorn Industrial Estate (Phase 8) 700/864 Moo 1,
    Tambol Panthong, Amphur Panthong, Chonburi 20160, Thailand

  • Phone / Fax

    Phone: 66-38-185-306 / Fax: 66-38-185-316

  • Business

    Production and sale of automotive sensors, sale of automotive components and technical ceramics
corporate_networks_asia_oceania_img_05.jpg

SIAM NGK SPARK PLUG CO., LTD.
  • URL

    http://www.siamngk.co.th/

  • Address

    Amata Nakorn Industrial Estate (Phase 8) 700/849 Moo 1,
    Tambol Panthong, Amphur Panthong, Chonburi 20160, Thailand

  • Phone / Fax

    Phone: 66-38-447-155 / Fax: 66-38-447-161

  • Business

    Production and sale of spark plugs and glow plugs, sale of automotive sensors
corporate_networks_asia_oceania_img_06.jpg

SparkTec (THAILAND) CO., LTD.
  • Address

    Amata Nakorn Industrial Estate (Phase 10) 700/1006 Moo 9,
    Tambol Map Pong, Amphur Panthong, Chonburi Province, 20160, Thailand

  • Phone / Fax

    Phone: 66-38-109-305 / Fax: 66-38-109-311

  • Business

    Production and sale of spark plugs
corporate_networks_asia_oceania_img_07.jpg

NGK SPARK PLUGS MALAYSIA BERHAD
  • URL

    http://ngk.com.my/

  • Address

    No. 4586, Jalan Permatang Pauh, Butterworth, 13400, Penang, Malaysia

  • Phone / Fax

    Phone: 60-4-3327555 / Fax: 60-4-3315287

  • Business

    Production and sale of spark plugs, sale of automotive sensors and semiconductor components
corporate_networks_asia_oceania_img_08.jpg

PT NGK BUSI INDONESIA
  • URL

    http://www.ngkbusi.com/

  • Address

    Jl. Raya Jakarta-Bogor, Km 26, 6 Ciracas, Pasar Rebo, Jakarta Timur,
    Indonesia

  • Phone / Fax

    Phone: 62-21-8710974 / Fax: 62-21-8710965

  • Business

    Production and sale of spark plugs
corporate_networks_asia_oceania_img_09.jpg

NGK SPARK PLUGS (INDIA) PVT. LTD.
  • URL

    https://www.ngkntk.in/

  • Address

    210, JMD Pacific Square, 32nd Mile Stone, Sector 15, NH-8, Gurugram,
    Haryana-122001, India

  • Phone / Fax

    Phone: 91-124-411-3961 / Fax: 91-124-411-3963

  • Business

    Production and sale of spark plugs, sale of automotive sensors
I remember when you were lucky to get 8 good Champion plugs in the '60's.

I haven't had any recent problems with them.

The only plug I've had go bad recently were NGK's. One on my ATV in the middle of nowhere. Pissed me off.

I suppose they all make defective ones and running 20 year old plugs from old chainsaws may not be the way to go.
 

big t double

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I'd like a non Chinese made plug that's a replacement for a Bosch USR 7 AC. The last one of these I got was made in China but I don't know about a direct replacement. I always had good luck with NGK plugs.
cmr5h will work in place of your usr7ac.... if you want ngk
 

Cut4fun

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Old thread but we are talking about this because bad ngk's again. I quit using ngk in 2012 when brand new out of the box plugs were failing like a coil going bad.
My bosch say brazil and german still. Even though I see china on some in folks new batches.

Pic of 1 of the ngk in thread. Several posted just like op first pic post.

ngkagain.jpg
 

RI Chevy

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Yuck

Sent from my SM-G930V using Tapatalk
 

Cracker Boy

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To bad autolite or delco dont make small engine plugs, never had problems with either in my autos .ngk sucks and so does bosch in my autos gonna talk to my dealer after this and see what stihl runs from factory.for example my outboard will not ran worth a *s-word on ngk.evinrude says champion and it runs the best on champion.omc stated it waz the heat range on the electrode was why. the 3 dollar champions ran better then 7 dollar ngk. Tue story after i put ngks in it wouldnt idle right my kid at boat ramp at 9 she said daddy is it safe to go out.i dont like the way your boats running on brand new ngk.i went to walmart on way home and put champion back in my boat.
 

jk14

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To bad autolite or delco dont make small engine plugs, never had problems with either in my autos .ngk sucks and so does bosch in my autos gonna talk to my dealer after this and see what stihl runs from factory.for example my outboard will not ran worth a *s-word on ngk.evinrude says champion and it runs the best on champion.omc stated it waz the heat range on the electrode was why. the 3 dollar champions ran better then 7 dollar ngk. Tue story after i put ngks in it wouldnt idle right my kid at boat ramp at 9 she said daddy is it safe to go out.i dont like the way your boats running on brand new ngk.i went to walmart on way home and put champion back in my boat.

Here's an autolite although it's about 1/4" taller than most.

Anyone run autolite? Just picked a few up cheap @$1.25. I'll try em out on the next few "freebie" jobs. NGK for my personal saws. View attachment 27019

View attachment 27041 View attachment 27042 View attachment 27039
The plug itself is not stamped. The box says "made in Mexico designed in USA" LOL. whatever that means... who knows maybe just the box is made in Mexico and the plug? You never know anymore.
Autolite is also about 1/4" taller than NGK which may be an issueView attachment 27040View attachment 27039
 

Cut4fun

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poleman I am hearing from folks they are seeing the china made plugs. Was that bosch china made or where was it made?

Dealer was telling me about the oregon plugs made by torch in china. If they come apart and do damage to ope they cover repair cost. Labor and parts. I thought that was unreal. He said he sells few thousand plugs a year.
 

srcarr52

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I had hot start issues with my 394 and Bosch plugs. I switched to NGK and the problem went away.

I think the Bosch plug was cracking the porcelain around the electrode and arcing deep in the plug when warm.
 

FergusonTO35

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When I was a tech and someone came in with a car that ran rough the first thing we would do is see if somebody had put Bosch plugs in it. If so, we wouldn't do anything else to the car until they agreed to put OEM plugs in it first. The old Bosch "Super" standard plugs seemed to be ok for older Euro vehicles but their fancy shmancy twin and quad electrode plugs were straight up garbage in everything.

Autolite makes a full range of small engine plugs. I would rather have Denso or NGK but Autolite has always worked well for me. I have a bunch of Autolite 456 and 458 (equivalent to J17LM and J19LM respectively) that I bought for like .50 each on clearance and they work great in my Briggs and Tecumseh four strokes. My tractor really likes Autolite 3116 and Champion D21. My auto engines all get Denso platinum and do great with them.
 
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