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Columbus, OH 43205
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NGK OE Series Laser Iridium Spark Plug: Fine Wire Tip Design, IFR6T11

Part # 4589
60 day replacement if defective
$12.99
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Product Information

Product Details
Part No. 4589
Warranty Details (60 DAY REPLACEMENT IF DEFECTIVE)
Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity. Iridium tip is six (6) times harder than platinum providing the strongest ignitability and the longest life possible. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in DIS ignition systems. OE engineered for specific vehicle applications.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
  • High-Grade Pure Alumina Ceramic: Prevents overheating and ensures reliable starts, enhancing overall engine performance.
  • Platinum Pad on Ground Electrode: Ensures even wear in distributorless ignition systems, contributing to consistent performance.
Specifications
Center Electrode Core Material:
Copper Core

Center Electrode Tip Material:
Iridium

Electrode Core Material:
Iridium

Electrode Tip Material:
Iridium

Gap Size:
0.044 in

Ground Configuration:
Standard

Ground Electrode Core Material:
Nickel Core

Ground Electrode Quantity:
1

Ground Electrode Tip Design:
Standard

Ground Strap Quantity:
1

Hex Size:
5/8

Manufacturer Heat Range:
6

Reach:
19 mm

Resistor:
Yes

Seat Type:
Gasket

Shorty Spark Plug:
No

Thread Diameter:
14 mm

Tip Configuration:
Solid

Type:
Iridium/Platinum

Wrench Diameter:
5/8 in

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4.86 out of 5
1714 Customer Reviews
97% of respondents would recommend this to a friend
Ratings Distribution
5 Stars
1568
4 Stars
93
3 Stars
26
2 Stars
7
1 Star
20
NGK OE Series Laser Platinum Spark PlugsGood spark plugsGood spark plugs
Qualitywrong info on listing....I would not buy it again. better go with oemI would not buy it again. better go with oemYes I would buy again
Pros
242
Improves Engine Efficiency
232
Easy To Install
190
Increases Power
178
Durable
63
Lightweight
Cons
20
none
10
Difficult To Install
10
No Improvement In Performance
3
Pricey / Poor Value
3
Price
Best Uses
263
Everyday Driving
202
Replacement
121
Performance Driving
39
Restoration
35
Racing
Car & Truck
40
Casual Driver
38
Auto Enthusiast
19
Mechanic
9
Competitive Driver
3
Truck Enthusiast
Describe Yourself
147
Casual Driver
132
Auto Enthusiast
46
Mechanic
22
Competitive Driver
11
Truck Enthusiast
I Am A
2
Single Male
1
Single Female
Most Liked Positive Review
noticeable smoother running
surprised that the originals were also ngk, easy to install. came pregapped but i checked the gap anyway. be careful when checking iridium tips. had a little over 60k and originals were in pretty good shape but dealer was going to replace them anywayat 60k service and i saved price on plugs and labor. did notice smoother idling and engine running. Yeah I did.
Most Liked Negative Review
Be very carefull when you install these plugs
These NGK plugs are original OEM for my Acura which has an aluminum engine block. I installed new NGK plugs at 97k without putting anti-seize compound on the threads. This is how NGK instructs you to install their plugs because there is plating on the threads that breaks loose and makes removing them much easier. NGK tells you not to use anti-seize because it makes the plug go into the block much smoother which confuses the really dumb mechanics so then they over tighten and break the plugs. Also, NGK doesn't want the gobs of anti-seize compound that the dumb mechanic puts all over the threads to ooze onto the firing tip of the plug. If you follow the instructions from NGK when dealing with an aluminum block, then you are doomed to spend 2-3 days with a can of penetrating oil, trying to remove their plugs after 60k. ALL MY PLUGS WERE FROZEN IN THE ALUMINUM ENGINE BLOCK. My advice to you is to learn how to properly apply anti-seize to the threads on the spark plug. And finally, NGK will tell you to warm up an aluminum engine block to make removing their plugs easier. This is a bad idea unless you want the block threads to come out with the plugs which will force you to buy new cylinder heads. Other than that, I have no problems with the spark plug itself.
Reviewed by 1714 Customers
Great oem spark plugs
Submitted 6 days ago
Ez
Great product
Submitted a month ago
NGK is a great product and works well
Bottom Line Yes, I would recommend to a friend
NGK plugs..
Submitted 3 months ago
Better than Original.
Bottom Line Yes, I would recommend to a friend
I will this every time I change my spark plugs
Submitted 3 months ago
car is running great after I changed the spark plugs
Bottom Line Yes, I would recommend to a friend
Better than OEM
Submitted 5 months ago
perfect replacement for my 2014 Mazda CX5, bought four. very easy installation
Displaying Reviews 1 - 5Back to Top

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You want almost $40 for 1 spark plug?
Verified Reply - Solomon
Hi Josh, happy to help you! We do handle only technical questions regarding product fitments, specifications, diagnosis and repairs. For pricing related inquiries, please feel free to call us at: 1-877-ADVANCE (238-2623) or contact our "Live Chat" support and one of our representatives will gladly assist you with any questions or concerns you may have.
I need 4 LFJD-18-110-9U Mazda Spark Plugs. Do you have an equivalent?
Verified Reply - Solomon
Hi Michael, happy to help you! We do have an exact spark plug available online to replace interchange numbers of LFJD-18-110-9U and the part number is 90083. To check the compatibility, please provide us with the year, make, model and engine size of your vehicle.
I have a 2007 Ford Ranger Sport 3.0 V6 y is the spark plug different in this year truck. then 2006 2008 models 97287 NGK Spark plug it works in 2006 2008 but not 2007 year what in different 8th Vin # is U I'm scratching my head it's the same motor 182 cubic inch Vulcan engine overhead valve what is the difference with that year 2007compared to every other year please help driving me nuts
Verified Reply - John the Car-Doc
Hi Robert Conway, thank you for bringing this to our attention! This NGK OE Series Laser Iridium Spark Plug: Fine Wire Tip Design, ITR5H13 - Part # 97287 will fit the years 2006, 2007, and 2008 of the Ford Ranger Sport with a 3.0L 182CI V6 engine. We have forwarded this information to our content team to update the site. We appreciate your patience while this information is updated.
I need spark plugs for 2022 Honda Civic Sport Touring
Verified Reply - Solomon
Hi John, happy to help you! The exact spark plug for your 2022 Honda Civic Sport Touring is currently unavailable online. I would suggest that you visit the nearest Advance Auto Parts store to check the availability of this part.
How many does it come with
Verified Reply - Solomon
Hi Caden, happy to help you! This NGK Laser Platinum Spark Plug (Part # 3271) is sold individually.
Displaying Question & Answer 1-5

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