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⚡ Ignite your drive with NGK’s precision spark—because every mile deserves peak performance!
The NGK SILZKR7B11 9723 Laser Iridium Spark Plug 6-pack delivers OEM-quality ignition with iridium-tipped electrodes for enhanced spark efficiency and durability. Designed for a wide range of domestic and import vehicles, these plugs offer up to 105,000 miles of reliable service, corrosion-resistant plating for easy maintenance, and a direct fit to ensure seamless installation. Perfect for professionals and DIYers aiming to boost engine performance, fuel economy, and long-term reliability.
| ASIN | B07PFWMTQ8 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #15,581 in Automotive ( See Top 100 in Automotive ) #90 in Automotive Replacement Spark Plugs |
| Brand | NGK |
| Brand Name | NGK |
| Compatible with Vehicle Type | Car, Truck |
| Core Material | Iridium |
| Customer Reviews | 4.8 out of 5 stars 338 Reviews |
| Gap Size | 0.04 Inches |
| Included Components | 9723 |
| Item Weight | 0.13 Pounds |
| Manufacturer | NGK |
| Manufacturer Part Number | 9723 |
| Manufacturer Warranty Description | Includes manufacturer provided warranty |
| Model Number | 9723 |
| Number of Items | 6 |
| OEM Equivalent Part Number | 9723 |
| Thread Size | 5.375mm |
| Top Material Type | Iridium |
| UPC | 087295182024 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Car, Truck |
D**E
Absolutely great!
Installed these in my 2019 Kia Forte and I can honestly say when I took a test drive I felt the difference right away. Smoother take off & I can tell the engine performance is way better. The installation was easy and as long as I have a car that needs this exact spark plug, I will be purchasing again!
S**K
Pleased with quality and performance and price
purchased for a 2017 Jeep Wrangler Sahara and no issues. I can see a difference in the Jeep performance. Replaced spark plugs was long overdue. Happy with quality of the product. pleased with price point.
G**G
Good Plugs for Jeep Cherokee
Direct fit for 2014 Jeep Cherokee
C**S
Smooth Startup and Improved MPG with NGK Laser Iridium
I recently installed the NGK SILZKR7B11 spark plugs, and I’m genuinely impressed. Installation was a breeze thanks to the pre‑gapped design and perfect OEM fit—no adjustments needed. From the very first start, my engine fires instantly and runs smoothly; acceleration feels crisper, and I’ve noticed about a 1–2 MPG boost on my daily commute. Highly recommend for anyone looking to sharpen throttle response and squeeze out a bit more fuel efficiency!
E**T
Great product, great price!
I have always had great success with NGK spark plugs and all of my cars over the years, and this is no exception. My 2017 Hyundai was equipped with this exact plug from the factory, so when doing the 100,000 mi maintenance I replaced them with the same product since they are a proven entity and performed well over their lifespan. Buying these plugs from Amazon was considerably less expensive than going either through the dealer or retail stores, saving me at least $50 over what I would have spent elsewhere. Delivery was fast, and the product was exactly as expected. All the plugs were pregapped as advertised and did not require any adjustment (not that you would adjust iridium plugs... )
S**A
Worked great!
Excellent! My car was a little bit off and I swapped the plugs with these (much cheaper than the store) and they worked and still work great!
M**Y
NGK plugs are what I always use after a bad experience with Champions in my Mopars.
The listing on Amazon contains the correct information, the spark plugs were indeed the correct ones for my car.
S**F
Best spark replacement for OEM
Great plugs replacement for OEM. Best prices out there’s, engine performs better and smoother. Easy to install and durable.
E**V
Good quality
Installed without any issues. Gap was almost perfect and didn’t need much alignment.
C**Y
Fits my car, good quality
Fits my car, good quality
S**O
So far so good!
All good!
G**E
good quality
good price
C**K
Awesome plugs
Awesome product
Trustpilot
5 days ago
1 month ago