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⚡ Ignite your engine’s potential with Bosch’s double iridium spark plugs!
Bosch 9621 OE Fine Wire Double Iridium Spark Plugs combine advanced 360-degree laser welding and ultra-fine iridium electrodes to reduce voltage requirements by 24% and extend spark plug life by 4X. Factory pre-gapped and corrosion-resistant, these plugs are engineered for perfect fit and optimal performance in modern gasoline engines, including GDI technology, delivering enhanced durability, improved fuel efficiency, and hassle-free installation.
| ASIN | B0762GB2TM |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #22,109 in Automotive ( See Top 100 in Automotive ) #124 in Automotive Replacement Spark Plugs |
| Brand | Bosch |
| Brand Name | Bosch |
| Compatible with Vehicle Type | Car, SUV, Truck |
| Core Material | Iridium |
| Customer Reviews | 4.6 out of 5 stars 662 Reviews |
| Gap Size | 0.04 inches |
| Global Trade Identification Number | 00028851034265 |
| Included Components | Spark Plugs |
| Item Type Name | Spark Plugs |
| Manufacturer | Bosch Automotive |
| Manufacturer Part Number | 9621 |
| Manufacturer Warranty Description | Limited |
| Model Number | 9621 |
| Number of Items | 1 |
| Thread Size | 12mm |
| Top Material Type | Iridium |
| UPC | 028851034265 |
| Unit Count | 4 Count |
| Vehicle Service Type | Car, SUV, Truck |
S**H
Quality Spark plugs
Installed in my Mazda 6 and now it's running much better
S**B
Make that motor purr
Inexpensive and added the pep back to a motor that needed some love. Gap was perfect out of the box and the installation went without a hitch. Gas mileage improved by a decent amount, we're averaging about 20 extra miles per tank.
D**S
Excelente producto y calidad
Excelente producto, llego a tiempo
L**O
Buy them.
Easy to install, run good.
J**Y
Spark of life
I’ve used these spark plugs for pretty much all of my vehicles. They preform great.
C**Y
Faulty plug? Otherwise great set
Definitely better than the old plugs that probably had 80k miles on them. The one star off is because I had a misfire after installing. Not sure if I damaged the plug or what, but a reinstall didn't fix the misfire. In my genius, I rushed to try to gap it and ended up breaking the iridium tip. Put the old plug into cylinder 3 (where the misfire was) and it was fine. Gonna have to get a new single tomorrow at my local shop, but a bit frustrating to get a misfire after install.
O**R
Mejor opción que las originales Mazda
Excelentes como siempre Bosch
A**O
Brand new sealed
Perfect product brand new sealed as expected.
B**E
Bosch spark plugs
Great quality /value easy install.
A**D
التيما 2021 تركب
ناسبت سيارتي التيما 2021
V**S
Les ceux d'origine chez le concessionnaire sont 64$ chaque
Même qualité que ceux d'origine et le prix beaucoup moins élevé que ceux d'origine
C**S
OE style
Has to wait a while for these coming from the USA, but OE for my vehicle, installed and feel the difference having new plugs
J**R
Excelentes Bujías
Bujías 10/10 muy recomendadas
Trustpilot
2 weeks ago
1 week ago