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⚡ Ignite your drive with Bosch’s double iridium spark plugs—where precision meets endurance!
Bosch Automotive (9603) OE Fine Wire Double Iridium Spark Plug pack of 4 features ultra-fine 0.6mm iridium firing pins and double iridium electrodes for 4X longer life than standard copper plugs. With a 360-degree laser weld for enhanced durability and pre-gapped OEM fit, these plugs deliver superior ignitability and reliable performance across multiple premium vehicle models, backed by a 7-year satisfaction guarantee.









| ASIN | B0792LVCZW |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #3,034 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Performance Spark Plugs |
| Brand | BOSCH |
| Brand Name | BOSCH |
| Compatible with Vehicle Type | Honda Civic |
| Core Material | Iridium |
| Core material | Iridium |
| Customer Reviews | 4.6 out of 5 stars 689 Reviews |
| Gap Size | 0.6 Millimeters |
| Global Trade Identification Number | 00028851010382 |
| Included Components | spark plugs |
| Item Type Name | OE Replacement Spark Plug, Up to 4X Longer Life (4 Pk) Acura; Chrysler; Ford; Honda; Infiniti; Jaguar; Lexus; Mercedes-Benz; Mitsubishi; Nissan; Subaru; Toyota +More |
| Item Weight | 0.43 Pounds |
| Manufacturer | Bosch Automotive |
| Manufacturer Part Number | 9603 |
| Manufacturer Warranty Description | Limited |
| Model Number | 9603 |
| Thread Size | M30 |
| Thread size | M30 |
| Top Material Type | Nickel |
| Top material type | Nickel |
| UPC | 028851010382 |
| Unit Count | 4 Count |
| Vehicle service type | Honda Civic |
A**N
Works well
Works well as it is supposed to do..
R**E
Good
Good
M**N
طابق مع سيارتك قبل ماتشتري
تاكد انه مخصص لسيارتك
D**R
Excellent spark plug
I hadn't replaced the spark plugs in my Toyota Corolla for over 15,000 km and though I should, even though I had no issues. Interestingly I removed the old ones which were identical to these that I just purchased. Obviously I made the right choice again without knowing it. Car continues to run great with 171,000 km.
D**O
Satisfaction garantizada.
Excelente cálidad que ofrecen. Hecho en Alemania, coche tiene más potencia y rinde más la gasolina.
F**K
Great product
Great product. I recommend it and will buy again when necessary.
G**S
Actually real Bosch spark plugs / not cheap china trash
These were authentic Bosch plugs and was happy to see it wasn’t another china copy. They fit just rite and made a noticeable difference in my turbo lancer as I had auto lite double platinum with the fine tip in there b4 and wasn’t happy with those.
Trustpilot
1 week ago
1 month ago