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⚡ Ignite your drive with Bosch’s iridium spark—where power meets precision!
The BOSCHZR7SI332S Iridium Spark Plug delivers up to 4 times longer life than standard copper plugs thanks to its laser-welded iridium platinum alloy. Featuring an ultra-fine wire design for superior ignitability and a 360° corrosion-resistant laser weld, it ensures durable, reliable performance. Pre-gapped and OEM-matched, this spark plug guarantees a perfect fit and comes with a 7-year performance satisfaction guarantee.









| ASIN | B00BJM0EAE |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #31,264 in Automotive ( See Top 100 in Automotive ) #125 in Automotive Performance Spark Plugs |
| Brand Name | BOSCH |
| Compatible with Vehicle Type | Car |
| Core Material | Iridium |
| Country of Publication | Germany |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,413) |
| Global Trade Identification Number | 04047024277816 |
| Included Components | Spark plug |
| Item Type Name | Bosch 0242135518 Spark Plug |
| Item Weight | 20 Grams |
| Manufacturer | Bosch |
| Manufacturer Part Number | 0242135518 |
| Model Number | 9710_1 |
| OEM Equivalent Part Number | 0 |
| Thread Size | Standard |
| Top Material Type | Nickel |
| UPC | 404702427781 |
| Unit Count | 1 Count |
E**Y
As described
Exactly good
E**N
The quality of these spark plugs is excellent. After using them for 4 years, I bought them again and put them in my car. They are the best.
P**V
Bhai swift ka pick up , speed sab improve ho gayi h
K**A
I purchased 6 of these BOSCH YR7MPP33 spark plugs to replace the originals in my Mercedes C300, and they worked flawlessly. Installation was straightforward, and they fit perfectly with no issues. Right after replacing the plugs, I noticed smoother acceleration, improved fuel efficiency, and overall better engine responsiveness. These are high-quality double platinum plugs, and it shows — they deliver consistent performance and are built to last. If you're looking for a reliable OEM replacement that matches Mercedes specs, this is the one. Highly recommend for anyone doing spark plug maintenance on a C300 or similar models!
F**.
Tres bonne bougie de marque. Une techno performante. Montage d origine qui a déjà duré plus de 100 000km et c est reparti pour autant. Vaut son prix sans hesitation.
D**.
Good price. Did the job
Trustpilot
1 week ago
1 week ago