🔌 Bosch Automotive (9617) OE Fine Wire Double Iridium Spark Plug - Single: Enhanced Performance for Your Vehicle Review

Great for my 2011 Mazda 3 (2.0 litre). They were an easy replacement for the factory 115,000 mile spark plugs. The car idles smoother and runs about the same (maybe a little faster, but actually about the same).

Excellent spark plugs. Changed to 120,000 Gasoline mileage increased from 19 to 25 mpg with a noticeable increase in engine power. Looks like original Bosch spark plugs. Although Bosch does not recommend this part number plug for the 4cyl Escape. They work great. I am happy.

The one that Revain.com sells (as seller) is made in China and the other two are made in Germany by another seller. You can tell the quality is very different from the look of the material they are made from. I doubt what Revain.com sells is legit.

Fits 2008 Cadillac STS V6. Replaced spark plug and ignition coil on a cylinder that misfired and ran for over a month. Soon I will order 5 more to replace the remaining candles. It came with a pre-sealed cardboard cylinder to protect the spark plug in the box.

Works on my Ford Fusion 2.4L. So far so good and I don't feel the car runs any worse than the stock Iridum spark plug, ie NGK Iridum spark plug! This Bosch is the best price at the time of purchase ($6 each) with the same good performance with the standard plug! Only time will tell if it lasts as long as the NGK, 70k in my case.

Perfect fit for my 2011 (other years will work too, just check.) Mazda 3 2.0l.at 189k Runs like new! (Not sure how old the other spark plugs were, I bought them used but they were Mazda OEM spark plugs.) Took me 15 minutes to change, anyone else has problems then you must have mixed up the required type have spark plugs. or gaping. (Of course, every vehicle is different.) Driving, idling, or accelerating was top-notch, so I assume my Mazda 3 didn't complain no matter what spacing was set, and…