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Bosch Automotive (9654) OE Fine Wire Double Iridium Spark Plug - Single: Improved Performance and Exceptional Durability Review

6

·

Very good

Revainrating 5 out of 5  
Rating 
4.8
🧯 Ignition Parts, 🛠️ Replacement Parts

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Details

BrandBosch Automotive
Core MaterialIridium
Top Material TypeNickel

Description of Bosch Automotive (9654) OE Fine Wire Double Iridium Spark Plug - Single: Improved Performance and Exceptional Durability

Double Iridium electrodes - iridium firing pin and iridium ground electrode inlay - offer higher performance. OE-matched spark position for compatibility with Gasoline Direct Injection (GDI) technology. Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize for installation. Bosch Double Iridium spark plugs are pre-gapped at the factory and do not require a gap adjustment prior to installation. Meets or exceeds manufacturer design requirements for modern gasoline engines to provide OE fit, form and function, while delivering 4X longer service life when compared to standard copper spark plugs.

Reviews

Global ratings 6
  • 5
    5
  • 4
    1
  • 3
    0
  • 2
    0
  • 1
    0

Type of review

Revainrating 5 out of 5

Increased fuel consumption

Earlier spark plugs were installed a few years ago. To be honest I didn't notice the drop in fuel consumption until I installed new spark plugs.

Pros
  • Top price
Cons
  • Coefficient set

Revainrating 5 out of 5

Ram 1500 Hemi: Spark Plugs and Wires

Old Champion copper core has clocked up 40,000 miles. Replaced with these and got a quieter engine and 3mpg more. I can't get enough of these candles made in Germany.

Pros
  • Cool
Cons
  • Quality

Revainrating 5 out of 5

Great plugs for ignition parts

I installed these plugs on my Dodge Charger in July. I've seen much better performance with the motor. I also get better fuel economy, a 2-3mpg improvement over stock plugs!

Pros
  • Easy to use
Cons
  • Almost everything is there

Revainrating 4 out of 5

Those are spark plugs. They don't do their job very well.

These are spark plugs. They don't do their job very well. No HP increase, no MPG increase. Stop forcing your witchcraft on others. The only difference will likely be durability due to the iridium.

Pros
  • Easy installation
Cons
  • Disappear

Revainrating 5 out of 5

Iridium Parts Upgrade

I installed a set of 16 of these spark plugs on my Chrysler 300C and noticed a noticeable improvement in engine idle. I believe gas mileage has also increased by about 2mpg, but only at highway speeds. I have a slightly heavy foot in the city so my MPG hasn't changed there. These candles are very high quality and can last my car for a lifetime. I highly recommend them.

Pros
  • Brilliantly Done
Cons
  • Too Long To Wait

Revainrating 5 out of 5

Good, consistently good plugs for my 06 JGC!

Fits easily in my '06 Grand Cherokee with Hemi (16 total plugs). Now he purrs like a kitten. Does not require high-pressure lubrication during installation, which is stated directly in the instructions; good thing you don't have to buy it. All the old spark plugs were Bosch Iridium and popped out easily. I decided to upgrade to the Double Iridium model to "help out" the old engine, which is approaching 140,000 miles. Handles well and idles smoother than it has in a long time. A little more…

Pros
  • There's something to it
Cons
  • Minor issues