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ACDelco 9444J Professional Spark Plug Review

3

·

Very good

Revainrating 4.5 out of 5  
Rating 
4.5
🧯 Ignition Parts, 🛠️ Replacement Parts

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Description of ACDelco 9444J Professional Spark Plug

Wire conductor, wire length, and diameter help provide maximum spark delivery and protection. Spark plug distributor boot shape and materials provide proper fit, installation, and water-tight seal. Terminal design improves spark plug retention and assists installation with excellent corrosion resistance. Insulator employs high dielectric materials. Coil retainer prevents fretting and micro-arcing.

Reviews

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

Type of review

Revainrating 4 out of 5

Improved Engine Performance with New Spark Plugs

The ACDelco spark plugs have definitely improved my car's overall performance. They provide a faster start-up and smoother engine idle. The installation was very easy and they fit perfectly. However, they can be a bit pricey compared to other spark plugs on the market. Overall, I highly recommend these to any automotive enthusiast looking for an upgrade.

Pros
  • Long-lasting lifespan due to its durable construction.
Cons
  • May require a higher initial investment compared to other spark plug brands.

Revainrating 5 out of 5

Excellent product - replacement parts

Arrived on time and exactly what I ordered. Works great but there were no problems with the machine! Still looking for a problem.

Pros
  • High marks for support and durability from testers
Cons
  • Great price

Revainrating 5 out of 5

AC Delco has never let me down.

So far, so good! I had occasional dropouts. The car jerked at the traffic light. Last week it got a lot worse. I don't think I shot twice. Looking under the hood I heard a coil clicking, it looks like a spark is thrown at the valve cover and not the spark plug. For $20 (for coils) and $23 for a new cord set. The machine runs quietly and has more power. I assume that the mileage will also improve. Not bad for $45!

Pros
  • Absolute legend
Cons
  • Not bad