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Autolite XP3923 4PK Iridium Spark Plug Review

5

·

Average

Revainrating 3 out of 5  
Rating 
3.2
🧯 Ignition Parts, 🛠️ Replacement Parts

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img 4 attached to Autolite XP3923 4PK Iridium Spark Plug

Details

BrandAutolite
Core MaterialIridium
Top Material TypeAlloy Steel

Description of Autolite XP3923 4PK Iridium Spark Plug

Iridium-enhanced platinum alloy 0.6mm fine wire center electrode for improved ignitibility performance. Patented V-trimmed platinum side wire technology resists wear. OE equivalent design is engineered for every engine to ensure the right plug for your vehicle. Designed for better overall durability with virtually no gap erosion for longer plug life. Attached motor seat gasket and terminal nut. Fit type: Vehicle Specific.

Reviews

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

Type of review

Revainrating 5 out of 5

Fits my 2103 Tiguan S AWD

I bought this because my 2103 Tiguan S AWD idles poorly and is misfiring in the cylinders. The Check Engine and EPC warning lights came on. I swapped the spark plugs and ignition coils and that fixed the problem for me.

Pros
  • Installation Type: Vehicle Specific
Cons
  • -

Revainrating 1 out of 5

Replacing a standard spark plug makes a world of difference

Used in high performance Cadillac 511cc engines. 1972 Cadillac Eldorado Convertible with 240,000 miles. The car runs like a scared rabbit and he really likes those candles. Increased mileage and performance.

Pros
  • 0.6mm thin platinum alloy wire center electrode with improved flammability
Cons
  • Upgradeable

Revainrating 5 out of 5

Wrong label at the exit!

The label on the spark plug box shows the correct part number, but the box and spark plug are a different make and part number. The wrong connector is over 1/2 inch longer than the correct connector and would likely hit the piston if I installed it without noticing the difference.

Pros
  • Fixed engine seat gasket and union nut
Cons
  • The list will be long.

Revainrating 4 out of 5

Excellent spark plugs that match spark plugs and wires

This is an amazing product at a great price for 4 spark plugs. These iridium spark plugs are typically $15 or $16 each at dealerships. They can last a minimum of 80,000 miles or a maximum of 100,000-120,000 miles depending on the wear and tear of your engine and regular vehicle maintenance.

Pros
  • Platinum proprietary V-notched side wire wear resistant
Cons
  • Slightly wrinkled

Revainrating 1 out of 5

Check spark plug gap

Two were slightly larger so needed some bending. It is highly recommended to check them with a gap first, but don't increase the gap as the iridium tips are thin. The price was great as a 4 pack was less than 1 pack at the dealership. For the night there were only traffic jams, so I took a chance. 30 km driven, so far so good.

Pros
  • Engineered for increased overall durability and virtually no gap erosion for longer spark plug life
Cons
  • Fits