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Product Information

Product Details
Part No. AP5364
Warranty Details (4 YR REPLACEMENT IF DEFECTIVE)
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to lead the industry. Designed and engineered in the USA, these spark plugs feature a high nickel alloy side electrode that maintains a precise gap, and a full platinum tip that ensures virtually no gap erosion for extended life. The necked-down center electrode fires quicker and cleaner with less voltage, resulting in easier starts, quicker acceleration, and improved fuel economy compared to standard plugs.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
  • Engineered in the USA: Backed by over 100 years of engineering expertise and industry leadership.
Specifications
Center Electrode Core Material:
Platinum

Electrical Terminal Type:
Stud

Center Electrode Tip Material:
Platinum

Ground Electrode Core Material:
Nickel

Ground Electrode Quantity:
1

Ground Electrode Tip Design:
Tapered

Ground Electrode Tip Material:
Nickel

Reach:
0.982 in

Reach:
25 mm

Resistance:
4000

Pre-Gap Size:
0.054 in

Pre-Gap Size:
1.4 mm

Thread Diameter:
14 mm

Hex Size:
5/8" in

Hex Size:
16 mm

Seat Type:
Tapered

Resistor Type:
Yes

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4.69 out of 5
1656 Customer Reviews
87% of respondents would recommend this to a friend
Ratings Distribution
5 Stars
1364
4 Stars
188
3 Stars
36
2 Stars
19
1 Star
49
Great plugsSolid spark plugsAffordable Spark Plug
I would never buy this product againGood product!  Good service too!Yes will buy again . PerfectDo not use in a jeep 4.0 wranglergreat performance
Pros
83
Improves Engine Efficiency
67
Easy To Install
52
Increases Power
49
Durable
14
Lightweight
Cons
10
No Improvement In Performance
4
Decreases Gas Mileage
4
none
2
None
1
Completely worthless
Best Uses
85
Everyday Driving
62
Replacement
19
Performance Driving
15
Restoration
5
Racing
Car & Truck
8
Casual Driver
6
Auto Enthusiast
4
Truck Enthusiast
3
Mechanic
1
Jeeper
Describe Yourself
41
Auto Enthusiast
40
Casual Driver
34
Mechanic
15
Truck Enthusiast
4
Competitive Driver
Most Liked Positive Review
great performance
I used these plugs before and have installed them in every truck I have bought. I have noticed increased fuel mileage and increased performance right from the start and they last for more than 50 thousand miles at a time. I average over thirty thousand miles a year on my truck and have gone a couple years between replacement with out any problems or plug failure or drop in performance. I would recommend these plugs to any one who want a good plug with out breaking the bank and want's to to protect their motor.
Most Liked Negative Review
Autolite plugs
Still testing,but runs cooler.
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