Best Fram Car Spark Plugs of 2025

Joseph Prokop Avatar
Joseph Prokop
Last Updated: 29 May 2024

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Car spark plugs are an essential component for any vehicle with an internal combustion engine. They are responsible for igniting the fuel in the engine, which allows it to run smoothly. Fram is a well-known brand that produces high-quality spark plugs for a range of vehicles. Their products are made with durable materials and are designed to provide reliable performance over time. Whether you're driving a small city car or a larger SUV, Fram's range of spark plugs can help to keep your engine running smoothly and efficiently.

At a Glance: Our Top Picks

Autolite 4092-4PK Copper Non-Resistor Spark Plug Cover #TOP 1
Autolite 4092-4PK Copper Non-Resistor Spark Plug
ftb score rating icon 9.8
Autolite Double Platinum Spark Plugs Cover #TOP 2
Autolite Double Platinum Spark Plugs
ftb score rating icon 9.7
Fram Autolite AP46-4PK Platinum Spark Plug Cover #TOP 3
Fram Autolite AP46-4PK Platinum Spark Plug
ftb score rating icon 9.5

Top 10 Fram Car Spark Plugs

#TOP 1

Autolite 4092-4PK Copper Non-Resistor Spark Plug

4092-4PK
Neutral
4-Pack
Autolite 4092-4PK Copper Non-Resistor Spark Plug Cover
Autolite 4092-4PK Copper Non-Resistor Spark Plug, Pack of 4

Features
Cold-Formed Steel Shell And Precision Rolled Threads, With One-Piece Terminal Post To Add Strength
Copper-Glass Seal Bonds Insulator, Terminal Post, And Center Electrode Together To Provide A Tight Seal That Is 100 Percent Leak-Proof
Resistor Reduces Radio Frequency Interference (rfi) And Electrode Erosion
Full Copper Core Electrode Provides Better Performance In All Conditions
"multi-Rib Insulator Reduces Danger Of "flash-Over"
#TOP 2

Autolite Double Platinum Spark Plugs

APP3923-4PK
Neutral
4-Pack
Autolite Double Platinum Spark Plugs Cover
Autolite APP3923 Double Platinum Automotive Replacement Spark Plugs (4 Pack)

Upgrade your car's ignition system with Autolite Platinum Spark Plugs. Designed for maximum performance, these spark plugs feature a necked-down center electrode that fires quicker and cleaner, providing easier starts and quicker acceleration. The full copper core electrode provides better performance in all conditions, while the platinum-to-platinum firing ensures superior durability. The super conductive Yttrium enhanced ground electrode provides superior heat transfer. The high nickel alloy side electrode maintains a precise gap and virtually no gap erosion for longer plug life. Autolite has been producing spark plugs since 1936, making it one of the most trusted and reliable brands for your OE replacement spark plugs needs.

What We Like
Maximized performance
Improved durability
Precise gap maintenance
#TOP 3

Fram Autolite AP46-4PK Platinum Spark Plug

AP46-4PK
Neutral
4-Pack
Fram Autolite AP46-4PK Platinum Spark Plug Cover
Fram Autolite AP46-4PK Platinum Spark Plug, Pack of 4

Features
Yttrium Enhanced, High Nickel Alloy Side Electrode Maintains Precise Gap To Increase Plug Life
Full Platinum Tip Ensures Virtually No Gap Erosion For Long Plug Life
Platinum Alloy Pad On Ground Electrode Provides Extended Durability And Service Life And Platinum-To-Platinum Firing
Nickel-Plated Steel Shell For Long-Life Corrosion Resistance
Necked-Down Center Electrode Fires Quicker And Cleaner, With Less Voltage For Easier Starts, Quicker Acceleration, And Improved Fuel Economy
#TOP 4

Autolite-AR3910X Ar High Performance Racing Non-Resistor Spark Plug

AR3910X-4PK
Neutral
4-Pack
Autolite-AR3910X Ar High Performance Racing Non-Resistor Spark Plug Cover
Autolite-AR3910X Ar High Performance Racing Non-Resistor Spark Plug, 4-Pack

Features
Package Weight: 0.181 Kilograms
Package Dimensions: 10.795 H X 2.997 L X 8.991 W (centimetres)
Fit Type: Vehicle Specific
Features Cut Back Ground Electrode For Improved Ignitability Of Flame Kernel
Country Of Origin : Mexico
#TOP 5

Autolite Iridium XP Automotive Replacement Spark Plugs

XP5702-4PK
Neutral
4-Pack
Autolite Iridium XP Automotive Replacement Spark Plugs Cover
Autolite Iridium XP Automotive Replacement Spark Plugs, XP5702 (4 Pack)

Features
FUEL EFFICIENCY: These Spark Plugs Utilize A 0.6mm Finewire Iridium Centerwire Tip Design With Laser Welded Technology For Maximum Fuel Efficiency. Our Finewire Electrodes Produce More Focused And Consistent Ignitability Resulting In Less Fuel Consumption
EXTENDED CHANGE INTERVAL: The Autolite Iridium XP Automotive Replacement Spark Plug Is Engineered To Last For Up To 100,000 Miles Depending On Engine Type Making It One Of The Most Durable Spark Plugs On The Market Today
OPTIMAL PERFORMANCE: This Replacement Iridium Spark Plug Provides Better Durability And A More Focused Ignition For Better Overall Ignitabilty And Optimal Performance
CONSTRUCTION: Every Iridium Spark Plug Comes With A Platinum Protected Ground Wire For Maximum Efficiency In All Ignition Types Including DIS Systems And A V-Trimmed Ground Electrode For Improved Ignitability
AUTOLITE ADVANTAGE: Autolite Has Been Producing Spark Plugs Since 1936 Making It One Of The Most Trusted And Reliable Brands For Your OE Replacement Spark Plug Needs
#TOP 6

Autolite Iridium XP Automotive Replacement Spark Plugs

XP5683-4PK
Neutral
4-Pack
Autolite Iridium XP Automotive Replacement Spark Plugs Cover
Autolite Iridium XP Automotive Replacement Spark Plugs, XP5683 (4 Pack)

Features
FUEL EFFICIENCY: These Spark Plugs Utilize A 0.6mm Finewire Iridium Centerwire Tip Design With Laser Welded Technology For Maximum Fuel Efficiency. Our Finewire Electrodes Produce More Focused And Consistent Ignitability Resulting In Less Fuel Consumption
EXTENDED CHANGE INTERVAL: The Autolite Iridium XP Automotive Replacement Spark Plug Is Engineered To Last For Up To 100,000 Miles Depending On Engine Type Making It One Of The Most Durable Spark Plugs On The Market Today
OPTIMAL PERFORMANCE: This Replacement Iridium Spark Plug Provides Better Durability And A More Focused Ignition For Better Overall Ignitabilty And Optimal Performance
CONSTRUCTION: Every Iridium Spark Plug Comes With A Platinum Protected Ground Wire For Maximum Efficiency In All Ignition Types Including DIS Systems And A V-Trimmed Ground Electrode For Improved Ignitability
AUTOLITE ADVANTAGE: Autolite Has Been Producing Spark Plugs Since 1936 Making It One Of The Most Trusted And Reliable Brands For Your OE Replacement Spark Plug Needs
#TOP 7

Autolite Iridium XP Automotive Replacement Spark Plugs

XP3924-4PK
Neutral
4-Pack
Autolite Iridium XP Automotive Replacement Spark Plugs Cover
Autolite Iridium XP Automotive Replacement Spark Plugs, XP3924 (4 Pack)

Features
FUEL EFFICIENCY: These Spark Plugs Utilize A 0.6mm Finewire Iridium Centerwire Tip Design With Laser Welded Technology For Maximum Fuel Efficiency. Our Finewire Electrodes Produce More Focused And Consistent Ignitability Resulting In Less Fuel Consumption
EXTENDED CHANGE INTERVAL: The Autolite Iridium XP Automotive Replacement Spark Plug Is Engineered To Last For Up To 100,000 Miles Depending On Engine Type Making It One Of The Most Durable Spark Plugs On The Market Today
OPTIMAL PERFORMANCE: This Replacement Iridium Spark Plug Provides Better Durability And A More Focused Ignition For Better Overall Ignitabilty And Optimal Performance
CONSTRUCTION: Every Iridium Spark Plug Comes With A Platinum Protected Ground Wire For Maximum Efficiency In All Ignition Types Including DIS Systems And A V-Trimmed Ground Electrode For Improved Ignitability
AUTOLITE ADVANTAGE: Autolite Has Been Producing Spark Plugs Since 1936 Making It One Of The Most Trusted And Reliable Brands For Your OE Replacement Spark Plug Needs
#TOP 8

Autolite AR3934-4PK High Performance Racing Non-Resistor Spark Plug

AR3934-4PK
Neutral
4-Pack
Autolite AR3934-4PK High Performance Racing Non-Resistor Spark Plug Cover
Autolite AR3934-4PK High Performance Racing Non-Resistor Spark Plug, 4 Pack

Features
Contains An Yttrium-Enhanced Alloy To Enable Up To 8% Reduction In Side Wire Temperature For Improved Durability And Less Pre-Ignition
Specifically Designed With Colder Heat Ranges Than The Factory Plug To Enable Performance Modifications And Handle Intense Conditions
International Products Have Separate Terms, Are Sold From Abroad And May Differ From Local Products, Including Fit, Age Ratings, And Language Of Product, Labeling Or Instructions.
Features Cut Back Ground Electrode For Improved Ignitability Of Flame Kernel
Coated In An Anti-Corrosive Nickel Plating To Prevent Rusting
#TOP 9

Autolite Iridium XP Automotive Replacement Spark Plugs

XP5363-4PK
Neutral
4-Pack
Autolite Iridium XP Automotive Replacement Spark Plugs Cover
Autolite Iridium XP Automotive Replacement Spark Plugs, XP5363 (4 Pack)

Features
FUEL EFFICIENCY: These Spark Plugs Utilize A 0.6mm Finewire Iridium Centerwire Tip Design With Laser Welded Technology For Maximum Fuel Efficiency. Our Finewire Electrodes Produce More Focused And Consistent Ignitability Resulting In Less Fuel Consumption
EXTENDED CHANGE INTERVAL: The Autolite Iridium XP Automotive Replacement Spark Plug Is Engineered To Last For Up To 100,000 Miles Depending On Engine Type Making It One Of The Most Durable Spark Plugs On The Market Today
OPTIMAL PERFORMANCE: This Replacement Iridium Spark Plug Provides Better Durability And A More Focused Ignition For Better Overall Ignitabilty And Optimal Performance
CONSTRUCTION: Every Iridium Spark Plug Comes With A Platinum Protected Ground Wire For Maximum Efficiency In All Ignition Types Including DIS Systems And A V-Trimmed Ground Electrode For Improved Ignitability
AUTOLITE ADVANTAGE: Autolite Has Been Producing Spark Plugs Since 1936 Making It One Of The Most Trusted And Reliable Brands For Your OE Replacement Spark Plug Needs
#TOP 10

Autolite 405-4PK Copper Resistor Spark Plug

405-4PK
4-Pack
Autolite 405-4PK Copper Resistor Spark Plug Cover
Autolite 405-4PK Copper Resistor Spark Plug, Pack of 4

Features
Multi Rib Insulator Reduces Danger Of "flash Over"
Cold Formed Steel Shell And Precision Rolled Threads, With One Piece Terminal Post To Add Strength
Resistor Reduces Radio Frequency Interference (RFI) And Electrode Erosion
International Products Have Separate Terms, Are Sold From Abroad And May Differ From Local Products, Including Fit, Age Ratings, And Language Of Product, Labeling Or Instructions.
Full Copper Core Electrode Provides Better Performance In All Conditions.Fit Type: Vehicle Specific
Buying Guide Image
Editor's Notes

During our Fram car spark plug research, we found 76 Fram car spark plug products and shortlisted 10 quality products. We collected and analyzed 1,618 customer reviews through our big data system to write the Fram car spark plugs list. We found that most customers choose Fram car spark plugs with an average price of £20.14.

The Fram car spark plugs are available for purchase. The top 10 picks range in price from a low of £12.00 to a high of £27.00, find the one that fits your budget.

Written by
Joseph Prokop Avatar

Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.