Best Spark Plugs For Audi A4 B8: image
Editor's Pick

Alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress. The plug’s twin-tip design allows for faster flame propagation and more complete combustion. It also reduces fuel consumption due to reduced friction between the spark plug and the engine. The plug is made from 100% pure aluminium with no lead or nickel content. The plug has been tested in various conditions including high temperature and low pressure. Notably, it was first used in 1962.

Best Spark Plugs For Audi A4 B8

Top 10 Best Spark Plugs For Audi A4 B8

1

ACDelco Gold 19 RAPIDFIRE Spark Plug

85 ratings | 11 offers | 85 Reviews
Price: $5.48$14.58
Why we chose it
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • Ribless insulator helps optimize plug to boot seal
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
ACDelco Gold 19 RAPIDFIRE Spark Plug: image
92%
customers recommend this product
4.6/ 5
2

Fram Autolite AP3923-4PK Platinum Spark Plug, Pack of 4

412 ratings | 1 offers | 412 Reviews
Price starts from: $7.49
Why we chose it
  • Nickel-plated steel shell for long-life corrosion resistance
  • Full platinum tip ensures virtually no gap erosion for long plug life
  • Yttrium enhanced, high nickel alloy side electrode maintains precise gap to increase plug life
  • Fit type: Vehicle Specific
  • Platinum alloy pad on ground electrode provides extended durability and service life and platinum-to-platinum firing
  • Necked-down center electrode fires quicker and cleaner, with less voltage for easier starts, quicker acceleration, and improved fuel economy
Fram Autolite AP3923-4PK Platinum Spark Plug, Pack of 4: image
90%
customers recommend this product
4.5/ 5
Value for money4.4
Mileage4.1
3

Denso (3145) K20PR-U Traditional Spark Plug, Pack of 1

3 ratings | 8 offers | 3 Reviews
Price: $1.46$7.68
Why we chose it
  • Stable combustion during idling
  • Efficient fuel consumption
  • K20PR-U
  • Increases engine performance and throttle response
  • Improved cold-starting
Denso (3145) K20PR-U Traditional Spark Plug, Pack of 1: image
100%
customers recommend this product
5/ 5
Top Pick
4

Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1)

1,270 ratings | 8 offers | 1,270 Reviews
Price: $4.48$8.99
Why we chose it
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
  • Purified alumina powder insulator provides exceptional dielectric strength and thermal conductivity, allowing the material to stand up to extreme stress
  • Twin-tip technology with 11 mm platinum center electrode and 11 mm titanium enhanced ground electrode
  • Improve fuel economy, better acceleration and faster starts than all other single platinum plugs
Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1): image
92%
customers recommend this product
4.6/ 5
Value for money4.5
Longevity4.4
Mileage4.4
5

ACDelco Gold 5 RAPIDFIRE Spark Plug (Pack of 1)

26 ratings | 14 offers | 26 Reviews
Price: $4.44$12.31
Why we chose it
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Ribless insulator helps optimize plug to boot seal
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
ACDelco Gold 5 RAPIDFIRE Spark Plug (Pack of 1): image
84%
customers recommend this product
4.2/ 5
6

Champion Champion Iridium 9805 Spark Plug (Carton of 1)

6 ratings | 8 offers | 6 Reviews
Price: $8.25$12.76
Why we chose it
  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • The fine-wire center electrode and platinum V-trimmed ground electrode produce the sharpest spark focus This provides the greatest engine performance regardless of the engine type or ignition system
  • Exclusive heat-active alloy allows the electrodes to reach optimal temperature quickly and maintain stable operating temperature under all engine loads
  • V-trimmed ground electrode promotes sharper spark focus
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • Maintains stable operating temperature under all engine loads
  • Champion iridium spark plugs feature a fine wire iridium center electrode that is laser-locked to the center electrode
Champion Champion Iridium 9805 Spark Plug (Carton of 1): image
74%
customers recommend this product
3.7/ 5
7
Why we chose it
  • Trivalent Metal Plating Provides Superior Anti-corrosion And Anti-seizing Properties
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength And Better Heat Transfer
  • Corrugated Ribs Prevent Flashover
  • Fine Wire Center Electrode Ensures High Durability And A Consistently Stable Spark
  • Iridium Alloy Has An Extremely High Melting Point, Perfect For Today’s High-tech, High Performance Engines
NGK 2667 BKR7EIX IX Iridium Spark Plug Compatible for BMW R1150GS 1999-2005 / Single Piece: image
94%
customers recommend this product
4.7/ 5
Value for money5
Mileage5
Easy to install5
8

Denso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1)

379 ratings | 8 offers | 379 Reviews
Price: $7.43$12.47
Why we chose it
  • Larger spark translates to more power and superior fuel economy
  • 0.7mm Platinum Ground Electrode
  • DENSO patented 360 degree laser welding process, ensuring exceptional quality bond and structural strength with the iridium center electrode.
  • Denso # 4702
  • 0.7 mm needle tip ground electrode, promotes higher spark energy and less heat quenching
  • DENSO patented 360 degree laser welding process, ensuring exceptional quality bond and structural strength with the iridium center electrode.
  • 0.4 mm iridium center electrode, world’s smallest diameter that maximizes firing potential
  • 0.4mm Iridium Center Electrode
Denso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1): image
94%
customers recommend this product
4.7/ 5
Longevity4.6
Value for money4.5
Mileage4.4
9

Denso 3403 Spark Plug

3 ratings | 12 offers | 3 Reviews
Price: $8.78$15.47
Why we chose it
  • Denso Part# SK20PR-A8
  • Platinum Tipped Ground Electrode
  • 0.7mm Fine Wire Iridium-Tipped Center Electrode
  • Extra Long Life Iridium Plug
Denso 3403 Spark Plug: image
100%
customers recommend this product
5/ 5
10

Champion Platinum Power 3068 Spark Plug (Carton of 1)

10 ratings | 5 offers | 10 Reviews
Price: $6.14$14.13
Why we chose it
  • Fine-wire center electrode for greater ignitability
  • Champion copper plus spark plugs use TinTac and ULTRASEAL Shells, this eliminates the need for the use of anti-seize compound during installation by providing the best corrosion protection of any spark plug in the industry
  • Platinum center electrode for long life
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • Durable: Champion copper plus spark plugs are built to ISO and SAE standards for proven performance Champion’s patented SAC-9 semi-conductor resistor provides maximum EMI and RFI suppression
  • Platinum Power- Premium Spark Plug. Powerful Performance.
  • V-trimmed ground electrode promotes sharper spark focus
Champion Platinum Power 3068 Spark Plug (Carton of 1): image
100%
customers recommend this product
5/ 5
Top Pick
Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1)
Twin-Tip design enables faster flame propagation for more complete combustion. DENSO pioneered the use of platinum in spark plug manufacturing. To maximize the longevity and enhance the durability of the spark plug, DENSO applied platinum to both the center and ground electrodes. Platinum offers superior resistance to erosion and corrosion enabling DENSO to create a spark plug capable of consistent performance.Five rib insulator prevents flashover
Ranking the Brands
ACDelco: 20.00%
Autolite: 10.00%
Denso: 40.00%
Champion: 20.00%
NGK: 10.00%

Comparison Table

Сomparison: ACDelco Gold 19 RAPIDFIRE Spark Plug: imageСomparison: Fram Autolite AP3923-4PK Platinum Spark Plug, Pack of 4: imageСomparison: Denso (3145) K20PR-U Traditional Spark Plug, Pack of 1: imageСomparison: Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1): imageСomparison: ACDelco Gold 5 RAPIDFIRE Spark Plug (Pack of 1): imageСomparison: Champion Champion Iridium 9805 Spark Plug (Carton of 1): imageСomparison: NGK 2667 BKR7EIX IX Iridium Spark Plug Compatible for BMW R1150GS 1999-2005 / Single Piece: imageСomparison: Denso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1): imageСomparison: Denso 3403 Spark Plug: imageСomparison: Champion Platinum Power 3068 Spark Plug (Carton of 1): image
ACDelco Gold 19 RAPIDFIRE Spark PlugFram Autolite AP3923-4PK Platinum Spark Plug, Pack of 4Denso (3145) K20PR-U Traditional Spark Plug, Pack of 1Denso (4504) PK20TT Platinum TT Spark Plug, (Pack of 1)ACDelco Gold 5 RAPIDFIRE Spark Plug (Pack of 1)Champion Champion Iridium 9805 Spark Plug (Carton of 1)NGK 2667 BKR7EIX IX Iridium Spark Plug Compatible for BMW R1150GS 1999-2005 / Single PieceDenso (4702) IK20TT Iridium TT Spark Plug, (Pack of 1)Denso 3403 Spark PlugChampion Platinum Power 3068 Spark Plug (Carton of 1)
BrandACDelcoAutoliteDensoDensoACDelcoChampionNGKDensoDensoChampion
Core MaterialCopperPlatinumCopperCopperIridiumIridium
Top Material TypeNickelNickel, Alloy SteelNickelMetalPlatinum
ManufacturerACDelcoFRAMDENSODensoACDelcoChampion Spark PlugNGKDensoDensoChampion Spark Plug
Item Weight1.6 ounces1.76 ounces1.76 ounces1.44 ounces0.8 ounces2.08 ounces1.59 ounces1.44 ounces1.28 ounces1.76 ounces
Product Dimensions4.4 x 3.5 x 1.4 inches1 x 1 x 3.38 inches3.35 x 0.96 x 0.96 inches1.1 x 3.4 x 1.2 inches4.41 x 3.59 x 1.44 inches3.8 x 1 x 0.9 inches4.35 x 2.24 x 2.08 inches3.35 x 0.98 x 0.98 inches3.35 x 0.98 x 0.98 inches0.8 x 0.9 x 3.7 inches
Country of OriginUSAMexicoUSAUSAUSAUSA
Is Discontinued By ManufacturerNoNoNoNoNoNoNoNo

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