Best Spark Plugs For 4.8 Silverado: image
Best Overall

Genuine NGK Replacement Parts. Please refer to list for compatibility with original equipment and spare parts supplied by the manufacturer. This is a genuine replacement part manufactured by Niti International, which has been tested to ensure proper installation. The spark plug is made from high-quality stainless steel and comes with a lifetime warranty. Notably, this is the first time an NGK replacement part has been produced in India.

Value for Money

G-Power Iridium Alloy Spark Plugs offer improved performance and faster starts. The plugs have been designed to reduce the risk of spark plug failure due to a defect in the gasket, which is used to control the flow of combustion gases. They are also less expensive than conventional metals like copper and aluminium. The plugs can be installed without any tools or special tools. It has a lifetime warranty of one year.

Honorable Mention

G-Power Iridium Alloy spark plugs have been introduced in India. The insulator is made from nickel alloy and has a thickness of 0.2 mm, which reduces the risk of cracking due to high temperature range. It also offers 360 degree laser welding. The plugs are designed to provide maximum heat dispersion with minimum noise levels. They can be used on diesel engines as well as on petrol engines. The plugs are available in three sizes: LPG, VOLKS and LSX.

Best Spark Plugs For 4.8 Silverado

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Top 5 Best Spark Plugs For 4.8 Silverado

Top Pick
1

NGK 3951 Pack of 8 Spark Plugs (TR55)

2,383 ratings | 11 offers | 2,383 Reviews
Price: $18.38$27.65
Why we chose it
  • Includes (8) Spark Plug.
  • Genuine NGK Replacement Part.
  • Consult owners manual for proper part number identification and proper installation.
  • Please refer to list for compatibility.
  • New, Bulk Packed.
NGK 3951 Pack of 8 Spark Plugs (TR55): image
94%
customers recommend this product
4.7/ 5
Value for money4.6
Longevity4.5
Mileage4.3
2
Why we chose it
  • High quality from high quality material :Purified alumina powder insulator from Germany ALMATIS(Model:HVA FG Q06) and Full-automatic isopressing Iron shell(Model:20# 08 AL) and automatic welding/rolling bending Central electrode Iridium alloy and 360 degree laser welding
  • Increased conductivity : Increased conductivity and heat control for good overall. Stability: 0.5mm laser welded fine Iridium tip reduces required voltage ensuring high durability and a consistently stable spark
  • Durability :Trivalent Metal Plating offers superior anti corrosion and anti seizing properties while the triple gasket seal eliminates combustion gas leakage
  • Reduce the risk :Updated design reduce the risk of breaking off during working
  • Increases Fuel Efficiency : G-Power Iridium Alloy Spark Plugs offer superior performance with improved fuel efficiency, Acdelco lower emissions, and quicker starts
HiVehicle New Iridium Spark Plug OE19299585 41 962 - Specially For Chevrolet, GMC, Cadillac, Buick,Hummer,Oldsmobile,Pontiac,Superior quality,8pcs set.: image
90%
customers recommend this product
4.5/ 5
Value for money4.7
Mileage4.6
Longevity4.4
3

ACDelco GM Original Equipment R44LTSM Conventional Spark Plug

145 ratings | 17 offers | 145 Reviews
Price: $1.69$13.94
Why we chose it
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Available for use in Marine applications
  • Black Onyx coating helps reduce corrosion
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
  • Copper core provides great heat transfer and helps maximize plug durability
  • ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
ACDelco GM Original Equipment R44LTSM Conventional Spark Plug: image
88%
customers recommend this product
4.4/ 5
4

Champion Platinum Power 3015 Spark Plug (Carton of 1)

7 ratings | 7 offers | 7 Reviews
Price: $5.48$7.78
Why we chose it
  • Platinum conductor Center electrode platinum tip wears less than a standard spark plug This allows the plug to maintain the gap setting throughout its life
  • Platinum Power- Premium Spark Plug. Powerful Performance.
  • Platinum center electrode for long life
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • Exclusive heat-active alloy allows the electrodes to reach optimal temperature quickly and maintain stable operating temperature under all engine loads
Champion Platinum Power 3015 Spark Plug (Carton of 1): image
76%
customers recommend this product
3.8/ 5
5
Why we chose it
  • High quality material : TOP Material:Nickel,Core Material:Iridium.Hivehicle Purified alumina powder insulator from Germany ALMATIS(Model:HVA FG Q06) and Full-automatic isopressing Iron shell(Model:20# 08 AL) and automatic welding/rolling bending Central electrode Iridium alloy and 360 degree laser welding
  • Increased conductivity : Increased conductivity and heat control for good overall. Stability: 0.5mm laser welded fine iridium tip reduces required voltage ensuring high durability and a consistently stable spark
  • Durability : Trivalent Metal Plating offers superior anti corrosion and anti seizing properties while the triple gasket seal eliminates combustion gas leakage
  • Increases Fuel Efficiency : G-Power Iridium Alloy Spark Plugs 12621258 offer superior performance with improved fuel efficiency, lower emissions, and quicker starts
  • Reduce the risk :Hivehicle OE12621258 spark plugs Updated design reduce the risk of breaking off during working
HiVehicle Iridium Spark Plug OE12621258 41 110 - Pack of 8, For Chevy GMC Cadillac Buick,Hummer,Isuzu,Pontiac,Saab: image
86%
customers recommend this product
4.3/ 5
Value for money4.2
Mileage4
Longevity3.4
Top Pick
NGK 3951 Pack of 8 Spark Plugs (TR55)
Includes (8) Spark Plug. Genuine NGK Replacement Part. New, Bulk Packed. Consult owners manual for proper part number identification and proper installation. Please refer to list for compatibility.
Ranking the Brands
NGK: 20.00%
HiVehicle: 40.00%
ACDelco: 20.00%
Champion: 20.00%

Comparison Table

Сomparison: NGK 3951 Pack of 8 Spark Plugs (TR55): imageСomparison: HiVehicle New Iridium Spark Plug OE19299585 41 962 - Specially For Chevrolet, GMC, Cadillac, Buick,Hummer,Oldsmobile,Pontiac,Superior quality,8pcs set.: imageСomparison: ACDelco GM Original Equipment R44LTSM Conventional Spark Plug: imageСomparison: Champion Platinum Power 3015 Spark Plug (Carton of 1): imageСomparison: HiVehicle Iridium Spark Plug OE12621258 41 110 - Pack of 8, For Chevy GMC Cadillac Buick,Hummer,Isuzu,Pontiac,Saab: image
NGK 3951 Pack of 8 Spark Plugs (TR55)HiVehicle New Iridium Spark Plug OE19299585 41 962 – Specially For Chevrolet, GMC, Cadillac, Buick,Hummer,Oldsmobile,Pontiac,Superior quality,8pcs set.ACDelco GM Original Equipment R44LTSM Conventional Spark PlugChampion Platinum Power 3015 Spark Plug (Carton of 1)HiVehicle Iridium Spark Plug OE12621258 41 110 – Pack of 8, For Chevy GMC Cadillac Buick,Hummer,Isuzu,Pontiac,Saab
BrandNGKHiVehicleACDelcoChampionHiVehicle
Core MaterialCopperIridiumCopperNickel
Top Material TypeNickelNickelNickelNickel
Vehicle Service TypeMotorcycleEscalade05-09 Saab 9-7X V8 5.3L/6.0L
ManufacturerNGKHiVehicleACDelcoChampion Spark PlugHiVehicle
Item Weight1.76 ounces13.6 ounces0.8 ounces1.6 ounces13.6 ounces
Product Dimensions96.48 x 41.52 x 10.92 inches2.99 x 0.55 x 0.55 inches4.1 x 3.5 x 1.1 inches3.8 x 0.9 x 1 inches2.99 x 0.55 x 0.55 inches
Thread SizeM14M14
Is Discontinued By ManufacturerNoYesNo
ExteriorMetallic FinishMachinedMetallic Finish

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