20 Best Spark Plugs For 5.3 Vortec (2022 Updated)

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Spark plugs are used in gasoline engines to ignite the fuel-air mixture by providing a spark across the spark plug’s electrodes. In a 5. 3L Vortec engine, there are 8 spark plugs, one for each cylinder.

The spark plugs are located at the top of the cylinders, under the coil packs.

20 Best Spark Plugs For 5.3 Vortec

Product Image Product Name Features Price

MSD – 37134 – Iridium Spark Plug

  • Proprietary plug design inside and out
  • Designed for use on high performance vehicles that utilize high output ignition systems

NGK – 1465 – Spark Plug

  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer

E3 Spark Plugs Spark Plug E3.54

  • Significant potential power increase: > 6% to 12% (depending on engine class).
  • Significant potential fuel efficiency improvement: > 4% to 13% (depending on engine class).

NGK 7164 Spark Plug

  • Fine Iridium Tip Ensures High Durability And A Consistently Stable Spark
  • Iridium Alloy Has Extremely High Melting Point, Perfect For Today’s High-Tech, High-Performance Engines

ACDelco – 41-105 – Iridium Spark Plug

  • Latest evolution in high-performance plug electrode material.
  • Improved cold-starting and acceleration characteristics.
  • Reduced ignition-system voltage demand saves wear and tear.

MSD – 3740 – Iridium Spark Plug

  • Improves Comprehensive Drivability And Economy
  • Proprietary Ceramic Formula
  • Outlast Performance Plugs

Autolite 605 – Spark Plug

  • Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof

Autolite AP5245 Platinum Spark Plug

  • High nickel alloy side electrode maintains precise gap
  • Platinum plugs feature a center wire platinum firing tip
  • Full platinum tip assures virtually no gap erosion

ACDelco – 41-122 – Iridium Spark Plug

  • Iridium offers excellent engine idle stability and smooth performance
  • Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration

MSD – 3723 – Iridium Spark Plug

  • Proprietary plug design inside and out
  • Designed for use on high performance vehicles that utilize high output ignition systems

NGK Laser Iridium 3474 Spark Plug

  • Fine iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines

ACDelco Conventional Spark Plug R44LTS6

  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires

Bosch Double Platinum Spark Plug 8104

  • Laser welded Platinum inlay ground electrode provides 3X longer service life compared to standard copper plugs
  • Fine wire Platinum firing pin for better ignitability and performance

ACDelco Conventional Spark Plug, R45TS

  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark flash over and misfires

MSD – 3711 – Iridium Spark Plug

  • Proprietary plug design inside and out
  • Designed for use on high performance vehicles that utilize high output ignition systems

Bosch OE Fine Wire Double Iridium Spark Plug, Bosch 9698

  • Frame mounted mechanical unit
  • Gaskets included
  • Always

ACDelco 41-103 Professional Iridium Spark Plug (Pack of 1)

  • Iridium offers excellent engine idle stability and smooth performance
  • Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration

NGK 3186 Spark Plug4.89,7574.8 out of 5 stars. 9,757 product reviews.

  • Tr5gp

Accel 8196 Spark Plug

  • Platinum and Iridium Plugs Are Less Electrically Conductive Than Copper Plugs Heat Dissipation
  • Copper Dissipates Heat Much Better Than Platinum & Iridium Especially In High Performance Engines “C”- Cut Design
MSD – 37134 – Iridium Spark Plug
  • Proprietary plug design inside and out
  • Designed for use on high performance vehicles that utilize high output ignition systems
NGK – 1465 – Spark Plug
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
E3 Spark Plugs Spark Plug E3.54
  • Significant potential power increase: > 6% to 12% (depending on engine class).
  • Significant potential fuel efficiency improvement: > 4% to 13% (depending on engine class).
NGK 7164 Spark Plug
  • Fine Iridium Tip Ensures High Durability And A Consistently Stable Spark
  • Iridium Alloy Has Extremely High Melting Point, Perfect For Today’s High-Tech, High-Performance Engines
ACDelco – 41-105 – Iridium Spark Plug
  • Latest evolution in high-performance plug electrode material.
  • Improved cold-starting and acceleration characteristics.
  • Reduced ignition-system voltage demand saves wear and tear.
MSD – 3740 – Iridium Spark Plug
  • Improves Comprehensive Drivability And Economy
  • Proprietary Ceramic Formula
  • Outlast Performance Plugs
Autolite 605 – Spark Plug
  • Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof
Autolite AP5245 Platinum Spark Plug
  • High nickel alloy side electrode maintains precise gap
  • Platinum plugs feature a center wire platinum firing tip
  • Full platinum tip assures virtually no gap erosion
ACDelco – 41-122 – Iridium Spark Plug
  • Iridium offers excellent engine idle stability and smooth performance
  • Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration
MSD – 3723 – Iridium Spark Plug
  • Proprietary plug design inside and out
  • Designed for use on high performance vehicles that utilize high output ignition systems
NGK Laser Iridium 3474 Spark Plug
  • Fine iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines
ACDelco Conventional Spark Plug R44LTS6
  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
Bosch Double Platinum Spark Plug 8104
  • Laser welded Platinum inlay ground electrode provides 3X longer service life compared to standard copper plugs
  • Fine wire Platinum firing pin for better ignitability and performance
ACDelco Conventional Spark Plug, R45TS
  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark flash over and misfires
MSD – 3711 – Iridium Spark Plug
  • Proprietary plug design inside and out
  • Designed for use on high performance vehicles that utilize high output ignition systems
Bosch OE Fine Wire Double Iridium Spark Plug, Bosch 9698
  • Frame mounted mechanical unit
  • Gaskets included
  • Always
ACDelco 41-103 Professional Iridium Spark Plug (Pack of 1)
  • Iridium offers excellent engine idle stability and smooth performance
  • Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration
NGK 3186 Spark Plug4.89,7574.8 out of 5 stars. 9,757 product reviews.
  • Tr5gp
Accel 8196 Spark Plug
  • Platinum and Iridium Plugs Are Less Electrically Conductive Than Copper Plugs Heat Dissipation
  • Copper Dissipates Heat Much Better Than Platinum & Iridium Especially In High Performance Engines “C”- Cut Design

1. MSD – 37134 – Iridium Spark Plug

MSD - 37134 - Iridium Spark Plug

  • Proprietary plug design inside and out
  • Designed for use on high performance vehicles that utilize high output ignition systems
  • Machined electrode increases exposure to the flame to improve combustion
  • MSD‚Äôs proprietary ceramic formula provides the highest dielectric strength
  • Yttrium ground electrode reduces the chance of pre-ignition

Check Latest Price

Sold By Price
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Holley

Product Details

Specifications

Details
Length 1 in
Height 3.5 in
Width 3.9 in
Weight 0.5 lb

2. NGK – 1465 – Spark Plug

NGK - 1465 - Spark Plug

  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
  • Copper core aids in heat removal
  • Triple seals prevent leakage

Check Latest Price

Sold By Price
Amazon.com
eBay
Walmart
AutoZone

Product Details

Specifications

Details
Vehicle 2009 Hummer H3 8 Cylinders L 5.3L MFI OHV
Vehicle 2002 GMC Sierra 2500 2WD 8 Cylinders U 6.0L FI OHV

Reviews From Real Customers

Joecarguy

3. E3 Spark Plugs Spark Plug E3.54

E3 Spark Plugs Spark Plug E3.54

  • Significant potential power increase: > 6% to 12% (depending on engine class).
  • Significant potential fuel efficiency improvement: > 4% to 13% (depending on engine class).
  • See manufacturer website for application information.

Check Latest Price

Sold By Price
Amazon.com
eBay
Summit Racing
A-1 Racing Products

Product Details

Specifications

Details
Part Type Spark Plugs
Spark Plug Thread Size 14mm
Spark Plug Reach (in.) 0.708 in.
Spark Plug Reach (mm) 17.98mm
Shorty Spark Plug No

Reviews From Real Customers

Average Bill
S.M.T.

4. NGK 7164 Spark Plug

NGK 7164 Spark Plug

  • Fine Iridium Tip Ensures High Durability And A Consistently Stable Spark
  • Iridium Alloy Has Extremely High Melting Point, Perfect For Today’s High-Tech, High-Performance Engines
  • Trivalent Metal Plating Provides Superior Anti-Corrosion And Anti-Seizing Properties
  • Outstanding Acceleration, High Fuel Efficiency And Durability
  • Ultimate Design, Technology And Performance

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
Discount Bandit – Auto Part Emporium
Nightmotorsport

Product Details

Specifications

Details
Construction Resistor
Sold Unit
Spark number TR55IX
Assembled Product Weight 0.65 lbs
Assembled Product Dimensions (L x W x H) 4.02 x 3.46 x 0.91 Inches

Reviews From Real Customers

Dmitry
eric
Mr. G from Texas

5. ACDelco 41-962 Professional Platinum Spark Plug Pack of 1

ACDelco 41-962 Professional Platinum Spark Plug Pack of 1

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Advance Auto Parts

Product Details

Specifications

Details
Assembled Product Weight 0.19 oz
Assembled Product Dimensions (L x W x H) 10.00 x 5.00 x 12.00 Inches

Reviews From Real Customers

Jose R.

6. ACDelco – 41-105 – Iridium Spark Plug

ACDelco - 41-105 - Iridium Spark Plug

  • Latest evolution in high-performance plug electrode material.
  • Improved cold-starting and acceleration characteristics.
  • Reduced ignition-system voltage demand saves wear and tear.
  • New-vehicle applications using iridium plugs continue to increase.

Check Latest Price

Sold By Price
Amazon
eBay
AutoZone
Summit Racing

Product Details

Specifications

Details
Vehicle 2002 Saturn VUE 2WD 4 Cylinders 2.2L MFI DOHC
Vehicle 2002 Saturn VUE AWD 4 Cylinders 2.2L MFI DOHC
Vehicle 2003 Saturn ION 4 Cylinders 2.2L MFI DOHC
Vehicle 2003 Saturn VUE 2WD 4 Cylinders 2.2L MFI DOHC
Vehicle 2003 Saturn VUE AWD 4 Cylinders 2.2L MFI DOHC

7. MSD – 3740 – Iridium Spark Plug

MSD - 3740 - Iridium Spark Plug

  • Improves Comprehensive Drivability And Economy
  • Proprietary Ceramic Formula
  • Outlast Performance Plugs
  • Unique Insulator Design
  • Yttrium Copper Core

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
Holley

Product Details

Specifications

Details
Part Type Spark Plugs
Spark Plug Thread Size 14mm
Spark Plug Reach (in.) 0.375 in.
Spark Plug Reach (mm) 9.53mm
Manufacturer Heat Range 6

8. Autolite 605 – Spark Plug

Autolite 605 - Spark Plug

  • Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof
  • Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength
  • Multi-rib insulator reduces danger of “flash-over”
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Full copper core electrode provides better performance in all conditions

Check Latest Price

Sold By Price
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eBay
AutoZone
Advance Auto Parts

Product Details

Specifications

Details
Item has MSDS (SDS)? N
Item is Shipped at this Packaging Level N
Information Effective Date 2010-03-10
Packaging Depth 1 IN
Packaging Height 3.38 IN

9. Autolite AP5245 Platinum Spark Plug

Autolite AP5245 Platinum Spark Plug

  • High nickel alloy side electrode maintains precise gap
  • Platinum plugs feature a center wire platinum firing tip
  • Full platinum tip assures virtually no gap erosion
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy

Check Latest Price

Sold By Price
Amazon
eBay
Home Depot
Advance Auto Parts

Product Details

Specifications

Details
Item has MSDS (SDS)? N
Item is Shipped at this Packaging Level N
Information Effective Date 2010-03-10
Packaging Depth 1 IN
Packaging Height 3.38 IN

10. ACDelco – 41-122 – Iridium Spark Plug

ACDelco - 41-122 - Iridium Spark Plug

  • Iridium offers excellent engine idle stability and smooth performance
  • Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration
  • Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form
  • One piece suppressor seal helps block radio frequencies that can affect vehicle electronics
  • Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage

Check Latest Price

Sold By Price
Amazon
eBay
Home Depot
AutoZone

Product Details

Specifications

Details
Part Type Spark Plugs
Spark Plug Reach (in.) 0.748 in.
Spark Plug Reach (mm) 19.00mm
Shorty Spark Plug No
Resistor Yes

11. MSD – 3723 – Iridium Spark Plug

MSD - 3723 - Iridium Spark Plug

  • Proprietary plug design inside and out
  • Designed for use on high performance vehicles that utilize high output ignition systems
  • Machined electrode increases exposure to the flame to improve combustion
  • MSD‚Äôs proprietary ceramic formula provides the highest dielectric strength
  • Yttrium ground electrode reduces the chance of pre-ignition

Check Latest Price

Sold By Price
Amazon
eBay – msdperformance
Walmart
Holley

Product Details

Specifications

Details
Length 0.9 in
Height 3.3 in
Width 0.9 in
Weight 0.09 lb

12. NGK Laser Iridium 3474 Spark Plug

NGK Laser Iridium 3474 Spark Plug

  • Fine iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance

Check Latest Price

Sold By Price
Amazon
eBay – northjerseydiscountautoparts
eEuroparts.com

Product Details

Specifications

Details
Length 4 in
Height 0.9 in
Width 4 in
Weight 0.1 lb

13. ACDelco Conventional Spark Plug R44LTS6

ACDelco Conventional Spark Plug R44LTS6

  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
  • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
  • Available for use in Marine applications

Check Latest Price

Sold By Price
Amazon
eBay
Home Depot
Summit Racing

Product Details

Specifications

Details
Part Type Spark Plugs
Spark Plug Thread Size 14mm
Spark Plug Reach (in.) 0.679 in.
Spark Plug Reach (mm) 17.25mm
Shorty Spark Plug No

14. Bosch Double Platinum Spark Plug 8104

Bosch Double Platinum Spark Plug 8104

  • Laser welded Platinum inlay ground electrode provides 3X longer service life compared to standard copper plugs
  • Fine wire Platinum firing pin for better ignitability and performance
  • Unique 360 continuous laser weld fuses corrosion resistant Platinum firing pin to base
  • Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize for installation
  • Bosch Double Platinum spark plugs are pre-gapped at the factory and do not require a gap adjustment prior to installation

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Product Details

Specifications

Details
Vehicle 2008 GMC Yukon 2WD 8 Cylinders 0 5.3L FI FFV OHV
Vehicle 2008 GMC Yukon 2WD 8 Cylinders C 4.8L MFI OHV
Vehicle 2000 Chevrolet Camaro 8 Cylinders G 5.7L MFI OHV
Vehicle 2008 GMC Yukon 2WD 8 Cylinders J 5.3L MFI OHV
Vehicle 2003 GMC Envoy 2WD 8 Cylinders P 5.3L MFI OHV

15. ACDelco Conventional Spark Plug, R45TS

ACDelco Conventional Spark Plug, R45TS

  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark flash over and misfires
  • Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
  • Available for use in Marine applications

Check Latest Price

Sold By Price
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eBay
Advance Auto Parts
Scoggin-Dickey Parts Center

Product Details

Reviews From Real Customers

CRG
CHAD
Russel

16. MSD – 3711 – Iridium Spark Plug

MSD - 3711 - Iridium Spark Plug

  • Proprietary plug design inside and out
  • Designed for use on high performance vehicles that utilize high output ignition systems
  • Machined electrode increases exposure to the flame to improve combustion
  • MSD’s proprietary ceramic formula provides the highest dielectric strength
  • Yttrium ground electrode reduces the chance of pre-ignition

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
Torqued

Product Details

Specifications

Details
Part Type Spark Plugs
Spark Plug Thread Size 14mm
Spark Plug Reach (in.) 0.691 in.
Spark Plug Reach (mm) 17.55mm
Manufacturer Heat Range 4

17. Bosch OE Fine Wire Double Iridium Spark Plug, Bosch 9698

Bosch OE Fine Wire Double Iridium Spark Plug, Bosch 9698

  • Frame mounted mechanical unit
  • Gaskets included
  • Always

Check Latest Price

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Amazon
eBay
AutoZone
Global Industrial

Product Details

18. ACDelco 41-103 Professional Iridium Spark Plug (Pack of 1)

ACDelco 41-103 Professional Iridium Spark Plug (Pack of 1)

  • Iridium offers excellent engine idle stability and smooth performance
  • Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration
  • Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form
  • One piece suppressor seal helps block radio frequencies that can affect vehicle electronics
  • Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage

Check Latest Price

Sold By Price
Amazon
eBay
Bonanza – coco tree store
O’Reilly Auto Parts

Product Details

Specifications

Details
Product Dimensions 6.7 x 3.9 x 1 inches
Country of Origin USA
Is Discontinued By Manufacturer Yes
Exterior Chrome
Core Material Iridium

Reviews From Real Customers

Jed
jp69
JFK1

19. NGK 3186 Spark Plug4.89,7574.8 out of 5 stars. 9,757 product reviews.

NGK 3186 Spark Plug4.89,7574.8 out of 5 stars. 9,757 product reviews.

  • Tr5gp

Check Latest Price

Sold By Price
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Product Details

Specifications

Details
Vehicle 1985 Jaguar XJS 12 Cylinders 0 5.3L FI (Can)
Vehicle 1985 Jaguar XJS 12 Cylinders 8 5.3L MFI SOHC
Vehicle 1988 Buick Century 6 Cylinders 3 3.8L MFI OHV
Vehicle 1986 Buick Riviera 6 Cylinders B 3.8L MFI OHV
Vehicle 1986 Ford Ranger 2WD 6 Cylinders T 2.9L MFI OHV

20. Accel 8196 Spark Plug

Accel 8196 Spark Plug

  • Platinum and Iridium Plugs Are Less Electrically Conductive Than Copper Plugs Heat Dissipation
  • Copper Dissipates Heat Much Better Than Platinum & Iridium Especially In High Performance Engines “C”- Cut Design
  • Ground Electrode is Cut Back Unshrouding the Spark Kernel Gapable
  • Open Up the Gap For a Larger Spark Kernel or Close It Up If Needed For Boosted Applications Machine Rolled Threads
  • For a More Precise Thread Engagement and Torque Retention Performance

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AmericanMuscle.com
AmericanTrucks.com

Product Details

Specifications

Details
Length 1.2 in
Height 9.1 in
Width 3.7 in
Weight 0.8 lb

Reviews From Real Customers

JosephMod
Raznintyeight

Conclusion

The conclusion of spark plugs for 5. 3 vortec is that they are an essential part of the engine and need to be replaced regularly. Without them, the engine will not run properly and could eventually damage itself.

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