Shop By Product Matching "E3 Spark Plug"
Choose your Engine for your 2003 Chevrolet Trailblazer EXT
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- NGK G-Power Platinum Spark Plug
- Gap 0.040"
- G-Power Spark Plug
- Product Attributes:
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
- 0.16
- 4.0
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Standard Replacement
- Service Number: Tr5gp
- Ground Electrode Tip Material: Nickel
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Tr5gp
- Resistor Type: Yes
- Stock Number: 3186
- Ground Electrode Tip Design: Trapezoid
- Pre-Gap Size:
- .040
- 1.0
- Ground Electrode Core Material: Nickel
- Material Grade: Platinum
- Center Electrode Projection: Mid Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
- 0.689
- 17.5
- Center Electrode Tip Material: Platinum
- Skirt Length: 0.0
- Manufacturer Heat Range: 5
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
- 2.07
- 52.5
- Thread Diameter:
- 0.551
- 14.0
-
Features:
- TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
- RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
- NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
19145290, 19250962, 19250963, 19250967, 25164641, 25164644, 3, 3013, 3013-2, 3026, 3186, 4005, 4205, 4309, 4457, 4511, 4713, 6...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2003 - Chevrolet Trailblazer EXT | V | 5328 | 8 Cyl 5.3L | 325 |
- NGK V-Power Spark Plug
- Gap 0.040"
- V-Power Spark Plug
- Product Attributes:
- Center Electrode Design: Standard
- Center Electrode Insulator Tip Projection:
- 0.16
- 4.0
- Washer Included: No
- Electrical Terminal Type: Removable Nut
- Grade Type: Standard Replacement
- Service Number: Tr5
- Ground Electrode Tip Material: Nickel
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Tr5
- Resistor Type: Yes
- Stock Number: 2238
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- .040
- 1.0
- Ground Electrode Core Material: Nickel
- Material Grade: Nickel/copper
- Center Electrode Projection: Mid Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
- 0.689
- 17.5
- Center Electrode Tip Material: Nickel
- Skirt Length: 0.0
- Manufacturer Heat Range: 5
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
- 2.07
- 52.5
- Thread Diameter:
- 0.551
- 14.0
-
Features:
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
104, 104BP, 104DP2, 105, 106, 106BP, 1765180, 1835078T, 20, 2238, 241229617, 2R44LTS, 3243, 3244, 3245, 3246, 3565, 3724...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2003 - Chevrolet Trailblazer EXT | V | 5328 | 8 Cyl 5.3L | 325 |
- NGK Iridium IX Spark Plug
- Gap 0.040"
- Iridium IX Spark Plug
- Product Attributes:
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
- 0.16
- 4.0
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Performance
- Service Number: Tr5ix
- Ground Electrode Tip Material: Nickel
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Tr5ix
- Resistor Type: Yes
- Stock Number: 7397
- Ground Electrode Tip Design: Taper Cut
- Pre-Gap Size:
- .040
- 1.0
- Ground Electrode Core Material: Nickel
- Material Grade: Iridium
- Center Electrode Projection: Mid Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
- 0.689
- 17.5
- Center Electrode Tip Material: Iridium
- Skirt Length: 0.0
- Manufacturer Heat Range: 5
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
- 2.07
- 52.5
- Thread Diameter:
- 0.551
- 14.0
-
Features:
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
- NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
12571533, 1765290, 1835350T, 1835384T, 1835422T, 241-904, 241-906, 241-910, 25164640, 3, 4011, 41-900, 41-904, 41-906, 41-907, 41-910, 41-986, 4205...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2003 - Chevrolet Trailblazer EXT | V | 5328 | 8 Cyl 5.3L | 325 |
- Autolite 5245 Copper Spark Plug
- Gap .040 (in); Auto
- Copper Spark Plug
- Product Attributes:
- Center Electrode Projection: Long Projection
- Center Electrode Insulator Tip Projection:
- 0.19
- 4.83
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Regular
- Core Nose Length:
- 0.449
- 11.4
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
- 0.679
- 17.25
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.044
- 1.12
- Resistance: 4000
- Insulator Height:
- 2.026
- 51.46
-
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
- Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
15, 19157998, 21341, 213416, 25164644, 31241, 3754, 3851868, 41-908, 5614053, 5614155, 5614230, 5614279, AGSF33C, AGSF43C, C45LR, C46LR, CC524E...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2003 - Chevrolet Trailblazer EXT | V | 5328 | 8 Cyl 5.3L | 325 |
- NGK Ruthenium HX High Ignitability Spark Plug
- Gap 0.044"
- Ruthenium HX High Ignitability Spark Plug
- Product Attributes:
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
- 0.12
- 3.0
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Performance
- Service Number: Ltr5ahx
- Ground Electrode Tip Material: Platinum
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Ltr5ahx
- Resistor Type: Yes
- Stock Number: 90220
- Ground Electrode Tip Design: Dual Fine Electrode (dfe) - High Ignitability
- Pre-Gap Size:
- .044
- 1.1
- Ground Electrode Core Material: Nickel
- Material Grade: Ruthenium
- Center Electrode Projection: Mid Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
- 0.984
- 25.0
- Center Electrode Tip Material: Ruthenium
- Skirt Length: 0.0
- Manufacturer Heat Range: 5
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
- 2.07
- 52.5
- Thread Diameter:
- 0.551
- 14.0
-
Features:
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- RECOMMENDED USAGE: Modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
- HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
- PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
- RUTHENIUM ALLOY CENTER ELECTRODE: NGK's patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
12569190, 12598004, 12599232, 12617309, 12620540, 12622441, 12625058, 12627160, 12681663, 41-103, 41-108, 41-114, 41-115, 41-981, 8125980040, 8126250580, 90220, AYFS22FM...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2003 - Chevrolet Trailblazer EXT | L | - | 6 Cyl 4.2L | 256 |
- Autolite APP5263 Double Platinum Spark Plug
- Gap .043 (in)
- Double Platinum Spark Plug
- Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
- 0.133
- 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
- 0.571
- 14.5
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
- 0.982
- 24.94
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 11
- Pre-Gap Size:
- 0.04
- 1.02
- Resistance: 4000
- Insulator Height:
- 2.192
- 55.68
-
Features:
- Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
- The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
- Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
- The multi-rib insulator prevents flash-over.
- Autolite® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life. It provides superior performance over copper and platinum plugs primarily used in distributorless ignition system (DIS) engines.
-
Suggested Purchase Quantity: 4
- Most jobs typically require 4 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
12569190, 12599232, 19239701, 19326703, 25337472, 41-834, 41-955, 41-981, 41-988, 4718, 4998, 7032, 7570, 7981, 8-12569-190-0, 8107, 8114, 8161...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2003 - Chevrolet Trailblazer EXT | L | - | 6 Cyl 4.2L | 256 |
- Autolite APP5263 Double Platinum Spark Plug
- OE Style
- Double Platinum Spark Plug
- Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
- 0.133
- 3.38
- Seat Type: Tapered
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
- 0.571
- 14.5
- Ground Electrode Tip Material: Platinum
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 5/8
- Reach:
- 0.982
- 24.94
- Center Electrode Tip Material: Platinum
- Ground Electrode Tip Design: Standard
- Manufacturer Heat Range: 11
- Pre-Gap Size:
- 0.04
- 1.02
- Resistance: 4000
- Insulator Height:
- 2.192
- 55.68
-
Features:
- Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
- The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
- Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
- The multi-rib insulator prevents flash-over.
- Autolite® Double Platinum spark plugs have a platinum-to-platinum design that decreases gap erosion, reduces misfires, and provides improved durability*, leading to longer service life. It provides superior performance over copper and platinum plugs primarily used in distributorless ignition system (DIS) engines.
-
Suggested Purchase Quantity: 4
- Most jobs typically require 4 of this item.
- This item must be purchased in quantities of 4
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2003 - Chevrolet Trailblazer EXT | L | - | 6 Cyl 4.2L | 256 |
- NGK Ruthenium HX High Ignitability Spark Plug
- Gap 0.040"
- Ruthenium HX High Ignitability Spark Plug
- Product Attributes:
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
- 0.12
- 3.0
- Washer Included: No
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Performance
- Service Number: Tr5ahx
- Ground Electrode Tip Material: Platinum
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Tr5ahx
- Resistor Type: Yes
- Stock Number: 94567
- Ground Electrode Tip Design: Dual Fine Electrode (dfe) - High Ignitability
- Pre-Gap Size:
- .044
- 1.1
- Ground Electrode Core Material: Nickel
- Material Grade: Ruthenium
- Center Electrode Projection: Mid Projection
- Seat Type: Tapered
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 5/8" (16mm)
- Reach:
- 0.689
- 17.5
- Center Electrode Tip Material: Ruthenium
- Skirt Length: 0.0
- Manufacturer Heat Range: 5
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
- 1.99
- 50.5
- Thread Diameter:
- 0.551
- 14.0
-
Features:
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
- RECOMMENDED USAGE: Modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
- PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RUTHENIUM ALLOY CENTER ELECTRODE: NGK's patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
- NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
12571164, 12571533, 12571535, 12578277, 12607234, 12609877, 12621258, 12679799, 12679800, 12680072, 12680073, 19158035, 19158037, 19158041, 19158042, 19158043, 19208533, 19208534...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2003 - Chevrolet Trailblazer EXT | V | 5328 | 8 Cyl 5.3L | 325 |
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