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E3 Spark Plugs

4.64 out of 5 stars 704 Customer Reviews

Energy, efficiency, and ecology--that's the E3 equation! The unique patented electrode configuration of the E3 spark plugs increases the amount of combustion pressure created during each power stroke of an engine. This, of course, results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines.

Results 1 - 11 of 11

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.460 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-42

4.7 out of 5 stars ( 139 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-54

4.59 out of 5 stars ( 98 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Spark Plug, E3, Gasket Seat, 14mm Thread, 0.375 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-52

4.91 out of 5 stars ( 54 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Spark Plug, E3, Gasket Seat, 14mm Thread, 0.750 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-48

4.62 out of 5 stars ( 84 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Spark Plug, E3, Tapered Seat, 14mm Thread, 1.000 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-74

4.67 out of 5 stars ( 18 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Spark Plug, E3, Gasket Seat, 14mm Thread, 0.750 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-46

4.48 out of 5 stars ( 27 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.460 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-40

4.76 out of 5 stars ( 34 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Spark Plug, E3, Tapered Seat, 18mm Thread, 0.430 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-72

4.7 out of 5 stars ( 23 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Spark Plug, E3, Gasket Seat, 14mm Thread, 0.750 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-56

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-53

4.58 out of 5 stars ( 24 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-44

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

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