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E3.66 E3 Premium Automotive Spark Plugs - 6 SPARK PLUGS 5 year or 100,000 Miles

Description: E3.66 E3 Premium Automotive Spark Plugs - 6 SPARK PLUGS 5 year or 100,000 Miles E3.66 E3 Premium Automotive Spark Plugs - 6 SPARK PLUGS 5 year or 100,000 Miles Warranty   E3.66 is a 14mm, 1.000†reach plug with a tapered seat. It fits a wide variety of late model applications, especially Hemi applications. E3.66 is widely stocked in automotive retail stores. E3 automotive plugs have three legs securing the DiamondFIRE electrode to the shell. This allows for excellent heat transfer and helps to create more turbulence in the cylinder. The patented DiamondFIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The unique ground electrode and a full-size center electrode also provides optimal performance for a guaranteed five years or 100,000 miles.  Part Number: E3.66 Resistor: Resistor Hex Size: 5/8" Thread Reach: 1.000" Thread Diameter: 14mm Seat: Taper Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted   Reviewed by mikemid0229 03/21/2018 - 03:35:06 PM My 05 Jeep Grand Cherokee 5.7 lives e3 Put 16 e3's in my hemi jeep and could instantly tell a difference.. smooth idle, increased gas mileage, quicker acceleration.. big fan of e3 plugs and will continue to purchase them for all my engines, big and small! 5/5  Reviewed by Grumpy 09/05/2017 - 04:33:51 PM Trenton Ryan Thank you for a great spark plug. 83100 miles over 8.5 years. I started to get a miss. I put my second set of E3 plugs in with new wires in my 08 Jeep Wrangler 3.8L with 92855 miles, it idles smooth I'm hoping to improve my mileage to what it was years ago. I have put E3's in almost everything I own.  The only thing I can say about E3 spark Plugs THEY WORK just as advertised E3.66 E3 Premium Automotive Spark Plugs - 6 SPARK PLUGS 5 year or 100,000 Miles E3.66 E3 Premium Automotive Spark Plugs - 6 SPARK PLUGS 5 year or 100,000 Miles Warranty     E3.66 is a 14mm, 1.000†reach plug with a tapered seat. It fits a wide variety of late model applications, especially Hemi applications. E3.66 is widely stocked in automotive retail stores. E3 automotive plugs have three legs securing the DiamondFIRE electrode to the shell. This allows for excellent heat transfer and helps to create more turbulence in the cylinder. The patented DiamondFIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The unique ground electrode and a full-size center electrode also provides optimal performance for a guaranteed five years or 100,000 miles.   Part Number: E3.66 Resistor: Resistor Hex Size: 5/8" Thread Reach: 1.000" Thread Diameter: 14mm Seat: Taper Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted     Reviewed by mikemid0229 03/21/2018 - 03:35:06 PM My 05 Jeep Grand Cherokee 5.7 lives e3 Put 16 e3's in my hemi jeep and could instantly tell a difference.. smooth idle, increased gas mileage, quicker acceleration.. big fan of e3 plugs and will continue to purchase them for all my engines, big and small! 5/5   Reviewed by Grumpy 09/05/2017 - 04:33:51 PM Trenton Ryan Thank you for a great spark plug. 83100 miles over 8.5 years. I started to get a miss. I put my second set of E3 plugs in with new wires in my 08 Jeep Wrangler 3.8L with 92855 miles, it idles smooth I'm hoping to improve my mileage to what it was years ago. I have put E3's in almost everything I own.    The only thing I can say about E3 spark Plugs THEY WORK just as advertised × Buy now and save! Shipping info Click the Shipping & Payments tab above the listing description for more info Click the Shipping & Payments tab above the listing description for more info! Additional delivery notes PICK UP OPTION Sorry, our items are NOT available for pick-up. PAYMENT Immediate payment is required upon selecting "Buy It Now" or upon checking out through the cart. We accept payment via U.S. PayPal accounts and all Major Credit Cards, Debit Cards & Google Pay. We are legally required to collect sales tax in those states and localities where we maintain a physical presence (nexus). The applicable amount of sales tax charged to an order will be calculated based on the shipment destination's state and local sales tax laws. Thank you for shopping with us on eBay! Additional Information No additional information at this time Ask seller a question You might also like 8 Plugs of Champion Copper Plus Spark Plugs J19LM/861 8 Plugs of Champion Copper Plus Spark Plugs J8C/841 4 Plugs of Champion Copper Plus Spark Plugs L87YC/312 4 Plugs of Champion Copper Plus Spark Plugs L92YC/806 Contact To contact our Customer Service Team, simply click the button here and our Customer Service team will be happy to assist. Ask seller a question © NE Cycle Shop Shipping & Payments Click the Shipping & Payments tab above the listing description for more info Payment Accepted Payment Methods Immediate payment is required upon selecting "Buy It Now" or upon checking out through the cart. We accept payment via U.S. PayPal accounts and all Major Credit Cards, Debit Cards & Google Pay. We are legally required to collect sales tax in those states and localities where we maintain a physical presence (nexus). The applicable amount of sales tax charged to an order will be calculated based on the shipment destination's state and local sales tax laws. Thank you for shopping with us on eBay! Returns Returns are accepted Items must be returned within 30 days of the auction ending Seller will pay for return shipping. eBay integration by

Price: 37.99 USD

Location: Windsor, Connecticut

End Time: 2025-01-21T01:06:47.000Z

Shipping Cost: 0 USD

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E3.66 E3 Premium Automotive Spark Plugs - 6 SPARK PLUGS 5 year or 100,000 Miles

Item Specifics

Return shipping will be paid by: Seller

Returns Accepted: Returns Accepted

Item must be returned within: 30 Days

Refund will be given as: Money Back

Return policy details:

Brand: E3 SPRK PLUG

Type: Spark Plug

Material: Special

Country/Region of Manufacture: United States

Manufacturer Part Number: E3.66

OE/OEM Part Number: 3.66

Fuel Type: Gasoline

Item Length: N/A

Manufacturer Warranty: 5 Years

Fitment Type: Direct Replacement

Warranty: 5 Years or 100,000 Miles

Other Part Number: E3.66

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