E3 Spark Plugs E3.66 Diamond Fire Spark Plug
- Regular price
- $8.49 USD
- Regular price
-
$8.49 USD - Sale price
- $8.49 USD
- Unit price
- per
Vendor : E3 SPARK PLUGS
Product Type : Ignitions and Electrical
Sku : E3PE3.66
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✔ Veteran-Owned Business | ✔ Verified Fitment (SEMA Data) | ✔ Ships 1–3 Business Days | ✔ 30-Day Returns
The E3 Spark Plugs E3.66 Diamond Fire Spark Plug is an automotive replacement spark plug designed with a 14 mm thread and a 1-inch reach. Its tapered seat design provides the specified seating configuration for applications that require this spark plug style.
This spark plug features a resistor and E3’s Diamond Fire design. The resistor construction is included as part of the plug’s specified configuration, while the Diamond Fire designation identifies the product line and design used by E3 Spark Plugs.
The E3.66 is sold individually, making it suitable for replacing a single spark plug when the required specifications match. Confirm the vehicle and engine application before installation to ensure the 14 mm thread, 1-inch reach, tapered seat and resistor configuration are appropriate.
Features:
- Brand: E3 Spark Plugs
- Part Number: E3.66
- Plug Type: Diamond Fire automotive spark plug
- Thread Size: 14 mm
- Reach: 1 inch
- Seat Design: Tapered seat
- Construction: Resistor

