Ignitions and Electrical› Ignition Components

E3 SPARK PLUGS

E3 spark Plug (Automotive)

$8.49

SKU: E02M E3.48

In Stock
In Stock
Ships by Sep 14
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The E3.48 is a 14mm spark plug with a 0.750" reach and gasket seat. It features a three-legged design that secures the DiamondFIRE electrode to the shell, promoting excellent heat transfer and cylinder turbulence. This design is intended to increase power, reduce fuel consumption, and improve hydrocarbon emissions.
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Part #: E3.48

Spark Plug - Diamond Fire - 14 mm Thread - 0.750 in Reach - Gasket Seat - Resistor - Each

Vehicle Symptoms
  • Engine misfire at idle or under load
  • Rough idle and vibration in steering wheel
  • Decreased fuel economy and sluggish acceleration
  • Check engine light flashing or steady
  • Hard starting and hesitation on throttle tip-in
Diagnostic Codes
  • P0300 – Random/multiple cylinder misfire detected
  • P0301 – Cylinder 1 misfire detected
  • P0302 – Cylinder 2 misfire detected
  • P0303 – Cylinder 3 misfire detected
  • P0304 – Cylinder 4 misfire detected
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandE3 SPARK PLUGS
Part NumberE02M E3.48
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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