Ignitions and Electrical› Ignition Components

Motorcraft

45 Spark Plug

$1.96

SKU: AUTOLITE 45

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The Autolite 45 is a copper core resistor spark plug designed for quick starts and enhanced durability. It features a high nickel alloy center and ground electrode for extended life and a high alumina multi-rib ceramic insulator for superior insulation and strength. The spark plug also has a corrosion-resistant nickel-plated shell for increased durability and a standard-grade type with nickel tip materials.
Show original supplier description
The Autolite 45 Copper Spark Plug is engineered to deliver quick starts, reliable performance, and good fuel economy. Its design incorporates a copper core center electrode that aids in thermal control and resists fouling. The high nickel alloy used for the center and ground electrodes provides extended life, while the multi-rib ceramic insulator enhances thermal conductivity and insulation, offering superior strength even under demanding conditions.

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

BrandMotorcraft
Part NumberAUTOLITE 45
CategoryIgnitions and Electrical
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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