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Ignitions and Electrical› Ignition Components

Ford Motorcraft

Motorcraft Iridium Spark Plug

Name: Motorcraft Iridium Spark Plug
Brand: Ford Motorcraft
SKU: SP-580

$17.49 $16.85 Save $0.64

SKU: SP-580

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Overview

The Motorcraft SP-580 is a spark plug designed for car applications. It features a copper core material and a copper top material type, with a 14mm thread size. This is a vehicle-specific fit part.

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The Motorcraft SP-580 is an original equipment spark plug, engineered by Ford to meet stringent standards for performance and reliability in Ford Motor Company vehicles. The spark plug features a copper core center electrode with an iridium tip and a nickel ground electrode tip, a multi-rib insulator to protect against misfire, and a tapered seat. This Motorcraft spark plug is specifically matched to engines to optimize fuel efficiency, contributing to fuel savings while maintaining peak performance. It is resistant to oxidation and arc erosion, which further contributes to its longevity. The design also helps prevent false check engine lights, ensuring your vehicle runs smoothly and efficiently. The SP-580 is an exact fit for Ford, Lincoln, and Mercury vehicles, providing OE fit and function. Specifications for this spark plug include a copper center electrode core material, standard center electrode design, iridium center electrode tip material, and nickel ground electrode tip material. It has a hex size of 16, an insulator height of 3.5, and a tapered seat type. The SP-580 has been superseded by the SP580X and typically comes pre-gapped at 0.031 inches.

Vehicle Symptoms

Engine misfire at idle or under load
Rough idle after cold start
Decreased fuel economy
Loss of power during acceleration
Check engine light flashing

Diagnostic Codes

P0300 – Random or multiple cylinder misfire
P0301 – Cylinder 1 misfire
P0302 – Cylinder 2 misfire
P0303 – Cylinder 3 misfire
P0304 – Cylinder 4 misfire
P0305 – Cylinder 5 misfire
P0306 – Cylinder 6 misfire

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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

Brand	Ford Motorcraft
Part Number	SP-580
Category	Ignitions and Electrical

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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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