Ignitions and Electrical› Ignition Components

Motorcraft

Spark Plug

$15.80

SKU: SP-509

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The Motorcraft SP-509 is a spark plug designed for Ford vehicles. This component plays a crucial role in starting reliability, combustion efficiency, and overall engine performance.
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The Motorcraft SP-509 spark plug is a genuine OEM ignition component engineered and manufactured to Ford’s exact factory specifications. This spark plug is crucial for maintaining the correct ignition characteristics within Ford engine management systems. Its electrode design promotes efficient spark delivery, leading to complete fuel combustion, smoother engine operation, and reduced misfires. These spark plugs are calibrated specifically for Ford engines, ensuring the correct heat range and gap for peak performance and durability. The SP-509 features an exact-fit design manufactured to precise OEM dimensions, providing direct-fit compatibility with specified Ford engines. This ensures predictable installation, proper torque seating, and consistent ignition performance. Replacing worn or fouled spark plugs with genuine OEM components like the Motorcraft SP-509 helps restore engine responsiveness, improve fuel efficiency, and reduce emissions. This is particularly important in modern engines where ignition timing and combustion efficiency are tightly controlled by the engine management system. Key benefits include genuine Motorcraft OEM engineering to Ford specifications, a precision electrode design for reliable ignition and efficient combustion, the correct heat range for consistent engine performance, and an exact-fit design for easy installation. It supports fuel efficiency, smooth operation, and reduced misfires, manufactured to meet Ford OEM quality and durability standards. The SP-509 is the correct choice for maintaining factory-level ignition performance and engine reliability.

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 NumberSP-509
CategoryIgnitions 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.

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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