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Motorcraft Platinum Spark Plug SP-521
Motorcraft Platinum Spark Plug SP-521
Load image into Gallery viewer, Motorcraft Platinum Spark Plug SP-521
Load image into Gallery viewer, Motorcraft Platinum Spark Plug SP-521

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Motorcraft Platinum Spark Plug SP-521

MOTORCRAFT
ELE2112
In stock
$13.13 $10.99
Description The Motorcraft Platinum Spark Plug SP-521 is an OEM-quality ignition component engineered to meet strict...
$10.99
Motorcraft Platinum Spark Plug SP-521
Description

Description

The Motorcraft Platinum Spark Plug SP-521 is an OEM-quality ignition component engineered to meet strict Ford performance and durability standards. Designed for 5.4L V8 and 6.8L V10 Ford engines, this spark plug delivers reliable ignition performance, helping maintain optimal engine efficiency throughout its service life.

Featuring a platinum center electrode, the SP-521 offers enhanced durability and extended service intervals, typically 60,000 to 100,000 miles. It is built to reduce misfires, improve fuel combustion, and support emissions compliance, making it ideal for both personal and commercial vehicle applications.

Motorcraft spark plugs are precisely matched to specific engine requirements, ensuring proper fitment, long-term reliability, and consistent performance.

Features

  • Genuine Motorcraft platinum spark plug
  • Part Number: SP-521
  • Designed for Ford 5.4L V8 and 6.8L V10 engines
  • Platinum center electrode for extended durability
  • Helps reduce misfires and improve fuel efficiency
  • Supports emissions compliance
  • Meets Ford OEM engineering standards
  • Long service interval: 60,000–100,000 miles
  • Engine-specific design for optimal performance and fit
  • Built with high-quality materials for long-term reliability

Technical Specifications

  • Brand: Motorcraft
  • Center Electrode Core Material: Nickel
  • Center Electrode Tip Material: Platinum
  • Ground Electrode Tip Material: Nickel
  • Hex Size: 0.63 in
  • Insulator Height: 2.03 in
  • Dimensions: 1.00 L x 1.00 W x 3.38 H in
  • Weight: 0.10 lb

Fitment

Ford

  • E-150: 2009–2014 – V8 5.4L
  • E-250: 2009–2014 – V8 5.4L
  • E-350 Super Duty: 2009–2019 – V8 5.4L / V10 6.8L
  • E-450 Super Duty: 2009–2018 – V8 5.4L / V10 6.8L
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All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

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Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

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