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  • Motorcraft Platinum Spark Plug SP509X (HJFS24FPX)
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Motorcraft Platinum Spark Plug SP509X (HJFS24FPX)
Motorcraft Platinum Spark Plug SP509X (HJFS24FPX)
Load image into Gallery viewer, Motorcraft Platinum Spark Plug SP509X (HJFS24FPX)
Load image into Gallery viewer, Motorcraft Platinum Spark Plug SP509X (HJFS24FPX)

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Motorcraft Platinum Spark Plug SP509X (HJFS24FPX)

MOTORCRAFT
ELE2109
In stock
$15.05 $13.99
Description The Motorcraft Platinum Spark Plug SP509X (HJFS24FPX) is engineered to meet strict Ford OE standards,...
$13.99
Motorcraft Platinum Spark Plug SP509X (HJFS24FPX)
Description

Description

The Motorcraft Platinum Spark Plug SP509X (HJFS24FPX) is engineered to meet strict Ford OE standards, delivering reliable ignition performance, long service life, and consistent engine efficiency. Designed specifically for Ford applications, this spark plug helps maintain peak engine performance throughout its service interval, typically 60,000 to 100,000 miles.

Featuring a platinum-enhanced design, the SP509X provides improved durability and resistance to wear compared to standard plugs. It is built to reduce misfires, optimize fuel combustion, and support emissions compliance. This plug is commonly used in Ford trucks, SUVs, and commercial vehicles equipped with 4.6L, 5.4L, and 6.8L gasoline engines.

This version includes brown coil boots and is interchangeable with SP-509, making it a dependable OEM replacement option.

Features

  • Genuine Motorcraft Platinum Spark Plug
  • Part Number: SP509X / HJFS24FPX
  • Platinum center electrode for extended service life
  • Designed to meet Ford engineering specifications
  • Helps reduce misfires and improve fuel efficiency
  • Supports proper emissions performance
  • Pre-gapped at .041
  • Includes brown coil boots
  • Interchangeable with SP-509
  • Engine-specific design for optimal fit and function
  • Built for durability in demanding truck and fleet applications

Technical Specifications

  • Brand: Motorcraft
  • Gap: .041
  • Dimensions: 0.94 L x 0.84 W x 3.69 H in
  • Weight: 0.10 lb

Fitment

Ford

  • Expedition: 2008–2015 – V8 5.4L
  • Explorer (4-Door): 2008–2010 – V8 4.6L
  • Explorer Sport Trac: 2008–2010 – V8 4.6L
  • F-150: 2008–2010 – V8 4.6L / 5.4L
  • F-250 Super Duty: 2008–2019 – V8 5.4L / V10 6.8L
  • F-350 Super Duty: 2008–2019 – V8 5.4L / V10 6.8L
  • F-450 Super Duty: 2008–2019 – V10 6.8L
  • F-550 Super Duty: 2008–2019 – V8 5.4L / V10 6.8L
  • F-53 Stripped Chassis: 2007–2009, 2011–2026 – V10 6.8L
  • F-59 Commercial Chassis: 2011–2019 – V10 6.8L (Gas/CNG/LPG)
  • F-650 / F-650 Super Duty: 2004–2015, 2016–2027 – V10 6.8L
  • F-750 Super Duty: 2016–2027 – V10 6.8L
  • Mustang: 2008–2010 – V8 4.6L

Lincoln

  • Mark LT: 2008–2010 – V8 4.6L / 5.4L
  • Navigator: 2008–2014 – V8 5.4L

Mercury

  • Mountaineer: 2008–2010 – V8 4.6L
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Shipping

Order Processing
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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