Gift CardContactAbout
0 My Cart

Your cart is currently empty.

Continue shopping
Total: $0.00
View cart
Toggle menu
0
  • Home
  • Motorcraft Spark Plug – SP405X (AGSF22FM1X)
-19%
Motorcraft Spark Plug – SP405X (AGSF22FM1X)
Motorcraft Spark Plug – SP405X (AGSF22FM1X)
Load image into Gallery viewer, Motorcraft Spark Plug – SP405X (AGSF22FM1X)
Load image into Gallery viewer, Motorcraft Spark Plug – SP405X (AGSF22FM1X)

Have Questions?

(425) 295-1665 Ask an Experts

  • Trusted by Racers

    Professional-grade parts used trackside.

  • Real Support, Real People

    Expert help during business hours.

  • Secure Shopping

    Encrypted checkout & trusted payments.

  • Fast U.S. Shipping

    Orders ship quickly from regional warehouses.

Motorcraft Spark Plug – SP405X (AGSF22FM1X)

MOTORCRAFT
ELE2081
In stock
$13.71 $10.99
Description The Motorcraft SP405X (AGSF22FM1X) Spark Plug is a premium OEM replacement designed to meet Ford’s...
$10.99
Motorcraft Spark Plug – SP405X (AGSF22FM1X)
Description

Description

The Motorcraft SP405X (AGSF22FM1X) Spark Plug is a premium OEM replacement designed to meet Ford’s strict engineering and durability standards. Built with a finewire platinum electrode, this spark plug delivers consistent ignition performance and long-lasting reliability, helping engines maintain peak efficiency throughout a typical 60,000 to 100,000-mile service interval.

Engineered for versatility, the SP405X is compatible with multiple fuel types, including CNG (compressed natural gas), LPG (propane), and FFV (ethanol) applications. Its precision-matched design helps reduce misfires, improve fuel economy, and support emissions compliance.

This spark plug is a standard service plug and may differ slightly from the original factory-installed component. It is interchangeable with Motorcraft SP-405X, making it a dependable replacement option for a wide range of Ford vehicles.

Features

  • Part number: SP405X (AGSF22FM1X)
  • OEM-quality Motorcraft spark plug
  • Meets Ford engineering standards
  • Typical service life: 60,000–100,000 miles
  • Finewire platinum electrode for durability and performance
  • Supports consistent ignition and engine efficiency
  • Helps reduce misfires
  • Improves fuel economy
  • Helps meet emission standards
  • Compatible with CNG, LPG, and FFV (ethanol) fuel systems
  • Precision-matched for specific engine applications
  • Interchangeable with Motorcraft SP-405X
  • Standard service plug (may differ from OE design)

Technical Specifications

  • Brand: Motorcraft
  • Plug Material: Finewire Platinum
  • Gap: 0.044 in
  • Type: Standard Service Plug
  • Dimensions: 1.00 L x 1.00 W x 3.38 H in
  • Weight: 0.10 lb

Fitment

Compatible with select Ford, Lincoln, and Mercury vehicles, including:

  • Ford Crown Victoria (1996–2005) – 4.6L CNG
  • Ford Crown Victoria (2007–2011) – 4.6L Gas
  • Ford E-150 (2009–2014) – 4.6L Gas
  • Ford E-250 / Econoline (1999–2014) – 4.6L / 5.4L (Gas, CNG, Bi-Fuel)
  • Ford E-350 / E-450 (1997–2014) – 4.6L / 5.4L (Gas, CNG, Bi-Fuel)
  • Ford Expedition (2001–2002) – 5.4L Gas
  • Ford F-150 / F-150 Heritage (1999–2004) – 5.4L (Gas, CNG, Bi-Fuel)
  • Ford Mustang (2007–2012) – 5.4L Gas
  • Lincoln Town Car (2006–2011) – 4.6L Gas
  • Mercury Grand Marquis (2007–2011) – 4.6L Gas
Read More
Read Less

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.

Shipping Methods
Customers select their preferred shipping method and speed at checkout.
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).

Your cart

×