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  • Motorcraft Iridium Spark Plug SP538AX (HYFS093YECX)
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Motorcraft Iridium Spark Plug SP538AX (HYFS093YECX)
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Motorcraft Iridium Spark Plug SP538AX (HYFS093YECX)

MOTORCRAFT
ELE2121
In stock
$16.95 $15.99
Description The Motorcraft SP538AX Iridium Spark Plug is a precision-engineered OEM replacement designed specifically for small-displacement...
$15.99
Motorcraft Iridium Spark Plug SP538AX (HYFS093YECX)
Description

Description

The Motorcraft SP538AX Iridium Spark Plug is a precision-engineered OEM replacement designed specifically for small-displacement turbocharged Ford engines, including 1.0L EcoBoost platforms. Featuring a fine-wire iridium center electrode, this plug ensures consistent spark delivery, improved combustion efficiency, and extended service life.

With a pre-set gap of .028, the SP538AX is optimized for high-efficiency, low-emission engines, helping to reduce misfires, improve fuel economy, and maintain peak engine performance over its typical 60,000–100,000 mile service interval.

This spark plug is interchangeable with SP-538A, making it a direct-fit replacement for many Ford applications.

Features

  • Genuine Motorcraft iridium spark plug
  • Part Number: SP538AX / HYFS093YECX
  • Designed for 1.0L / 1.1L turbocharged engines
  • Iridium electrode for long-lasting performance
  • Pre-gapped: .028
  • Improves fuel efficiency and combustion stability
  • Reduces misfires and emissions
  • Built for high-pressure turbocharged environments
  • Meets Ford OEM engineering standards
  • Interchangeable with SP-538A

Technical Specifications

  • Plug Material: Iridium
  • Gap: .028
  • Dimensions: 0.94 L x 0.84 W x 3.69 H in
  • Weight: 0.10 lb

Vehicle Fitment

Ford

  • EcoSport: 2018–2022 – L3 1.0L / 1.0–1.1L Gas
  • Fiesta: 2014–2017 – L3 1.0L / 1.0–1.1L Gas
  • Focus: 2015–2018 – L3 1.0L / 1.0–1.1L Gas
  • Focus RS: 2016–2018 – 1.0L Gas (per provided data)

Notes

  • Optimized for EcoBoost turbocharged engines
  • Always verify engine size before purchase, especially for vehicles with multiple engine options
  • Not intended for 2.0L applications (those typically use SP535X or similar)
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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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