Motorcraft
Motorcraft SP589 / CYFS12YT6 Spark Plug — Each (Backorder)
Motorcraft SP589 / CYFS12YT6 Spark Plug — Each (Backorder)
Supplier backorder
Backorder — available to purchase
This item is not currently in stock. You can place and pay for a backorder now. The supplier estimates shipment on November 11, 2026. This is a supplier estimate, not a guaranteed customer delivery date; delivery will be later.
Fitment & product details
Genuine Motorcraft spark plug, service number SP589 and manufacturer number CYFS12YT6. Sold individually.
Listed for 2018–2025 Mustang GT 5.0L V8 applications. Confirm the service part number for your exact model year and engine. Not listed for EcoBoost.
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Fitment help, shipping & returns
Ask about this part. Include its part number, your vehicle year, model, engine and trim, and any relevant modifications.
Shipping & returns
Supplier backorder: The supplier shipment estimate shown above takes precedence over normal processing times. Contact us for the latest availability before ordering.
Available shipping methods and charges appear at checkout. Request eligible returns within 14 days of delivery; conditions and exclusions apply. Read Shipping & Returns and the Refund Policy before ordering.
