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Ignitions and Electrical› Ignition Components

Motorcraft

Standard Spark Plug

$7.53 $1.56 Save $5.97

SKU: SP-425A

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Motorcraft SP-425A is a standard spark plug engineered to meet strict Ford engineering standards. These spark plugs are resistant to oxidation and arc erosion, featuring a multi-rib insulator to protect against misfire. They offer service intervals of up to 100,000 miles and are an exact fit for Ford, Lincoln, and Mercury vehicles.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMotorcraft
Part NumberSP-425A
CategoryIgnitions and Electrical

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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