Ignitions and Electrical› Ignition Components

STANDARD IGN

FORD THUNDERBIRD MERCURY

$49.90

SKU: S092 26658

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Standard Ignition 26658 spark plug wire set is designed as an OE direct replacement for Ford Cougar and Mercury Thunderbird models. This set ensures consistent electrical conductivity and reliable engine performance by providing a secure connection between the ignition coil and spark plugs.

Using this spark plug wire set helps restore proper spark delivery to prevent engine misfires, replaces worn or damaged ignition wires causing rough idling, and improves starting reliability. It also helps reduce electrical interference affecting ignition timing and maintain fuel efficiency by ensuring complete combustion.

Fitment

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Specifications

BrandSTANDARD IGN
Part NumberS092 26658

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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