This is an NGK coil-on-plug boot for the 2006 Ford Fusion — the silicone boot that bridges the ignition coil and spark plug. It's built to OEM tolerances from premium silicone and includes the internal spring and ferrite resistor for a proper connection and RFI noise suppression. NGK recommends replacing COP boots whenever you change spark plugs to prevent misfires from a cracked or hardened boot.
| Type | Coil-on-plug (COP) boot |
| Vehicle | 2006 Ford Fusion |
| Material | Premium silicone |
| Includes | Internal spring & ferrite resistor |
| Part Number | 58973 |
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