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The NGK coil-on-plug boot for 1992–1994 Audi S4 provides original-equipment fit with premium silicone construction to bridge the ignition coil and spark plug while preventing flashover. It includes the internal spring and ferrite resistor for secure contact and RFI suppression. Tested to meet or exceed OE specifications, these boots deliver durable EMI/RFI protection; see package for limited lifetime warranty details.
NGK Audi S4 1994-1992 Direct Ignition Coil Boot
