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The NGK coil‑on‑plug boot for Cadillac Catera (1999–2001) is a direct replacement aimed at restoring the connection between ignition coil and spark plug to prevent flashover. Manufactured from premium silicone and supplied with internal springs and ferrite resistors, it suppresses RFI and meets OE tolerances for fit and durability. Replace with spark plugs during service; limited lifetime warranty is included.
NGK Cadillac Catera 2001-1999 Direct Ignition Coil Boot
