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Iridium Spark Plugs

Shop Iridium Spark Plugs at TXN Supply Co. New Texas stock. Confirm part number for fitment. Free shipping on every US order.

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8 NGK Iridium IX Spark Plugs 2001-2003 for Chevrolet Silverado 2500 HD V8 8.1L $117.77
8 Pack NGK Iridium IX 7164 Spark Plugs TR55IX $117.77
8 Pack NGK Iridium IX Spark Plugs 1990-1993 for Cadillac Seville V8 4.5L $117.77
8 Pack NGK Iridium IX Spark Plugs 1991-2011 for Lincoln Town Car V8 4.6L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993 for Cadillac 60 Special V8 4.9L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993 for Cadillac Allante V8 4.6L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993 for Cadillac Commercial V8 4.9L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993 for Cadillac Eldorado V8 4.9L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993 for Cadillac Seville V8 4.9L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993 for Chevrolet C2500 V8 5.7L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993 for Ford Mustang V8 5.0L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993-1995 for Cadillac DeVille V8 4.9L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993-1996 for Chevrolet Camaro V8 5.7L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993-1996 for Chevrolet Corvette V8 5.7L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993-1997 for Pontiac Firebird V8 5.7L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993-1998 for Lincoln Mark VIII V8 4.6L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993-2002 for Cadillac Eldorado V8 4.6L $117.77
8 Pack NGK Iridium IX Spark Plugs 1993-2011 for Ford Crown Victoria V8 4.6L $117.77
8 Pack NGK Iridium IX Spark Plugs 1994-1996 for Mercury Cougar V8 4.6L $117.77
8 Pack NGK Iridium IX Spark Plugs 1994-2011 for Mercury Grand Marquis V8 4.6L $117.77
8 Pack NGK Iridium IX Spark Plugs 1995 for Buick Roadmaster V8 5.7L $117.77
8 Pack NGK Iridium IX Spark Plugs 1995 for Cadillac Commercial V8 5.7L $117.77
8 Pack NGK Iridium IX Spark Plugs 1995 for Cadillac Fleetwood V8 5.7L $117.77
8 Pack NGK Iridium IX Spark Plugs 1995 for Chevrolet G30 V8 5.7L $117.77

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19,000+ auto parts in stock — shipped fast from Texas.

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TXN Supply Co is a Texas-founded online auto parts store built for drivers, DIYers, and fleet operators who need the right part without the runaround. Our catalog includes 19,000+ automotive parts in stock — from spark plugs and iridium plugs to oil filters, air filters, oxygen sensors, ignition components, and specialty chemicals.

We carry trusted brands including NGK, Champion, ACDelco, Motorcraft, Autolite, Permatex, Lucas Oil, and ATP — OEM-quality parts shipped fast across the U.S. with free shipping on every order. Real Texans behind every order, ready to help with fitment and product questions.

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