Looking for aftermarket parts to modify or upgrade your Cadillac DeVille with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.

OUT OF STOCK 2763NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK G-Power Spark Plug Box of 4 (GR4GP) 1968-1974 Cadillac DeVille Base $40.63 |
OUT OF STOCK 3142NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK G-Power Spark Plug Box of 4 (GR45GP) 1975-1976 Cadillac DeVille Cabriolet 1975-1981 Cadillac DeVille Base 1978-1979 Cadillac DeVille Phaeton 1978-1981 Cadillac DeVille Cabriolet $40.63 |

IN STOCK - LOW 3403NGK G-Power Series offers the performance and durability of platinum at a competitive price. Fine wire platinum tipped center electrode reduces required voltage for better starts, superior acceleration and increased fuel economy.... NGK GP Platinum Spark Plug Box of 4 (TR55GP) 1982-1985 Cadillac DeVille Base / Cabriolet 1986-1987 Cadillac DeVille Touring 1987-2005 Cadillac DeVille Base 1991-1991 Cadillac DeVille Spring Edition 1991-1993 Cadillac DeVille Touring 1994-1999 Cadillac DeVille Concours 2000-2005 Cadillac DeVille DHS / DTS 2004-2005 Cadillac DeVille Protection Series $40.63 |

IN STOCK 7164The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK IX Iridium Spark Plug Box of 4 (TR55IX) 1982-1985 Cadillac DeVille Base / Cabriolet 1986-1987 Cadillac DeVille Touring 1987-2005 Cadillac DeVille Base 1991-1991 Cadillac DeVille Spring Edition 1991-1993 Cadillac DeVille Touring 1994-1999 Cadillac DeVille Concours 2000-2005 Cadillac DeVille DHS / DTS 2004-2005 Cadillac DeVille Protection Series $54.25 |
OUT OF STOCK 7189The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Iridium IX Spark Plug Box of 4 (XR4IX) 1967-1967 Cadillac DeVille Base $54.25 |
OUT OF STOCK 7355The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Iridium IX Spark Plug Box of 4 (XR5IX) 1953-1956 Cadillac DeVille Base 1958-1966 Cadillac DeVille Base $54.25 |
OUT OF STOCK 97382The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Iridium IX Spark Plug Box of 4 (GR4IX) 1968-1974 Cadillac DeVille Base $54.25 |

OUT OF STOCK 97287NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Laser Iridium Spark Plug Box of 4 (ITR5H13) 1982-1985 Cadillac DeVille Base / Cabriolet 1986-1987 Cadillac DeVille Touring 1987-1990 Cadillac DeVille Base 1994-1999 Cadillac DeVille Concours 1996-2005 Cadillac DeVille Base 2000-2005 Cadillac DeVille DHS / DTS 2004-2005 Cadillac DeVille Protection Series $69.04 |

OUT OF STOCK 7740NGK Laser Platinum Series plugs provide high ignitability and longer service life. Laser welded dual platinum surfaces ensure slow wear rate providing stable idel, superior anti fouling, improved fuel efficiency and lower emissions.... NGK Laser Platinum Spark Plug Box of 4 (PTR5C-13) 1994-1999 Cadillac DeVille Concours 1996-2005 Cadillac DeVille Base 2000-2005 Cadillac DeVille DHS / DTS 2004-2005 Cadillac DeVille Protection Series $59.25 |
OUT OF STOCK 7862NGK Laser Platinum Series plugs provide high ignitability and longer service life. Laser welded dual platinum surfaces ensure slow wear rate providing stable idel, superior anti fouling, improved fuel efficiency and lower emissions.... NGK Laser Platinum Spark Plug Box of 4 (PZTR5A-15) 1982-1985 Cadillac DeVille Base / Cabriolet 1986-1987 Cadillac DeVille Touring 1987-1995 Cadillac DeVille Base 1991-1991 Cadillac DeVille Spring Edition 1991-1993 Cadillac DeVille Touring $59.25 |

OUT OF STOCK 94567NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.... NGK Ruthenium HX Spark Plug Box of 4 (TR5AHX) 2000-2005 Cadillac DeVille Base / DHS / DTS 2004-2005 Cadillac DeVille Protection Series $66.88 |

OUT OF STOCK 3207NGK Laser Iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines.... NGK Single Platinum Spark Plug Box of 4 (UR45GP) 1980-1982 Cadillac DeVille Base / Cabriolet $40.63 |
OUT OF STOCK 7559The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX® the ideal choice for any performance enthusiast. Iridium's high melting point is perfectly suited to today's high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.... NGK Single Iridium Spark Plug Box of 4 (UR45IX) 1980-1982 Cadillac DeVille Base / Cabriolet $54.25 |

IN STOCK 6578NGK standard plugs are constructed for longer life and optimum performance.... NGK Standard Spark Plug Box of 4 (BPR4ES SOLID) 1968-1974 Cadillac DeVille Base $35.04 |

OUT OF STOCK 2635NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (GR4) 1968-1974 Cadillac DeVille Base $36.27 |
OUT OF STOCK 3332NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (XR5) 1953-1956 Cadillac DeVille Base 1958-1966 Cadillac DeVille Base $35.99 |
IN STOCK 3951NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (TR55) 1982-1985 Cadillac DeVille Base / Cabriolet 1986-1987 Cadillac DeVille Touring 1987-2005 Cadillac DeVille Base 1991-1991 Cadillac DeVille Spring Edition 1991-1993 Cadillac DeVille Touring 1994-1999 Cadillac DeVille Concours 2000-2005 Cadillac DeVille DHS / DTS 2004-2005 Cadillac DeVille Protection Series $36.82 |
OUT OF STOCK 4268NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (GR45) 1975-1976 Cadillac DeVille Cabriolet 1975-1981 Cadillac DeVille Base 1978-1979 Cadillac DeVille Phaeton 1978-1981 Cadillac DeVille Cabriolet $35.99 |
OUT OF STOCK 5858NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (XR4) 1967-1967 Cadillac DeVille Base $35.99 |
OUT OF STOCK 6945NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching.... NGK V-Power Spark Plug Box of 4 (UR45) 1980-1982 Cadillac DeVille Base / Cabriolet $35.99 |