Autolite Single Platinum Spark Plug: Up to 60kMile Life Expectancy Fits select: 1975-1987 BUICK REGAL, 1975-1985 PONTIAC FIREBIRD

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Management number 253853137 Release Date 2026/11/07 List Price US$1.80 Model Number 253853137
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<li>Full platinum tip ensures virtually no gap erosion for long plug life</li><li>Yttrium enhanced, high nickel alloy side electrode maintains precise gap to increase plug life</li><li>Necked-down</li>

  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
  • Electrode Tip Material: Platinum
  • Reach: .460 In
  • Resistor: Suppressor
  • Seat Type: Tapered
  • Thread Diameter: 14 mm
  • Tip Configuration: Power
  • Wrench Diameter: 5/8 In


Fits Select:
1978-1987 BUICK REGAL 6 Cyl 3.8 L
1975-1978 PONTIAC FIREBIRD 8 Cyl 6.6 L
1985-1993 CHEVROLET S TRUCK 4 Cyl 2.5 L
1977-1987 OLDSMOBILE CUTLASS SUPREME 6 Cyl 3.8 L
1979-1981 PONTIAC FIREBIRD 8 Cyl 4.9 L
1984 PONTIAC FIERO
1977 FORD LTD 8 Cyl 6.6 L
1982-1990 CHEVROLET CELEBRITY 4 Cyl 2.5 L
1977 FORD THUNDERBIRD 8 Cyl 5.8 L
1978-1979 FORD LTD 8 Cyl 5 L
1978-1979 FORD THUNDERBIRD 8 Cyl 5 L
1985 OLDSMOBILE 98 6 Cyl 3.8 L
1977-1980 PONTIAC BONNEVILLE 8 Cyl 4.9 L
1986-1992 OLDSMOBILE CUTLASS CIERA 4 Cyl 2.5 L
1977-1979 FORD MUSTANG 8 Cyl 5 L
1977-1979 PONTIAC GRAND PRIX 8 Cyl 4.9 L
1980 AMERICAN MOTORS JEEP 4 Cyl 2.5 L
1985-1991 PONTIAC GRAND AM 4 Cyl 2.5 L
1976 BUICK ELECTRA 8 Cyl 7.5 L
1985-1990 GMC S TRUCK 4 Cyl 2.5 L
1985 BUICK ELECTRA 6 Cyl 3.8 L
1991-1993 GMC SONOMA 4 Cyl 2.5 L
1975-1976,1980 BUICK LESABRE 8 Cyl 5.7 L
1980-1983 JEEP JEEP 4 Cyl 2.5 L
1982-1984 BUICK CENTURY 6 Cyl 3 L
and more - add your vehicle to our fit widget to check
Manufacturer part number AP666
Vehicle make Buick, Pontiac, Chevrolet, Oldsmobile, Ford, GMC, AMERICAN MOTORS, Jeep
Vehicle model Regal
Vehicle year 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993
Compatible cars 1993 Chevrolet LLV 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1993 Chevrolet S10 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1993 GMC Sonoma 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1992 Buick Century 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1992 Chevrolet LLV 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1992 Chevrolet Lumina 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1992 Chevrolet S10 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1992 GMC Sonoma 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1992 Oldsmobile Cutlass Ciera 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1992 Oldsmobile Cutlass Cruiser 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1991 Buick Century 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1991 Buick Skylark 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1991 Chevrolet LLV 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1991 Chevrolet Lumina 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1991 Chevrolet S10 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1991 GMC Sonoma 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1991 Oldsmobile Cutlass Calais 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1991 Oldsmobile Cutlass Ciera 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1991 Oldsmobile Cutlass Cruiser 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1991 Pontiac 6000 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1991 Pontiac Grand Am 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1990 Buick Century 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1990 Buick Skylark 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1990 Chevrolet Astro 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1990 Chevrolet Celebrity 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1990 Chevrolet LLV 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1990 Chevrolet Lumina 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1990 Chevrolet S10 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1990 GMC S15 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1990 GMC Safari 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1990 Oldsmobile Cutlass Calais 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1990 Oldsmobile Cutlass Ciera 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1990 Oldsmobile Cutlass Cruiser 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1990 Pontiac 6000 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1990 Pontiac Grand Am 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1989 Buick Century 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1989 Buick Skylark 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1989 Chevrolet Astro 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1989 Chevrolet Celebrity 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1989 Chevrolet LLV 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1989 Chevrolet S10 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1989 GMC S15 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1989 GMC Safari 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1989 Oldsmobile Cutlass Calais 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1989 Oldsmobile Cutlass Ciera 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1989 Oldsmobile Cutlass Cruiser 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1989 Pontiac 6000 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1989 Pontiac Grand Am 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 Buick Century 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1988 Buick Century 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 Buick Skylark 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 Chevrolet Astro 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 Chevrolet Celebrity 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1988 Chevrolet LLV 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 Chevrolet S10 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 Chevrolet S10 Blazer 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 GMC S15 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 GMC S15 Jimmy 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 GMC Safari 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 Oldsmobile Cutlass Calais 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 Oldsmobile Cutlass Ciera 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1988 Oldsmobile Cutlass Cruiser 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 Pontiac 6000 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1988 Pontiac Fiero 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1988 Pontiac Grand Am 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Buick Century 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1987 Buick Regal 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated, 1987 Buick Skylark 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Buick Somerset 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Chevrolet Astro 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Chevrolet Celebrity 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1987 Chevrolet LLV 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Chevrolet Monte Carlo 3.8L 231Cu. In. V6 GAS Naturally Aspirated, 1987 Chevrolet S10 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Chevrolet S10 Blazer 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 GMC S15 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 GMC S15 Jimmy 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 GMC Safari 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Oldsmobile Calais 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Oldsmobile Cutlass Ciera 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Oldsmobile Cutlass Cruiser 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Oldsmobile Cutlass Salon 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated, 1987 Oldsmobile Cutlass Supreme 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated, 1987 Pontiac 6000 2.5L 2474CC 151Cu. In. L4 GAS OHV Naturally Aspirated, 1987 Pontiac Fiero 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Pontiac Grand Am 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1987 Pontiac Grand Prix 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated, 1986 Buick Century 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 Buick Regal 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated, 1986 Buick Skylark 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 Buick Somerset 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 Chevrolet Astro 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 Chevrolet Camaro 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 Chevrolet Celebrity 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 Chevrolet Monte Carlo 3.8L 231Cu. In. V6 GAS Naturally Aspirated, 1986 Chevrolet S10 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 Chevrolet S10 Blazer 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 GMC S15 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 GMC S15 Jimmy 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 GMC Safari 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 Oldsmobile Calais 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated, 1986 Oldsmobile Cutlass Ciera 2.5L 2474CC 151Cu. In. l4 GAS OHV Naturally Aspirated
Material Platinum
Brand Autolite
Model ap666
Automotive parts division Direct Replacement
Vehicle fitment type Specific
Vehicle type Motor Vehicle
Pack quantity 1

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