Autolite Spark Plug (MPN: 666)
Autolite Spark Plug (MPN: 666)
Autolite Spark Plug (MPN: 666)
Autolite Spark Plug (MPN: 666)
Autolite Spark Plug (MPN: 666)

Autolite Spark Plug (MPN: 666)

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  • $1.89
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High-Quality Ignition Solution for Optimal Engine Performance

The Autolite Spark Plug 666 is engineered to provide reliable ignition and enhanced performance for a variety of vehicles. With over a century of experience in the automotive industry, Autolite delivers products that meet or exceed original equipment specifications, ensuring efficient engine operation and longevity.

Features

  • Copper-Glass Seal bonds the insulator, terminal post, and center electrode for a gas-tight seal, ensuring full voltage at the spark gap.
  • Multi-rib insulator minimizes the risk of "flash-over" for improved reliability.
  • One-piece terminal post enhances strength and durability.
  • Cold-formed steel shell with precision rolled threads for secure installation.
  • Full copper core electrode optimizes performance across various conditions.
  • Designed to provide quick starts, good fuel economy, and smooth acceleration.
  • Resistor technology reduces radio frequency interference (RFI) and minimizes electrode erosion.

Specifications

  • Manufacturer: Autolite Spark Plugs
  • Manufacturer Part Number: 666
  • Resistor: Yes
  • Electrode Type: OEM
  • Electrode Core Material: Copper
  • Electrode Tip Material: Nickel Alloy
  • Insulator Type: Projected
  • Thread Size (IN): 0.551 Inch
  • Quantity: Single
  • Reach: 0.460 Inch
  • Seat Type: Tapered
  • Wrench Diameter: 5/8 Inch

Compatibility/Fit

  • 1980-1982 American Motors Concord
  • 1981-1983 American Motors Eagle
  • 1980-1982 American Motors Spirit
  • 1975-1975 Buick Apollo
  • 1975-1992 Buick Century
  • 1975-1985 Buick Electra
  • 1975-1976 Buick Estate Wagon
  • 1978-1980 Buick Estate Wagon
  • 1975-1985 Buick LeSabre
  • 1975-1987 Buick Regal
  • 1975-1979 Buick Riviera
  • 1981-1984 Buick Riviera
  • 1977-1980 Buick Skyhawk
  • 1975-1991 Buick Skylark
  • 1986-1987 Buick Somerset
  • 1985-1985 Buick Somerset Regal
  • 1980-1982 Cadillac DeVille
  • 1981-1982 Cadillac Eldorado
  • 1980-1982 Cadillac Fleetwood
  • 1981-1982 Cadillac Seville
  • 1985-1990 Chevrolet Astro
  • 1980-1981 Chevrolet Camaro
  • 1984-1986 Chevrolet Camaro
  • 1980-1984 Chevrolet Caprice
  • 1982-1990 Chevrolet Celebrity
  • 1981-1981 Chevrolet Citation
  • 1984-1985 Chevrolet Citation II
  • 1978-1984 Chevrolet El Camino
  • 1980-1984 Chevrolet Impala
  • 1987-1993 Chevrolet LLV
  • 1990-1992 Chevrolet Lumina
  • 1978-1983 Chevrolet Malibu
  • 1978-1984 Chevrolet Monte Carlo
  • 1976-1976 Chevrolet Monza
  • 1978-1980 Chevrolet Monza
  • 1985-1993 Chevrolet S10
  • 1985-1988 Chevrolet S10 Blazer
  • 1977-1977 Ford Custom 500
  • 1978-1979 Ford Fairmont
  • 1977-1979 Ford Granada
  • 1977-1979 Ford LTD
  • 1977-1979 Ford LTD II
  • 1977-1977 Ford Maverick
  • 1979-1979 Ford Mustang
  • 1977-1978 Ford Mustang II
  • 1977-1979 Ford Thunderbird
  • 1978-1984 GMC Caballero
  • 1985-1990 GMC S15
  • 1985-1988 GMC S15 Jimmy
  • 1985-1990 GMC Safari
  • 1991-1993 GMC Sonoma
  • 1980-1983 Jeep CJ5
  • 1980-1983 Jeep CJ7
  • 1980-1983 Jeep DJ5
  • 1981-1983 Jeep Scrambler
  • 1977-1977 Lincoln Continental
  • 1977-1977 Lincoln Mark V
  • 1977-1979 Lincoln Versailles
  • 1979-1979 Mercury Capri
  • 1977-1977 Mercury Comet
  • 1977-1979 Mercury Cougar
  • 1977-1977 Mercury Grand Marquis
  • 1979-1979 Mercury Grand Marquis
  • 1977-1977 Mercury Marquis
  • 1979-1979 Mercury Marquis
  • 1977-1979 Mercury Monarch
  • 1978-1979 Mercury Zephyr
  • 1975-1975 Oldsmobile 98
  • 1981-1983 Oldsmobile 98
  • 1985-1985 Oldsmobile 98
  • 1985-1987 Oldsmobile Calais
  • 1975-1975 Oldsmobile Custom Cruiser
  • 1977-1981 Oldsmobile Cutlass
  • 1978-1984 Oldsmobile Cutlass Calais
  • 1988-1991 Oldsmobile Cutlass Calais
  • 1982-1992 Oldsmobile Cutlass Ciera
  • 1980-1982 Oldsmobile Cutlass Cruiser
  • 1987-1990 Oldsmobile Cutlass Cruiser
  • 1978-1980 Oldsmobile Cutlass Salon
  • 1985-1987 Oldsmobile Cutlass Salon
  • 1977-1987 Oldsmobile Cutlass Supreme
  • 1975-1975 Oldsmobile Delta 88
  • 1977-1985 Oldsmobile Delta 88
  • 1975-1984 Oldsmobile Omega
  • 1977-1980 Oldsmobile Starfire
  • 1981-1984 Oldsmobile Toronado
  • 1984-1991 Pontiac 6000
  • 1975-1975 Pontiac Astre
  • 1977-1977 Pontiac Astre
  • 1975-1986 Pontiac Bonneville
  • 1975-1981 Pontiac Catalina
  • 1984-1988 Pontiac Fiero
  • 1975-1986 Pontiac Firebird
  • 1975-1975 Pontiac Grand Am
  • 1979-1980 Pontiac Grand Am
  • 1985-1991 Pontiac Grand Am
  • 1975-1977 Pontiac Grand LeMans
  • 1979-1981 Pontiac Grand LeMans
  • 1975-1987 Pontiac Grand Prix
  • 1975-1978 Pontiac Grand Safari
  • 1975-1975 Pontiac Grandville
  • 1975-1977 Pontiac LeMans
  • 1979-1981 Pontiac LeMans
  • 1984-1984 Pontiac Parisienne
  • 1977-1984 Pontiac Phoenix
  • 1977-1980 Pontiac Sunbird
  • 1975-1977 Pontiac Ventura

Shipping & Returns

  • This product ships to the US and Canada.
  • This product typically ships within 1 to 3 business days.
  • Returns are accepted within 30 days for items in like-new condition.

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