High-Performance Platinum Spark Plug for Optimal Ignition
The Autolite Spark Plug AP666 is engineered to deliver superior ignition performance and reliability. Designed as an OE replacement, this spark plug features a platinum firing tip that enhances durability and efficiency, making it suitable for a wide range of vehicles, including Japanese, European, and Korean models, as well as lawn and garden equipment.
Features
- Center wire platinum firing tip for improved ignition
- Reduced gap erosion for longer lifespan
- Minimized misfires for enhanced engine performance
- High durability and better overall performance
- High nickel alloy side electrode ensures precise gap maintenance
- Necked-down center electrode allows for quicker, cleaner firing with less voltage
- OE approved for quality assurance
- Proprietary platinum ball welding process for consistent contact and adhesion
Specifications
- Manufacturer: Autolite Spark Plugs
- Manufacturer Part Number: AP666
- Resistor: No
- Electrode Type: OEM
- Electrode Core Material: Copper
- Electrode Tip Material: Platinum
- 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.