- Use the correct deep socket size to loosen each spark plug one or two turns. NOTE: To remove spark plugs from aluminum heads, allow the engine to cool. The heat of the engine, in combination with a spark plug that is still hot, may cause the spark plug threads to strip the cylinder head upon removal.
- Grasp the spark plug boot and gently rotate it 90 degrees counterclockwise. Pull the spark plug boot and cable away from the spark plug. If necessary, use a spark plug boot removing tool. DO NOT grab or violently pull spark plug cables
- Apply dielectric grease into the boot area to reduce the chance of exterior tracking on the buttress tower of the spark plug. This grease also promotes a good heat transfer between the spark terminal screw and boot terminal
- When it comes to replacing your spark plugs, ACDelco offers a full line of Professional, premium aftermarket Spark Plug products. Choose from our Iridium, Double Platinum, RAPIDFIRE Single Platinum, Conventional, Marine, and Outdoor Power Equipment lines depending on your performance needs. Diesel vehicle owners can also get the ACDelco advantage with our high-quality Glow Plugs. ACDelco Professional, premium aftermarket spark and glow plugs fit both GM and non-GM vehicles
- ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are the high quality replacement ideal for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function
- Brush or air blast dirt away from the well areas before removing spark plugs. CAUTION: Use goggles to protect eyes from debris when applying compressed air to spark plug wells
- Remove each spark plug and place each one in a tray by cylinder number. This will help identify and relate any unusual condition to the cylinder involved
ACDelco R44XLS Professional Conventional Spark Plug
- Black Onyx coating helps reduce corrosion
- Copper core provides great heat transfer and helps maximize plug durability
- Ribbed suppressor seal extends resistance and helps prevent spark flash over and misfires
- Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
- Available for use in Marine applications
$3.95
58 in stock58 in stock
| Make | Model | Year |
|---|---|---|
| Aston | Martin DBS | 1969 - 1971 |
| Aston | Martin Lagonda | 1977 - 1978 |
| Aston | Martin V-8 | 1976 - 1978 |
| Austin | Healey 3000 | 1959 - 1967 |
| Austin | Princess | 1963 - 1966 |
| Austin | Westminster | 1955 - 1961 |
| Bentley | Continental | 1959 - 1965 |
| Bentley | Corniche | 1971 - 1980 |
| Bentley | Corniche | 1982 - 1983 |
| Bentley | Eight | 1984 - 1986 |
| Bentley | Mulsanne | 1981 - 1983 |
| Bentley | Mulsanne | 1987 |
| Bentley | S2 Series | 1959 - 1961 |
| Bentley | S3 Series | 1962 - 1965 |
| Bentley | T1 Series | 1966 - 1976 |
| Bentley | T2 Series | 1977 - 1980 |
| Bentley | Turbo R | 1988 |
| BMW | 2002 | 1975 - 1976 |
| BMW | 3.0Si | 1975 - 1976 |
| BMW | 530i | 1975 - 1976 |
| Buick | Opel | 1976 - 1979 |
| Buick | Skyhawk | 1982 - 1986 |
| Chevrolet | Bel Air | 1958 - 1961 |
| Chevrolet | Biscayne | 1958 - 1961 |
| Chevrolet | Blazer | 1969 |
| Chevrolet | Brookwood | 1958 - 1961 |
| Chevrolet | C10 Panel | 1966 - 1967 |
| Chevrolet | C10 Pickup | 1966 - 1969 |
| Chevrolet | C10 Suburban | |
| Chevrolet | C20 Panel | 1967 |
| Chevrolet | C20 Pickup | 1966 - 1969 |
| Chevrolet | C20 Suburban | 1967 - 1969 |
| Chevrolet | C30 Panel | 1966 |
| Chevrolet | C30 Pickup | 1966 - 1969 |
| Chevrolet | Del Ray | 1958 |
| Chevrolet | El Camino | 1967 - 1969 |
| Chevrolet | G10 Van | 1964 - 1969 |
| Chevrolet | G20 Van | 1967 - 1969 |
| Chevrolet | Impala | 1958 - 1961 |
| Chevrolet | K10 Pickup | 1966 - 1969 |
| Chevrolet | K10 Suburban | 1967 - 1969 |
| Chevrolet | K20 Panel | |
| Chevrolet | K20 Pickup | 1966 - 1969 |
| Chevrolet | K20 Suburban | 1967 - 1969 |
| Chevrolet | K30 Pickup | 1968 - 1969 |
| Chevrolet | Kingswood | 1959 - 1961 |
| Chevrolet | LUV | 1975 - 1980 |
| Chevrolet | Luv Pickup | 1972 - 1974 |
| Chevrolet | Nomad | 1958 - 1961 |
| Chevrolet | P10 Series | 1963 - 1967 |
| Chevrolet | P10 Van | 1968 - 1969 |
| Chevrolet | P20 Series | 1966 - 1967 |
| Chevrolet | P30 Series | 1966 - 1967 |
| Chevrolet | Parkwood | 1959 - 1961 |
| Chevrolet | Suburban | 1966 |
| Chevrolet | Yeoman | 1958 |
| Chrysler | 300 | 1956 - 1958 |
| Chrysler | Concorde | 1994 |
| Chrysler | Cordoba | 1975 - 1983 |
| Chrysler | Daytona | 1984 - 1993 |
| Chrysler | Dynasty | 1988 - 1993 |
| Chrysler | E Class | 1983 - 1984 |
| Chrysler | Executive Limousine | 1985 - 1986 |
| Chrysler | Executive Sedan | 1983 - 1984 |
| Chrysler | Fifth Avenue | 1983 - 1989 |
| Chrysler | Imperial | 1956 - 1958 |
| Chrysler | Imperial | 1981 - 1983 |
| Chrysler | Intrepid | 1994 - 1996 |
| Chrysler | Laser | 1984 - 1986 |
| Chrysler | LeBaron | 1977 - 1994 |
| Chrysler | New Yorker | 1956 - 1958 |
| Chrysler | New Yorker | 1977 - 1988 |
| Chrysler | Newport | 1956 - 1958 |
| Chrysler | Newport | 1974 - 1981 |
| Chrysler | Saratoga | 1957 - 1958 |
| Chrysler | St Regis | 1956 - 1989 |
| Chrysler | TC Maserati | 1989 |
| Chrysler | Town & Country | 1956 - 1958 |
| Chrysler | Town & Country | 1978 - 1988 |
| Chrysler | Windsor | 1957 - 1958 |
| Dodge | 400 | 1982 - 1983 |
| Dodge | 600 | 1983 - 1988 |
| Dodge | A100 | 1964 - 1966 |
| Dodge | A100 | 1970 |
| Dodge | A100 Truck | 1964 - 1970 |
| Dodge | A108 Van | 1967 - 1970 |
| Dodge | Aries | 1981 - 1989 |
| Dodge | Aspen | 1976 - 1980 |
| Dodge | B100 | 1975 - 1980 |
| Dodge | B100 Van | 1971 - 1974 |
| Dodge | B150 | 1981 - 1991 |
| Dodge | B200 | 1975 - 1980 |
| Dodge | B200 Van | 1971 - 1974 |
| Dodge | B250 | 1981 - 1992 |
| Dodge | B300 | 1975 - 1980 |
| Dodge | B300 Van | 1971 - 1974 |
| Dodge | B350 | 1981 - 1992 |
| Dodge | Caravan | 1984 - 1995 |
| Dodge | CB300 | 1973 - 1980 |
| Dodge | Challenger | 1970 - 1983 |
| Dodge | Charger | 1967 - 1978 |
| Dodge | Charger | 1983 - 1987 |
| Dodge | Colt | 1978 - 1980 |
| Dodge | Coronet | 1957 - 1958 |
| Dodge | Coronet | 1967 - 1976 |
| Dodge | Custom | 1957 - 1958 |
| Dodge | D100 | 1975 - 1979 |
| Dodge | D100 | 1985 - 1989 |
| Dodge | D100 Pickup | 1968 - 1974 |
| Dodge | D100 Series | 1960 - 1967 |
| Dodge | D150 | 1977 - 1991 |
| Dodge | D200 | 1975 - 1980 |
| Dodge | D200 Pickup | 1968 - 1974 |
| Dodge | D200 Series | 1960 - 1967 |
| Dodge | D250 | 1981 - 1992 |
| Dodge | D300 | 1975 - 1980 |
| Dodge | D300 Pickup | 1968 - 1974 |
| Dodge | D300 Series | 1960 - 1967 |
| Dodge | D350 | 1981 - 1992 |
| Dodge | D400 | 1978 - 1981 |
| Dodge | D450 | 1978 - 1981 |
| Dodge | D50 | 1979 - 1982 |
| Dodge | Dakota | 1987 - 1995 |
| Dodge | Dart | 1967 - 1976 |
| Dodge | Daytona | 1984 - 1993 |
| Dodge | Diplomat | 1977 - 1989 |
| Dodge | Dynasty | 1988 - 1993 |
| Dodge | Grand Caravan | 1987 - 1989 |
| Dodge | Intrepid | 1994 - 1995 |
| Dodge | Lancer | 1957 - 1958 |
| Dodge | Lancer | 1986 - 1989 |
| Dodge | M300 | 1968 - 1974 |
| Dodge | M350 | 1974 |
| Dodge | Magnum | 1978 - 1979 |
| Dodge | MB300 | 1970 - 1974 |
| Dodge | Mini Ram | 1984 - 1988 |
| Dodge | Mirada | 1980 - 1983 |
| Dodge | Monaco | 1974 - 1978 |
| Dodge | Omni | 1978 - 1990 |
| Dodge | P100 | 1965 - 1966 |
| Dodge | P100 | 1968 |
| Dodge | P100 Van | 1961 |
| Dodge | P100 Van | 1967 |
| Dodge | P200 | 1965 - 1972 |
| Dodge | P200 Van | 1961 |
| Dodge | P200 Van | 1973 - 1974 |
| Dodge | P300 | 1965 - 1972 |
| Dodge | P300 Van | 1961 |
| Dodge | P300 Van | 1973 - 1974 |
| Dodge | Power Ram 50 | 1983 - 1986 |
| Dodge | R300 | 1972 - 1974 |
| Dodge | Raider | 1987 |
| Dodge | Ram 50 | 1983 - 1987 |
| Dodge | Ramcharger | 1974 - 1992 |
| Dodge | Rampage | 1982 - 1984 |
| Dodge | RD200 | 1978 - 1980 |
| Dodge | RM300 | 1971 |
| Dodge | RM300 | 1973 - 1974 |
| Dodge | RM350 | 1971 |
| Dodge | RM350 | 1974 |
| Dodge | Royal | 1957 - 1958 |
| Dodge | Royal Monaco | 1975 - 1977 |
| Dodge | Shadow | 1987 - 1994 |
| Dodge | Sierra | 1957 - 1959 |
| Dodge | Spirit | 1989 - 1995 |
| Dodge | St. Regis | 1979 - 1981 |
| Dodge | Suburban | 1957 - 1958 |
| Dodge | Truck | 1955 - 1960 |
| Dodge | W100 | 1975 - 1989 |
| Dodge | W100 Pickup | 1968 - 1974 |
| Dodge | W100 Series | 1960 - 1967 |
| Dodge | W150 | 1977 - 1991 |
| Dodge | W200 | 1975 - 1980 |
| Dodge | W200 Pickup | 1968 - 1974 |
| Dodge | W200 Series | 1960 - 1967 |
| Dodge | W250 | 1981 - 1992 |
| Dodge | W300 | 1975 - 1980 |
| Dodge | W300 Pickup | 1968 - 1974 |
| Dodge | W300 Series | 1960 - 1967 |
| Dodge | W350 | 1981 - 1992 |
| Dodge | Wm300 Power Wagon | 1960 - 1962 |
| Ford | Consul | 1951 - 1964 |
| Ford | Mustang II | 1974 - 1976 |
| Ford | Pinto | 1975 - 1976 |
| Ford | Zephyr | 1952 - 1963 |
| Ford | Zodiac | 1955 - 1964 |
| GMC | 1000 | 1966 |
| GMC | 1000 Series | 1960 - 1965 |
| GMC | 1500 | 1966 |
| GMC | 1500 Series | 1960 - 1965 |
| GMC | 2500 | 1966 |
| GMC | 2500 Series | 1960 - 1965 |
| GMC | 3000 | 1960 - 1966 |
| GMC | 3500 | 1960 - 1966 |
| GMC | B3500 | 1964 - 1965 |
| GMC | C15/C1500 Pickup | 1967 - 1969 |
| GMC | C15/C1500 Suburban | 1968 - 1969 |
| GMC | C25/C2500 Pickup | 1967 - 1969 |
| GMC | C25/C2500 Suburban | 1968 - 1969 |
| GMC | C35/C3500 Pickup | 1967 - 1969 |
| GMC | G1000 Series | 1963 - 1966 |
| GMC | G15/G1500 Van | 1967 - 1969 |
| GMC | G25/G2500 Van | 1967 - 1969 |
| GMC | I1000 | 1966 |
| GMC | I1500 | 1966 |
| GMC | I2500 | 1966 |
| GMC | I3500 | 1966 |
| GMC | K1000 | 1966 |
| GMC | K1000 Pickup | 1966 |
| GMC | K15/K1500 Pickup | 1966 - 1969 |
| GMC | K15/K1500 Suburban | 1967 - 1969 |
| GMC | K25/K2500 Pickup | 1967 - 1969 |
| GMC | K25/K2500 Suburban | 1968 - 1969 |
| GMC | K35/K3500 Pickup | 1968 - 1969 |
| GMC | L3500 | 1965 - 1967 |
| GMC | LI3500 | 1966 - 1967 |
| GMC | P1000 | 1966 |
| GMC | P15/P1500 Van | 1967 - 1969 |
| GMC | P25/P2500 Van | 1967 |
| GMC | P35/P3500 Van | 1967 |
| GMC | PB1000 Series | 1963 - 1966 |
| GMC | PB15 Series | 1966 |
| GMC | PB1500 Series | 1965 |
| GMC | PB25 Series | 1966 |
| GMC | PB2500 Series | 1965 |
| GMC | PB2500 Van | 1966 |
| GMC | PB3500 Van | 1966 |
| GMC | Suburban | 1960 - 1966 |
| GMC | Truck | 1960 |
| GMC | V3000 Forward Control | 1960 - 1962 |
| Healey | Healey | 1950 - 1954 |
| Honda | Civic | 1976 - 1979 |
| International | 100 | 1974 |
| International | 1010 | 1972 - 1973 |
| International | 1110 | 1972 - 1973 |
| International | 1210 | 1972 - 1973 |
| International | 1310 | 1972 - 1973 |
| International | 200 | 1974 |
| International | M1100 | 1972 |
| International | M1200 | 1972 |
| International | M800 Post Office | 1972 |
| International | MHC1310 | 1974 |
| International | MS1210 | 1972 - 1974 |
| International | Scout II | 1972 - 1974 |
| Jaguar | 3.4 | 1960 - 1968 |
| Jaguar | 3.8 | 1960 - 1969 |
| Jaguar | 340 | 1967 - 1970 |
| Jaguar | 420 | 1967 - 1968 |
| Jaguar | Mark IX | 1960 - 1961 |
| Jaguar | Mark X | 1962 - 1966 |
| Jaguar | Vanden Plas | 1982 - 1987 |
| Jaguar | XJ | 1969 - 1971 |
| Jaguar | XJ6 | 1972 - 1987 |
| Jaguar | XK120 | 1950 |
| Jaguar | XK150 | 1960 - 1961 |
| Jaguar | XKE | 1961 - 1971 |
| Jeep | Cherokee | 1974 - 1983 |
| Jeep | CJ5 | 1971 - 1981 |
| Jeep | CJ6 | 1971 - 1975 |
| Jeep | CJ7 | 1976 - 1981 |
| Jeep | Commando | 1972 - 1973 |
| Jeep | DJ5 | 1972 - 1977 |
| Jeep | Gladiator | 1967 - 1969 |
| Jeep | Grand Wagoneer | 1984 - 1991 |
| Jeep | J-100 | 1965 - 1973 |
| Jeep | J-200 | 1964 |
| Jeep | J-210 | 1964 |
| Jeep | J-220 | 1964 |
| Jeep | J-230 | 1964 |
| Jeep | J-2500 | 1965 - 1973 |
| Jeep | J-2600 | 1965 - 1973 |
| Jeep | J-2700 | 1965 - 1970 |
| Jeep | J-2800 | 1965 - 1968 |
| Jeep | J-300 | 1964 |
| Jeep | J-310 | 1964 |
| Jeep | J-320 | 1964 |
| Jeep | J-330 | 1964 |
| Jeep | J-3500 | 1966 - 1970 |
| Jeep | J-3600 | 1966 - 1970 |
| Jeep | J-3700 | 1966 - 1970 |
| Jeep | J-3800 | 1966 - 1971 |
| Jeep | J-4500 | 1970 - 1973 |
| Jeep | J-4600 | 1970 - 1973 |
| Jeep | J-4700 | 1970 - 1973 |
| Jeep | J-4800 | 1970 - 1973 |
| Jeep | J10 | 1974 - 1988 |
| Jeep | J20 | 1974 - 1988 |
| Jeep | Jeepster | 1971 |
| Jeep | Wagoneer | 1966 - 1983 |
| Jensen | 541 | 1954 - 1958 |
| Jensen | 541R | 1958 - 1960 |
| Land Rover | Range Rover | 1987 - 1988 |
| Mercedes-Benz | 190SL | 1955 - 1962 |
| Mercedes-Benz | 560SL | 1986 |
| Mercury | Bobcat | 1975 - 1976 |
| Mercury | Capri | 1974 - 1976 |
| MG | Magnette | 1959 - 1968 |
| MG | Midget | 1975 - 1979 |
| Morris | Minor | 1950 - 1956 |
| Morris | Minor MM | 1950 |
| Morris | Oxford | 1950 - 1954 |
| Morris | Oxford MO | 1950 |
| Oldsmobile | Firenza | 1982 - 1986 |
| Packard | Caribbean | 1955 - 1956 |
| Packard | Clipper | 1955 - 1956 |
| Packard | Executive | 1956 |
| Packard | Four-Hundred | 1955 - 1956 |
| Packard | Patrician | 1955 - 1956 |
| Plymouth | Acclaim | 1989 - 1995 |
| Plymouth | Arrow | 1979 - 1980 |
| Plymouth | Arrow Pickup | 1979 - 1982 |
| Plymouth | Barracuda | 1968 - 1974 |
| Plymouth | Belvedere | 1967 - 1971 |
| Plymouth | Belvedere II | 1967 |
| Plymouth | Caravelle | 1978 - 1989 |
| Plymouth | Colt | 1978 - 1980 |
| Plymouth | Cuda | 1970 - 1974 |
| Plymouth | Duster | 1970 - 1976 |
| Plymouth | Expo | 1987 - 1989 |
| Plymouth | Fury | 1971 - 1978 |
| Plymouth | Fury I | 1971 |
| Plymouth | Fury I | 1974 |
| Plymouth | Fury II | 1971 |
| Plymouth | Fury II | 1974 |
| Plymouth | Fury III | 1971 |
| Plymouth | Fury III | 1974 |
| Plymouth | Gran Fury | 1974 - 1989 |
| Plymouth | Grand Voyager | 1987 - 1988 |
| Plymouth | GTX | 1969 - 1971 |
| Plymouth | Horizon | 1978 - 1990 |
| Plymouth | PB100 | 1975 - 1980 |
| Plymouth | PB100 Van | 1974 |
| Plymouth | PB150 | 1981 |
| Plymouth | PB150 | 1983 |
| Plymouth | PB200 | 1975 - 1980 |
| Plymouth | PB200 Van | 1974 |
| Plymouth | PB250 | 1981 - 1983 |
| Plymouth | PB300 | 1975 - 1980 |
| Plymouth | PB300 Van | 1974 |
| Plymouth | PB350 | 1981 - 1983 |
| Plymouth | Reliant | 1981 - 1989 |
| Plymouth | Road Runner | 1968 - 1975 |
| Plymouth | Sapporo | 1978 - 1983 |
| Plymouth | Satellite | 1967 - 1974 |
| Plymouth | Scamp | 1975 - 1976 |
| Plymouth | Scamp | 1983 |
| Plymouth | Sundance | 1987 - 1994 |
| Plymouth | Superbird | 1970 |
| Plymouth | TC3 | 1980 - 1982 |
| Plymouth | Trailduster | 1974 - 1981 |
| Plymouth | Turismo | 1983 - 1987 |
| Plymouth | Turismo 2.2 | 1983 - 1986 |
| Plymouth | Valiant | 1968 - 1976 |
| Plymouth | Volare | 1976 - 1980 |
| Plymouth | Voyager | 1984 - 1995 |
| Pontiac | Acadian | 1968 - 1969 |
| Pontiac | Firebird | 1967 - 1969 |
| Pontiac | J2000 | 1982 - 1983 |
| Pontiac | J2000 Sunbird | 1984 - 1985 |
| Pontiac | Laurentian | 1958 - 1961 |
| Pontiac | Laurentian | 1968 - 1969 |
| Pontiac | LeMans | 1967 - 1969 |
| Pontiac | Parisienne | 1959 - 1961 |
| Pontiac | Parisienne | 1968 - 1969 |
| Pontiac | Strato-Chief | 1958 - 1961 |
| Pontiac | Sunbird | 1986 |
| Pontiac | Sunbird | 1989 |
| Pontiac | Tempest | 1967 - 1969 |
| Renault | Alliance | 1983 - 1987 |
| Renault | Encore | 1984 - 1986 |
| Renault | LeCar | 1980 - 1984 |
| Rolls-Royce | Camargue | 1975 - 1976 |
| Rolls-Royce | Corniche | 1971 - 1976 |
| Rolls-Royce | Phantom | 1959 - 1970 |
| Rolls-Royce | Silver Cloud | 1959 - 1965 |
| Rolls-Royce | Silver Shadow | 1966 - 1976 |
| Rover | 100 | 1959 - 1963 |
| Rover | 105 | 1959 |
| Rover | 90 | 1954 - 1958 |
| Studebaker | Commander | 1965 - 1966 |
| Studebaker | Cruiser | 1965 - 1966 |
| Studebaker | Daytona | 1965 - 1966 |
| Studebaker | Wagonaire | 1966 |
| Sunbeam | Alpine | 1953 - 1965 |
| Sunbeam | MK III | 1955 |
| Sunbeam | Rapier | 1960 - 1965 |
| Sunbeam | Sunbeam-Talbot 80 | 1950 |
| Sunbeam | Sunbeam-Talbot 90 | 1950 - 1954 |
| Toyota | Land Cruiser | 1960 - 1987 |
| Triumph | Spitfire | 1979 - 1980 |
| Triumph | TR7 | 1975 - 1982 |
| Triumph | TR8 | 1980 - 1982 |
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