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Reliable ignition performance for various vehicles
The Autolite Spark Plug 425 is engineered to provide exceptional ignition performance for a wide range of vehicles. With over a century of experience in the automotive industry, Autolite ensures that each spark plug meets or exceeds original equipment (OE) quality standards, making it a trusted choice for both aftermarket and OEM applications.
Features
- Copper-Glass Seal bonds the insulator, terminal post, and center electrode, ensuring full voltage at the spark gap with a gas-tight seal that is 100 percent leak-proof
- Multi-rib insulator minimizes the risk of "flash-over"
- One-piece terminal post enhances strength and durability
- Cold-formed steel shell with precision rolled threads for reliable installation
- Full copper core electrode delivers improved performance across all conditions
- Designed to provide quick starts, good fuel economy, and smooth acceleration
- Resistor feature reduces radio frequency interference (RFI) and minimizes electrode erosion
Specifications
- Manufacturer: Autolite Spark Plugs
- Manufacturer Part Number: 425
- 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: 1/2 Inch
- Seat Type: Gasket
- Wrench Diameter: 13/16 Inch
Compatibility/Fit
- 1947-1958 AC Two-Litre
- 1950-1953 Alvis TA21
- 1950-1953 Alvis TB21
- 1956-1958 Alvis TC108/G
- 1953-1956 Alvis TC21
- 1969-1969 Chevrolet Corvair
- 1949-1950 Dellow MK I
- 1951-1957 Dellow MK IIC
- 1958-1959 Dellow MK IIE
- 1952-1955 Dellow MK III
- 1954-1959 Dellow MK V
- 1956-1959 Dellow Mk VI
- 1958-1962 Fairthorpe Atomata
- 1950-1955 Fiat 1400
- 1953-1955 Fiat 1900
- 1946-1959 Ford Anglia
- 1956-1961 Ford Escort
- 1946-1961 Ford Prefect
- 1956-1960 Ford Squire
- 1948-1959 Ford Taunus
- 1956-1957 Frazer Nash Continental
- 1950-1954 Hotchkiss Gregoire
- 1949-1953 Humber Imperial
- 1946-1953 Humber Pullman
- 1946-1953 Humber Super Snipe
- 1946-1948 Jaguar Mark IV
- 1949-1950 Jaguar Mark V
- 1949-1949 Jaguar XK120
- 1950-1954 Jowett Javelin
- 1950-1954 Lea-Francis Fourteen
- 1957-1957 Lotus Eleven
- 1961-1961 Lotus Elite
- 1958-1961 Lotus Seven
- 1961-1962 Lotus Super Seven
- 1951-1953 Mercedes-Benz 170
- 1953-1957 Mercedes-Benz 180
- 1956-1956 Mercedes-Benz 180D
- 1955-1959 Morgan Plus Four
- 1953-1962 Opel Caravan
- 1947-1957 Opel Kapitan
- 1947-1952 Opel Olympia
- 1953-1962 Opel Olympia Rekord
- 1952-1960 Reliant Regal
- 1953-1954 Renault Fregate
- 1946-1955 Riley 1 1/2 Litre
- 1950-1952 Saab 92
- 1953-1955 Saab 92B
- 1946-1951 Skoda 1101
- 1946-1951 Skoda 1102
- 1952-1957 Skoda 1200
- 1956-1957 Skoda 1201
- 1956-1957 Skoda 440
- 1960-1967 Skoda Octavia
- 1958-1959 Skoda S440
- 1958-1959 Skoda S445
- 1958-1959 Skoda SS450
- 1949-1949 Triumph 2000
- 1971-1971 Volkswagen 411
- 1950-1979 Volkswagen Beetle
- 1968-1973 Volkswagen Campmobile
- 1966-1973 Volkswagen Fastback
- 1955-1974 Volkswagen Karmann Ghia
- 1966-1973 Volkswagen Squareback
- 1946-1949 Volkswagen Standard
- 1971-1980 Volkswagen Super Beetle
- 1973-1974 Volkswagen Thing
- 1949-1974 Volkswagen Transporter
- 1959-1965 Wolseley 1500
- 1949-1953 Wolseley 4/50
- 1949-1954 Wolseley 6/80
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.
