Motorcraft Spark Plug A21X

Aston Martin DB4 1958-1963
Aston Martin DB5 1963-1965
Aston Martin DB6 1965-1970
Aston Martin DBS 1967-1972
Aston Martin V8 1969-1989
Aston Martin V8 Vantage 1977-1990
Aston Martin V8 Vantage 1993-1999
Audi 80 1972-1996
Audi 90 1984-1991
Audi 100 1968-1994
Audi A4 1994-2001
Audi A6 1994-2004
Audi A8 1994-2002
Austin-Healey 100 1953-1956
Austin-Healey 100-6 1956-1959
Austin-Healey 3000 1959-1967
Austin-Healey Sprite 1958-1961
Bentley Continental 1961-1965
Bentley S3 1962-1965
BMW 1602 1966-1975
BMW 2002 1968-1976
BMW 3 Series 1975-1983
BMW 5 Series 1972-1981
BMW 6 Series 1976-1989
BMW 7 Series 1977-1986
Fiat 500 1957-1975
Fiat 600 1955-1969
Fiat 850 1964-1973
Fiat 124 1966-1974
Fiat 128 1969-1985
Jaguar E-Type 1961-1975
Jaguar Mark II 1959-1967
Jaguar XJ6 1968-1987
Jaguar XJ12 1972-1992
Jaguar XJS 1975-1996
Jaguar XJ8 1997-2003
MG MGA 1955-1962
MG MGB 1962-1980
MG MGC 1967-1969
MG Midget 1961-1979
MG TC 1945-1949
Mercedes-Benz 190 1955-1961
Mercedes-Benz 230 1965-1968
Mercedes-Benz 250 1965-1972
Mercedes-Benz 280 1967-1971
Mercedes-Benz 300 1951-1963
Porsche 356 1948-1965
Porsche 911 1963-1973
Porsche 914 1969-1976
Porsche 924 1976-1988
Porsche 944 1982-1991
Triumph Spitfire 1962-1980
Triumph TR2 1953-1955
Triumph TR3 1955-1957
Triumph TR4 1961-1965
Triumph TR6 1969-1976
Volkswagen Beetle 1938-2003
Volkswagen Golf 1974-2006
Volkswagen Karmann Ghia 1955-1974
Volkswagen Microbus 1950-1967
Volkswagen Type 3 1961-1973
Volvo 122 1956-1970
Volvo 1800 1961-1973
Volvo 240 1974-1993
Volvo 740 1982-1992
Volvo 940 1990-1998

1. OEM part number: A21X
2. Equivalent part number: SP-411

Standard shipping with tracking via Royal Mail or Evri for heavier parts:
- £4.99 per order for standard 2-day delivery
- £5.99 per order for Next Day delivery

Most orders are shipped the same business day if ordered before 2pm. We ship Monday through Friday.

If we unexpectedly run out of stock we may have to order your part which can take up to 1 week. We will be in touch in the rare circumstance that there is a delay to your shipment.

We want you to be completely happy with your purchase but please do not hesitate to contact us immediately if you have a problem with your order. Please ensure that you consider all the points described on our profile page accessible by clicking our name above the product title.

It is especially important that you take due care to ensure that the part you selected is compatible with your car. If in doubt, we'd prefer that you get in touch via our profile page so we can help you.