Here is a list of British and European cars with which the Unipart Spark Plug GSP4642 is compatible:

- Austin-Healey 100/6 1956-1959
- Austin-Healey 3000 1959-1967
- Austin-Healey Sprite Mk II 1961-1964
- Austin-Healey Sprite Mk III 1964-1966
- Austin-Healey Sprite Mk IV 1966-1971
- Austin-Healey Sprite Mk V 1971-1974
- Bentley S1 1955-1959
- Bentley S2 1959-1962
- Bentley S3 1962-1965
- Bentley T-Series 1965-1977
- Bentley Corniche 1971-1984
- Bentley Continental R 1991-2002
- Bentley Continental T 1996-2002
- Daimler SP250 1959-1964
- Jaguar E-Type 1961-1974
- Jaguar MK2 1959-1969
- Jaguar MKX 1961-1970
- Jaguar S-Type 1963-1968
- Jaguar 420 1966-1969
- Jaguar XJ6 1968-1987
- Jaguar XJ12 1972-1992
- Jaguar XJS 1975-1996
- Jaguar XJ40 1986-1994
- Jaguar X300 1994-1997
- Jaguar X308 1997-2003
- Jaguar XK8 1996-2006
- Jaguar XKR 1998-2006
- Jaguar XJ8 1997-2003
- Jaguar XJR 1997-2003
- Jaguar X-Type 2001-2009
- Land Rover Series I 1948-1958
- Land Rover Series II 1958-1971
- Land Rover Series III 1971-1985
- Land Rover Defender 1983-2016
- Land Rover Discovery 1989-2004
- Land Rover Freelander 1997-2006
- MG MGA 1955-1962
- MG MGB 1962-1980
- MG MGC 1967-1969
- MG Midget Mk II 1964-1974
- MG Midget Mk III 1974-1979
- MG Midget 1500 1974-1980
- Morgan 4/4 Series V 1962-1968
- Morgan Plus 4 1963-1968
- Morgan Plus 8 1968-2004
- Morris Minor 1948-1971
- Rolls Royce Silver Cloud 1955-1965
- Rolls Royce Silver Shadow 1965-1980
- Rolls Royce Silver Spirit 1980-1998
- Rolls Royce Silver Spur 1980-1997
- Rover P4 1949-1964
- Rover P5 1958-1973
- Rover P6 1963-1977
- Rover SD1 1976-1986
- Rover 800 1986-1999
- Triumph TR2 1953-1955
- Triumph TR3 1955-1957
- Triumph TR3A 1957-1962
- Triumph TR4 1961-1965
- Triumph TR4A 1965-1968
- Triumph TR5 1967-1968
- Triumph TR6 1969-1976
- Triumph TR7 1975-1981
- Triumph TR8 1978-1981
- Triumph Stag 1970-1977
- TVR Griffith 1963-1967
- TVR Vixen 1967-1973
- TVR M Series 1972-1979
- TVR Tasmin 1980-1989
- TVR S Series 1986-1994
- TVR Chimaera 1992-2003
- TVR Griffith 500 1992-2002

Please note that this list may not be exhaustive, and it is always recommended to consult with a professional mechanic or the manufacturer's specifications to ensure compatibility with your specific vehicle.

1. OEM part number: GSP4642
2. Equivalent part number: GSP4642D

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.