NGK R5673-9 3856 Spark Plug Racing R56739

Aston Martin DB2 1950-1953
Aston Martin DB2/4 1953-1955
Aston Martin DB2/4 Mk II 1955-1957
Aston Martin DB2/4 Mk III 1957-1959
Aston Martin DB4 1958-1963
Aston Martin DB4 GT 1959-1963
Aston Martin DB5 1963-1965
Aston Martin DB6 1965-1970
Aston Martin DBS 1967-1972
Aston Martin DBS V8 1969-1972
Aston Martin V8 1972-1989
Aston Martin V8 Vantage 1977-1989
Aston Martin Virage 1988-1995
Aston Martin V8 Zagato 1986-1990
Aston Martin DB7 1994-2004
Aston Martin DB9 2004-2016
Aston Martin V8 Vantage 2005-2017
Aston Martin Vanquish 2001-2007
Aston Martin V12 Vanquish 2001-2007
Aston Martin Rapide 2010-2013
Aston Martin Vanquish 2012-2018
Aston Martin V12 Vantage 2010-2017
Aston Martin DB11 2016-2020
Aston Martin V8 Vantage 2018-present
Aston Martin DBS Superleggera 2018-present
Aston Martin Vantage 2018-present
Aston Martin DBX 2020-present
Aston Martin Valhalla 2020-present
Bentley MK VI 1946-1952
Bentley R-Type 1952-1955
Bentley S1 1955-1959
Bentley S2 1959-1962
Bentley S3 1962-1965
Bentley T1 1965-1977
Bentley T2 1977-1980
Bentley Mulsanne 1980-1992
Bentley Eight 1984-1992
Bentley Turbo R 1985-1997
Bentley Brooklands 1992-1998
Bentley Continental R 1991-2002
Bentley Azure 1995-2003
Bentley Arnage 1998-2009
Bentley Continental GT 2003-2011
Bentley Flying Spur 2005-2013
Bentley Continental GTC 2006-2011
Bentley Brooklands 2008-2011
Bentley Mulsanne 2010-2019
Bentley Flying Spur 2013-present
Bentley Continental GT 2011-present
Bentley Mulsanne 2016-present
Bentley Bentayga 2016-present
Bentley Continental GT 2020-present
Bentley Flying Spur 2020-present
Bentley Bentayga 2021-present
Jaguar XK120 1948-1954
Jaguar XK140 1954-1957
Jaguar XK150 1957-1961
Jaguar Mark 1 1955-1959
Jaguar Mark 2 1959-1967
Jaguar E-Type 1961-1974
Jaguar XJ6 1968-1987
Jaguar XJ12 1972-1992
Jaguar XJ-S 1975-1996
Jaguar XJ 1986-2003
Jaguar XJ40 1986-1994
Jaguar XJ220 1992-1994
Jaguar XK8 1996-2005
Jaguar XJ8 1997-2003
Jaguar S-Type 1999-2008
Jaguar X-Type 2001-2009
Jaguar XJR 1994-2003
Jaguar XKR 1997-2006
Jaguar XJ 2003-2009
Jaguar XJ8 2003-2009
Jaguar S-Type 2002-2008
Jaguar XF 2008-2015
Jaguar XJ 2009-present
Jaguar XJ 2010-present
Jaguar XF 2015-present
Jaguar XJ 2016-present
Jaguar XE 2015-present
Jaguar F-Pace 2016-present
Jaguar

NGK

OEM Part Number(s): R56739, R5673-9

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.