NGK CR9EIX 3521 Spark Plug Iridium IX
NGK CR9EIX 3521 Spark Plug Iridium IX
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Model Compatibility
Model Compatibility
Aston Martin DB7 1994-2004
Aston Martin DB9 2004-2016
Aston Martin DBS 2007-2012
Aston Martin V8 Vantage 2005-2017
Aston Martin Vanquish 2001-2007
Aston Martin Virage 1993-2000
Audi 100 4C 1991-1994
Audi 200 4C 1991-1994
Audi A3 8L 1996-2003
Audi A3 8P 2003-2012
Audi A3 8V 2012-2018
Audi A4 B5 1994-2001
Audi A4 B6 2001-2005
Audi A4 B7 2005-2008
Audi A4 B8 2008-2015
Audi A4 B9 2015-2019
Audi A5 B8 2007-2016
Audi A5 B9 2016-present
Audi A6 C4 1994-1997
Audi A6 C5 1997-2004
Audi A6 C6 2004-2011
Audi A6 C7 2011-2018
Audi A7 C7 2010-2017
Audi A8 D2 1994-2002
Audi A8 D3 2002-2009
Audi A8 D4 2009-2017
Audi Q7 4L 2006-2015
Audi Q7 4M 2015-present
Audi R8 2006-2015
Bentley Arnage 1998-2009
Bentley Azure 1995-2003
Bentley Continental GT 2003-2018
Bentley Continental GTC 2006-2018
Bentley Continental Flying Spur 2005-2018
Bentley Mulsanne 2010-present
BMW 1 Series E81/E82/E87/E88 2004-2013
BMW 2 Series F22/F23 2013-present
BMW 3 Series E36 1990-2000
BMW 3 Series E46 1998-2006
BMW 3 Series E90/E91/E92/E93 2005-2013
BMW 3 Series F30/F31 2011-present
BMW 4 Series F32/F33/F36 2013-present
BMW 5 Series E34 1988-1996
BMW 5 Series E39 1996-2003
BMW 5 Series E60/E61 2003-2010
BMW 5 Series F10/F11 2010-2017
BMW 6 Series E63/E64 2003-2010
BMW 6 Series F12/F13 2011-2018
BMW 7 Series E38 1994-2001
BMW 7 Series E65/E66/E67/E68 2002-2008
BMW 7 Series F01/F02/F03/F04 2008-2015
BMW 8 Series E31 1989-1999
BMW X3 E83 2003-2010
BMW X3 F25 2010-2017
BMW X5 E53 1999-2006
BMW X5 E70 2006-2013
BMW X6 E71/E72 2008-2014
BMW Z3 1995-2002
BMW Z4 E85/E86 2002-2008
BMW Z4 E89 2009-2016
BMW Z8 2000-2003
Fiat 124 Spider 1966-1985
Fiat 850 Spider 1965-1972
Fiat Dino Spider 1966-1972
Ford Capri 1969-1986
Ford Escort MK1 1968-1975
Ford Escort MK2 1975-1980
Ford Fiesta MK1 1976-1983
Ford Fiesta MK2 1983-1989
Ford Fiesta MK3 1989-1997
Ford Focus MK1 1998-2004
Ford Focus MK2 2004-2011
Ford Focus MK3 2011-2018
Ford Mustang 1964-1973
Ford Mustang 1979-1993
Ford Mustang 1994-2004
Ford Mustang 2005-2014
Ford Mustang 2015-present
Jaguar E-Type 1961-1975
Part Number
Part Number
- OEM part number: CR9EIX
- Equivalent part numbers: 3521
Shipping Information
Shipping Information
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.
Returns Policy
Returns Policy
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.