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Bosch 4503 Spark Plug – Compatible with Audi, BMW, Mercedes-Benz, Jaguar, Land Rover, Porsche, Volkswagen, Volvo, Saab, and Mini

Bosch 4503 Spark Plug – Compatible with Audi, BMW, Mercedes-Benz, Jaguar, Land Rover, Porsche, Volkswagen, Volvo, Saab, and Mini

BOSCH
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SKU 4503
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$6.06 - $6.06
$6.06
$6.06 - $6.06
$6.06
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

The Bosch 4503 spark plug is a high-performance ignition component suitable for a vast range of vehicles from Audi, BMW, Mercedes-Benz, Jaguar, Land Rover, Porsche, Volkswagen, Volvo, Saab, and Mini. It ensures reliable combustion, reduces misfires, and improves fuel economy. Bosch's advanced engineering provides consistent spark and long service life.

Vehicle Fitment

Make Model Years Engine
Audi A6 2009–2011 3.2V6
Volkswagen Routan 2009–2010 4.0V6
Jaguar XF 2009–2010 4.2V8
Audi A5 Quattro 2008–2010 3.2V6
Land Rover Range Rover Sport 2006–2009 4.2V8
Land Rover Range Rover 2006–2009 4.2V8
Land Rover Range Rover 2003–2009 4.4V8
Land Rover LR3 2005–2009 4.4V8
Jaguar XKR 2004–2009 4.2V8
Jaguar XK 2007–2009 4.2V8
Jaguar XJR 2004–2009 4.2V8
Jaguar XJ8 2004–2009 4.2V8
Jaguar Vanden Plas 2004–2009 4.2V8
Jaguar Super V8 2005–2009 4.2V8
Audi A4 Quattro 2009 3.2V6
Mercedes-Benz G500 2002–2008 5.0V8
Jaguar S-Type 2003–2008 4.2V8
Mercedes-Benz R500 2006–2007 5.0V8
BMW 760Li 2003–2007 6.0V12
Volkswagen Golf 1999–2001 2.0L4
Volkswagen Golf 2006 2.0L4
Saab 9-2X 2005–2006 2.5H4
Mini Cooper 2002–2006 1.6L4
Mercedes-Benz SL500 2002–2006 5.0V8
Mercedes-Benz S500 2002–2006 5.0V8
Mercedes-Benz S430 2002–2006 4.3V8
Mercedes-Benz S350 2006 3.7V6
Mercedes-Benz ML500 2002–2006 5.0V8
Mercedes-Benz E500 2003–2006 5.0V8
Mercedes-Benz CLS500 2006 5.0V8
Mercedes-Benz CLK500 2003–2006 5.0V8
Mercedes-Benz CL500 2001–2006 5.0V8
Jaguar XK8 2003–2006 4.2V8
BMW X5 2001–2006 4.4V8
BMW X3 2004–2006 3.0L6
BMW 760i 2004–2006 6.0V12
BMW 330Ci 2001–2006 3.0L6
BMW 325Ci 2001–2006 2.5L6
Mercedes-Benz SLK55 AMG 2005 5.5V8
Mercedes-Benz ML350 2003–2005 3.7V6
Mercedes-Benz E320 2001–2005 3.2V6
Mercedes-Benz CLK320 2001–2005 3.2V6
Mercedes-Benz C320 2001–2005 3.2V6
Mercedes-Benz C240 2001–2005 2.6V6
Land Rover Freelander 2002–2005 2.5V6
BMW Z4 2003–2005 3.0L6
BMW X3 2004–2005 2.5L6
BMW 745i 2002–2005 4.4V8
BMW 745Li 2002–2005 4.4V8
BMW 645Ci 2004–2005 4.4V8
BMW 545i 2004–2005 4.4V8
BMW 530i 2001–2005 3.0L6
BMW 525i 1994–1995 2.5L6
BMW 525i 2001–2005 2.5L6
BMW 330xi 2001–2005 3.0L6
BMW 330i 2001–2005 3.0L6
BMW 325xi 2001–2005 2.5L6
BMW 325i 1994–1995 2.5L6
BMW 325i 2001–2005 2.5L6
Mercedes-Benz SLK320 2002–2004 3.2V6
Mercedes-Benz G55 AMG 2003–2004 5.5V8
Land Rover Discovery 2003–2004 4.6V8
Mercedes-Benz ML55 AMG 2002–2003 5.5V8
Mercedes-Benz ML320 2002–2003 3.2V6
Mercedes-Benz CLK430 2001–2003 4.3V8
BMW Z8 2000–2003 5.0V8
BMW X5 2002–2003 4.6V8
BMW M5 2000–2003 5.0V8
BMW 540i 1997 4.4V8
BMW 540i 2001–2003 4.4V8
Volkswagen Cabrio 2002 2.0L4
Mercedes-Benz SL600 2002 6.0V12
Mercedes-Benz S55 AMG 2002 5.5V8
Mercedes-Benz E55 AMG 2001–2002 5.5V8
Mercedes-Benz E430 2001–2002 4.3V8
Mercedes-Benz CLK55 AMG 2001–2002 5.5V8
Mercedes-Benz CL55 AMG 2001–2002 5.5V8
Land Rover Discovery 2001–2002 4.0V8
BMW Z3 2001–2002 3.0L6
BMW Z3 1999–2002 2.5L6
Volvo S80 1999–2001 2.9L6
Volkswagen Jetta 1999–2001 2.0L4
BMW Z3 1999–2001 3.2L6
BMW 750iL 1996–2001 5.4V12
BMW 740iL 1996–1997 4.4V8
BMW 740iL 2001 4.4V8
BMW 740i 1997 4.4V8
BMW 740i 2001 4.4V8
Volkswagen Beetle 1998–2000 2.0L4
BMW Z3 1997–2000 2.8L6
Volvo V70 1998–1999 2.4L5
Volvo S70 1998–1999 2.4L5
Porsche Boxster 1997–1999 2.5H6
BMW M3 1996–1999 3.2L6
BMW 528i 1997–1999 2.8L6
BMW 318ti 1996–1999 1.9L4
BMW Z3 1996–1998 1.9L4
BMW 318i 1996–1998 1.9L4
Saab 900 1997 2.5V6
Jaguar XJ6 1993 4.0L6
Jaguar XJ6 1995–1997 4.0L6
BMW 840Ci 1996–1997 4.4V8
BMW 328is 1996–1997 2.8L6
BMW 328i 1996–1997 2.8L6
BMW 318is 1996–1997 1.9L4
Jaguar XJS 1993–1996 4.0L6
BMW M3 1995 3.0L6
BMW 840Ci 1994–1995 4.0V8
BMW 740iL 1994–1995 4.0V8
BMW 740i 1994–1995 4.0V8
BMW 540i 1994–1995 4.0V8
BMW 530i 1994–1995 3.0V8
BMW 318ti 1995 1.8L4
BMW 318is 1994–1995 1.8L4
BMW 318i 1993–1995 1.8L4
Volvo 850 1993–1994 2.4L5

Technical Specifications

Part Number 4503
Brand BOSCH

About BOSCH

Bosch is a globally respected brand in automotive parts, delivering cutting-edge spark plug technology for over a century.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 119 applications
Audi
Make Model Engine Years
Audi A6 3.2V6 2009–2011
Audi A5 Quattro 3.2V6 2008–2010
Audi A4 Quattro 3.2V6 2009–2009
BMW
Make Model Engine Years
BMW 760Li 6.0V12 2003–2007
BMW X5 4.4V8 2001–2006
BMW X5 3.0L6 2001–2006
BMW X3 3.0L6 2004–2006
BMW 760i 6.0V12 2004–2006
BMW 330Ci 3.0L6 2001–2006
BMW 325Ci 2.5L6 2001–2006
BMW Z4 3.0L6 2003–2005
BMW Z4 2.5L6 2003–2005
BMW X3 2.5L6 2004–2005
BMW 745i 4.4V8 2002–2005
BMW 745Li 4.4V8 2002–2005
BMW 645Ci 4.4V8 2004–2005
BMW 545i 4.4V8 2004–2005
BMW 530i 3.0L6 2001–2005
BMW 525i 2.5L6 1994–1995
BMW 525i 2.5L6 2001–2005
BMW 330xi 3.0L6 2001–2005
BMW 330i 3.0L6 2001–2005
BMW 325xi 2.5L6 2001–2005
BMW 325i 2.5L6 1994–1995
BMW 325i 2.5L6 2001–2005
BMW Z8 5.0V8 2000–2003
BMW X5 4.6V8 2002–2003
BMW M5 5.0V8 2000–2003
BMW 540i 4.4V8 1997–1997
BMW 540i 4.4V8 2001–2003
BMW Z3 3.0L6 2001–2002
BMW Z3 2.5L6 1999–2002
BMW Z3 3.2L6 1999–2001
BMW 750iL 5.4V12 1996–2001
BMW 740iL 4.4V8 1996–1997
BMW 740iL 4.4V8 2001–2001
BMW 740i 4.4V8 1997–1997
BMW 740i 4.4V8 2001–2001
BMW Z3 2.8L6 1997–2000
BMW M3 3.2L6 1996–1999
BMW 528i 2.8L6 1997–1999
BMW 318ti 1.9L4 1996–1999
BMW Z3 1.9L4 1996–1998
BMW 318i 1.9L4 1996–1998
BMW 840Ci 4.4V8 1996–1997
BMW 328is 2.8L6 1996–1997
BMW 328i 2.8L6 1996–1997
BMW 318is 1.9L4 1996–1997
BMW M3 3.0L6 1995–1995
BMW 840Ci 4.0V8 1994–1995
BMW 740iL 4.0V8 1994–1995
BMW 740i 4.0V8 1994–1995
BMW 540i 4.0V8 1994–1995
BMW 530i 3.0V8 1994–1995
BMW 318ti 1.8L4 1995–1995
BMW 318is 1.8L4 1994–1995
BMW 318i 1.8L4 1993–1995
Jaguar
Make Model Engine Years
Jaguar XF 4.2V8 2009–2010
Jaguar XKR 4.2V8 2004–2009
Jaguar XK 4.2V8 2007–2009
Jaguar XJR 4.2V8 2004–2009
Jaguar XJ8 4.2V8 2004–2009
Jaguar Vanden Plas 4.2V8 2004–2009
Jaguar Super V8 4.2V8 2005–2009
Jaguar S-Type 4.2V8 2003–2008
Jaguar XK8 4.2V8 2003–2006
Jaguar XJ6 4.0L6 1993–1993
Jaguar XJ6 4.0L6 1995–1997
Jaguar XJS 4.0L6 1993–1996
Land Rover
Make Model Engine Years
Land Rover Range Rover Sport 4.2V8 2006–2009
Land Rover Range Rover Sport 4.4V8 2006–2009
Land Rover Range Rover 4.2V8 2006–2009
Land Rover Range Rover 4.4V8 2003–2009
Land Rover LR3 4.4V8 2005–2009
Land Rover Freelander 2.5V6 2002–2005
Land Rover Discovery 4.6V8 2003–2004
Land Rover Discovery 4.0V8 2001–2002
Mercedes-Benz
Make Model Engine Years
Mercedes-Benz G500 5.0V8 2002–2008
Mercedes-Benz R500 5.0V8 2006–2007
Mercedes-Benz SL500 5.0V8 2002–2006
Mercedes-Benz S500 5.0V8 2002–2006
Mercedes-Benz S430 4.3V8 2002–2006
Mercedes-Benz S350 3.7V6 2006–2006
Mercedes-Benz ML500 5.0V8 2002–2006
Mercedes-Benz E500 5.0V8 2003–2006
Mercedes-Benz CLS500 5.0V8 2006–2006
Mercedes-Benz CLK500 5.0V8 2003–2006
Mercedes-Benz CL500 5.0V8 2001–2006
Mercedes-Benz SLK55 AMG 5.5V8 2005–2005
Mercedes-Benz ML350 3.7V6 2003–2005
Mercedes-Benz E320 3.2V6 2001–2005
Mercedes-Benz CLK320 3.2V6 2001–2005
Mercedes-Benz C320 3.2V6 2001–2005
Mercedes-Benz C240 2.6V6 2001–2005
Mercedes-Benz SLK320 3.2V6 2002–2004
Mercedes-Benz G55 AMG 5.5V8 2003–2004
Mercedes-Benz ML55 AMG 5.5V8 2002–2003
Mercedes-Benz ML320 3.2V6 2002–2003
Mercedes-Benz CLK430 4.3V8 2001–2003
Mercedes-Benz SL600 6.0V12 2002–2002
Mercedes-Benz S55 AMG 5.5V8 2002–2002
Mercedes-Benz E55 AMG 5.5V8 2001–2002
Mercedes-Benz E430 4.3V8 2001–2002
Mercedes-Benz CLK55 AMG 5.5V8 2001–2002
Mercedes-Benz CL55 AMG 5.5V8 2001–2002
Mini
Make Model Engine Years
Mini Cooper 1.6L4 2002–2006
Porsche
Make Model Engine Years
Porsche Boxster 2.5H6 1997–1999
Saab
Make Model Engine Years
Saab 9-2X 2.5H4 2005–2006
Saab 900 2.5V6 1997–1997
Volkswagen
Make Model Engine Years
Volkswagen Routan 4.0V6 2009–2010
Volkswagen Golf 2.0L4 1999–2001
Volkswagen Golf 2.0L4 2006–2006
Volkswagen Cabrio 2.0L4 2002–2002
Volkswagen Jetta 2.0L4 1999–2001
Volkswagen Beetle 2.0L4 1998–2000
Volvo
Make Model Engine Years
Volvo S80 2.9L6 1999–2001
Volvo V70 2.4L5 1998–1999
Volvo S70 2.4L5 1998–1999
Volvo 850 2.4L5 1993–1994