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Denso 3421 SK20HR11 Iridium Long-Life Spark Plug 20 in stock
· Spark Plugs

Denso 3421 SK20HR11 Iridium Long-Life Spark Plug

SKUDENSO-SK20HR11-3421-SPARK-PLUG ID#101772
Retail price
$10.78
20 in stock Ships tomorrow if ordered before 2 PM PT Tax at checkout
Trade pricing available. Volume discounts for shops, mechanics, and resellers. Sign in or apply for a trade account.
Will this fit your vehicle?
Verify with VIN or Year / Make / Model.
Compatible vehicles (71)
Make Model Years Engine / Notes
BMW 128i 2008-2013 L6 3.0L
BMW 325i 2006 L6 3.0L
BMW 325xi 2006 L6 3.0L
BMW 328i 2007-2013 L6 3.0L
BMW 328i xDrive 2009-2013 L6 3.0L
Fits OEM & Cross-References (17)
OEM Part Numbers
HONDA 12293-PHM-A01
IMC 739 49008
MITSUBISHI OE MN158596
Toyota 90919-01191
WORLDPAC F1000-46509-ND
WORLDPAC F1000-46509-NDP
Brand Equivalents
ALLIANCE OE BOSCH SPARK PLUGS FR7NPP332
AUTOLITE XP5325
AUTOPART INTERNATIONAL DEN3421
CHAMPION SPARK PLUGS 9006
NGK CANADA BASE NUMBERS ILFR6T11
NGK CANADA STOCK NUMBERS 4904
OMNICRAFT QSP6
PULSTAR DG1H10
Industry Standards
Electrode Code SK20HR11
Part Number 3421
Part Number Denso 3421
If you have one of these numbers on your dealer invoice or old part — this is the correct replacement.
Authentic part Direct from supplier
Manufacturer warranty Full replacement
30-day returns If unused

Specifications

Datasheet · #101772
TypeIridium
Center electrodeiridium
Ground electrodeplatinum
Heat range20
Gap (in)0.043
Thread (mm)14
Reach (mm)26.5
Hex size16mm
Seat typegasket
ResistorY
Terminalsolid
Tip designfine-wire
Plugs in set6

About this part

Fits 57 vehicle applications: BMW: 128i 2008-2013, 325i 2006-2006, 325xi 2006-2006, 328i 2007-2013, 328i xDrive 2009-2013, 328xi 2007-2008, 330i 2006-2006, 330xi 2006-2006, 525i 2006-2007, 525xi 2006-2007, 528i 2008-2011, 528i xDrive 2009-2010, 528xi 2008-2008, 530i 2006-2007, 530xi 2006-2007, X3 2007-2012, X4 2017-2018, X5 2007-2010, Z4 2006-2011; Cadillac: SRX 2004-2010, STS 2005-2005; Honda: Civic 2006-2006, Insight 2000-2006; Infiniti: FX35 2003-2003, QX56 2005-2005; Lexus: GX460 2010-2023, LX570 2008-2021; Mercedes-Benz: E55 AMG 2003-2003, G55 AMG 2005-2011, S55 AMG 2003-2006, SL55 AMG 2003-2008, SLR McLaren 2005-2009; Mitsubishi: Eclipse 2004-2012, Galant 2004-2011, Lancer 2004-2006, Outlander 2004-2006; Nissan: Maxima 2007-2007; Porsche: 911 2011-2019, Cayenne 2017-2018; Saab: 9-3 2006-2009, 9-5 2010-2011; Toyota: 4Runner 2003-2013, FJ Cruiser 2007-2013, Land Cruiser 2008-2021, Sequoia 2008-2022, Tacoma 2005-2015, Tundra 2005-2021; Volvo: C30 2008-2013, C70 2006-2013, S40 2004-2011, S60 2004-2009, S80 2007-2010, V50 2005-2011, V70 2004-2010, XC60 2010-2010, XC70 2009-2010, XC90 2007-2010

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