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· Spark Plugs

ACDelco 41-121 Professional Iridium Spark Plug

SKU1121-SPARK-PLUG ID#101810
Retail price
$14.46
17 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 (7)
Make Model Years Engine / Notes
Buick Encore 2013-2021 L4 1.4L
Chevrolet Cruze 2011-2015 L4 1.4L
Chevrolet Cruze Limited 2016 L4 1.4L
Chevrolet Sonic 2012-2020 L4 1.4L
Chevrolet Trax 2013-2021 L4 1.4L
Fits OEM & Cross-References (20)
OEM Part Numbers
AUTOLITE XP3922DP2
AUTOPART INTERNATIONAL ACD41-121
GENERAL MOTORS OE 55585517
NAPA CANADA/NGK SPARK PLUGS - NGB 91039
NAPA CANADA/NGK SPARK PLUGS - NGB 92400
OEM 12681656
Brand Equivalents
AUTOLITE AI3922
AUTOLITE XP3922
AUTOLITE XP3923
CHAMPION SPARK PLUGS 9770
CHAMPION SPARK PLUGS E3 SPARK PLUGS
CHAMPION SPARK PLUGS E3.64
NAPA CANADA/AUTOLITE SPARK PLUGS- AUT AP3923
NAPA CANADA/AUTOLITE SPARK PLUGS- AUT APP3923
NGK NGK IFR7X7G
NGK CANADA BASE NUMBERS FR7BHX-S
NGK CANADA BASE NUMBERS IFR7X7G
SKP SP1011
Industry Standards
Part Number 41-121
Part Number ACDelco 41-121
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 · #101810
TypeIridium
Center electrodeiridium
Ground electrodeplatinum
Heat range7
Gap (in)0.028
Thread (mm)14
Reach (mm)19
Hex size16mm
Seat typegasket
ResistorY
Terminalsolid
Tip designfine-wire
Plugs in set4

About this part

Fits 5 vehicle applications: Buick: Encore 2013-2021; Chevrolet: Sonic 2012-2020, Cruze 2011-2015, Trax 2013-2021, Cruze Limited 2016-2016

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