Best spark plugs for a 2010 Subaru Outback
Spark plug listings at Advance Auto Parts
Advance Auto Parts
Autolite
Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 3923
MPN 3923
$4.49
Advance Auto Parts
Autolite
Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP3923
MPN AP3923
$5.49
Advance Auto Parts
Autolite Iridium
Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP3923
MPN XP3923
$11.49
Advance Auto Parts
Bosch
Bosch OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity, 9603
MPN 9603
$10.49
Advance Auto Parts
Champion
Champion Copper Plus Spark Plug RC9MC4 - Dependable Performance & Durability, 434
MPN 434
$5.49
Advance Auto Parts
Champion
Champion Copper Plus Spark Plug REC10YC4 - Dependable Performance & Durability, 975
MPN 975
$3.49
Advance Auto Parts
Champion
Champion Double Platinum Power Spark Plug RC10PLPB4 - Enhanced Durability & Performance, 7436
MPN 7436
$9.99
Advance Auto Parts
Champion
Champion Double Platinum Power Spark Plug REC10PYPB4 - Enhanced Durability & Performance, 7975
MPN 7975
$9.19
Advance Auto Parts
Champion
Champion Iridium Spark Plug RC10WMPB4 - Maximum Performance & Longevity, 9002
MPN 9002
$11.99
Advance Auto Parts
Champion
Champion Iridium Spark Plug REC10WYPB4 - Maximum Performance & Longevity, 9006
MPN 9006
$10.49
Advance Auto Parts
Champion
Champion Platinum Power Spark Plug RC10PYC - Powerful Performance & Longevity, 3346
MPN 3346
$5.49
Advance Auto Parts
DENSO
DENSO Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FK20HR11, 3426
MPN 3426
$21.99
Advance Auto Parts
DENSO
DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20, 5304
MPN 5304
$14.49
Advance Auto Parts
DENSO
DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IKH20, 5344
MPN 5344
$17.99
Advance Auto Parts
DENSO
DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IK20TT, 4702
MPN 4702
$14.99
Advance Auto Parts
DENSO
DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IKH20TT, 4704
MPN 4704
$15.49
Advance Auto Parts
DENSO
DENSO Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition, 4504
MPN 4504
$3.99
Advance Auto Parts
DENSO
DENSO Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition, 4506
MPN 4506
$7.69
Advance Auto Parts
E3
E3 DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency, E3.56
MPN E3.56
$8.49
Advance Auto Parts
NGK
NGK G-Power Platinum Spark Plug (BKR6EGP): Enhanced Durability & Efficiency, 7092
MPN 7092
$8.99
Advance Auto Parts
NGK
NGK G-Power Platinum Spark Plug (LFR6CGP): Enhanced Durability & Efficiency, 1483
MPN 1483
$14.99
Advance Auto Parts
NGK
NGK Iridium IX Spark Plug (BKR6EIX-11): Enhanced Ignitability & Durability, 3764
MPN 3764
$14.99
Advance Auto Parts
NGK
NGK Iridium IX Spark Plug (LFR6AIX-11): Extreme Ignitability & Durability, 6619
MPN 6619
$17.99
Advance Auto Parts
NGK
NGK Laser Iridium Spark Plug (SIFR6A11): High Ignitability & Durability, 127
MPN 127
$24.99
Advance Auto Parts
NGK
NGK Laser Iridium Spark Plug (SILFR6C11): High Ignitability & Durability, 7505
MPN 7505
$24.99
Advance Auto Parts
NGK
NGK Ruthenium HX Spark Plug (FR6BHX-S): High Ignitability & Durability, 95159
MPN 95159
$19.49
Advance Auto Parts
NGK
NGK Ruthenium HX Spark Plug (LFR6BHX): High Ignitability & Durability, 93420
MPN 93420
$17.99Spark plug listings on Amazon
Brand and material notes
Copper plugs are often the least expensive. Platinum and iridium listings usually last longer and cost more. Use the merchant page and your owner’s manual — this site does not assign a heat range or claim a performance gain.
Before you buy
- Confirm the engine code on the vehicle or build sticker.
- Match the OE spark-plug number when you have it.
- Check plug gap, torque, and how many plugs the engine uses.
- Treat Advance and Amazon cards as separate offers, not the same SKU.
Other eligible years
This site contains affiliate links. We may earn a commission if you buy through Advance Auto Parts or Amazon. Listings come from merchant catalogs for the selected year, make, and model. They are not OEM confirmation of engine, plug gap, torque, heat range, or quantity.