Best spark plugs for a 2002 Subaru Outback

Spark plug listings at Advance Auto Parts

Advance Auto Parts

ACDelco

ACDelco Conventional Spark Plug, 41-602

MPN 41-602

$6.49

Advance Auto Parts

ACDelco

ACDelco Double Platinum Spark Plug, 41-800

MPN 41-800

$11.49

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

Champion

Champion Copper Plus Spark Plug RC10YC4 - Dependable Performance & Durability, 346

MPN 346

$5.49

Advance Auto Parts

Champion

Champion Double Platinum Power Spark Plug RC10PYPB4 - Enhanced Durability & Performance, 7546

MPN 7546

$9.99

Advance Auto Parts

Champion

Champion Iridium Spark Plug RC10WYPB4 - Maximum Performance & Longevity, 9001

MPN 9001

$10.99

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 Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK20PR11, 3168

MPN 3168

$14.49

Advance Auto Parts

DENSO

DENSO Iridium Long-Life Spark Plug: OE Performance, SK20HPR-L11, 3433

MPN 3433

$19.99

Advance Auto Parts

DENSO

DENSO Iridium Long-Life Spark Plug: OE Performance, SK20PR-L11, 3443

MPN 3443

$18.49

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 Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition, 4506

MPN 4506

$7.69

Advance Auto Parts

DENSO

DENSO U-Groove Spark Plug: OE Performance, K20HR-U11, 3381

MPN 3381

$9.99

Advance Auto Parts

DENSO

DENSO U-Groove Spark Plug: OE Performance, K20PR-U11, 3121

MPN 3121

$4.99

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 (IFR6E11): Fine Wire Tip for Precision, 6741

MPN 6741

$22.99

Advance Auto Parts

NGK

NGK Laser Platinum Spark Plug (PFR6G-11): Superior Ignitability & Longevity, 5555

MPN 5555

$23.99

Advance Auto Parts

NGK

NGK Laser Platinum Spark Plug (PLFR6A-11): Enhanced Ignitability & Longevity, 7654

MPN 7654

$22.99

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 (LFR6AHX-S): High Ignitability & Durability, 94122

MPN 94122

$15.99

Advance Auto Parts

NGK

NGK Standard Nickel Spark Plug (BKR6ES-11): Reliable OE Performance, 5553

MPN 5553

$6.99

Advance Auto Parts

NGK

NGK V-Power Nickel Spark Plug (BKR6E-11): Reliable Ignitability & Performance, 2756

MPN 2756

$7.49

Advance Auto Parts

NGK

NGK V-Power Nickel Spark Plug (LFR6A-11): Reliable Performance & Ignitability, 3672

MPN 3672

$10.99

Spark plug listings on Amazon

Amazon

6 PCSNEW -- DENSO #4504 PLATINUM T T Spark Plugs -- PK20TT

$16.88

Amazon

Autolite APP3923 Double Platinum Automotive Replacement Spark Plugs (4 Pack)

$17.07

Amazon

Autolite Iridium XP Automotive Replacement Spark Plugs, XP3923 (4 Pack)

$27.60

Amazon

Autolite Iridium XP Automotive Replacement Spark Plugs, XP5325 (Pack of 4)

$26.32

Amazon

NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4

$42.88

Amazon

NGK 6619 Iridium Spark Plugs LFR6AIX-11 - 6 PCSNEW

$39.49

Amazon

NGK 7090 G-Power Platinum Spark Plugs BKR5EGP - 6 PCSNEW

$16.10

Amazon

PHILTOP Spark Plug, 6619 Double Iridium Spark Plugs, Replacement for Tundra, Tacoma, Sienna, Highlander, RX350, ES350, Avalon, 4Runner, Camry, RAV4, Outback, OE Fine Wire Spark Plug(6 Pack)

$26.49

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.