Best spark plugs for a 2005 Subaru Impreza

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

ACDelco

ACDelco Double Platinum Spark Plug, 41-801

MPN 41-801

$11.49

Advance Auto Parts

Bosch

Bosch OE Fine Wire Double Iridium Spark Plug, 9782

MPN 9782

$8.69

Advance Auto Parts

Bosch

Bosch OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity, 9600

MPN 9600

$12.99

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 Double Platinum Power Spark Plug RC11PYPB4 - Enhanced Durability & Performance, 7070

MPN 7070

$7.49

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 RC12WYPB4 - Maximum Performance & Longevity, 9201

MPN 9201

$10.99

Advance Auto Parts

Champion

Champion Platinum Power Spark Plug RC10PYC - Powerful Performance & Longevity, 3346

MPN 3346

$5.49

Advance Auto Parts

Champion

Champion Platinum Power Spark Plug RC12PYC - Powerful Performance & Longevity, 3071

MPN 3071

$5.99

Advance Auto Parts

DENSO

DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, K16PR-P11, 3293

MPN 3293

$13.49

Advance Auto Parts

DENSO

DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK20PR-P8, 3245

MPN 3245

$13.49

Advance Auto Parts

DENSO

DENSO Iridium Long-Life Spark Plug: OE Performance, SK16PR-L11, 3395

MPN 3395

$21.49

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-A8, 3403

MPN 3403

$21.99

Advance Auto Parts

DENSO

DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK16, 5303

MPN 5303

$10.49

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, K16PR-U11, 3130

MPN 3130

$4.79

Advance Auto Parts

DENSO

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

MPN 3381

$9.99

Advance Auto Parts

NGK

NGK G-Power Platinum Spark Plug (BKR5EGP): Enhanced Durability & Efficiency, 7090

MPN 7090

$8.99

Advance Auto Parts

NGK

NGK G-Power Platinum Spark Plug (BKR6EGP): Enhanced Durability & Efficiency, 7092

MPN 7092

$8.99

Advance Auto Parts

NGK

NGK Iridium IX Spark Plug (BKR5EIX-11): Extreme Ignitability & Durability, 5464

MPN 5464

$13.99

Advance Auto Parts

NGK

NGK Iridium IX Spark Plug (BKR6EIX): Enhanced Ignitability & Durability, 6418

MPN 6418

$16.99

Advance Auto Parts

NGK

NGK Iridium IX Spark Plug (LFR6AIX): Extreme Ignitability & Durability, 93893

MPN 93893

$16.99

Advance Auto Parts

NGK

NGK Laser Iridium Spark Plug (IFR5E11): Fine Wire Tip for Efficiency, 7994

MPN 7994

$23.99

Advance Auto Parts

NGK

NGK Laser Iridium Spark Plug (IFR6B): Fine Wire Tip for Efficiency, 6507

MPN 6507

$22.99

Advance Auto Parts

NGK

NGK Laser Iridium Spark Plug (ILFR6B): Fine Wire Tip for Precision, 6481

MPN 6481

$23.99

Advance Auto Parts

NGK

NGK Laser Platinum Spark Plug (FR5AP-11): Fine Wire Tip for Precision, 5463

MPN 5463

$18.99

Advance Auto Parts

NGK

NGK Ruthenium HX Spark Plug (FR5BHX): High Ignitability & Durability, 96457

MPN 96457

$16.99

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

$17.99

Advance Auto Parts

NGK

NGK Standard Nickel Spark Plug (BKR6ES): Reliable OE Performance, 6364

MPN 6364

$5.99

Advance Auto Parts

NGK

NGK V-Power Nickel Spark Plug (BKR5E-11): Reliable Ignitability & Smooth Idle, 6953

MPN 6953

$7.49

Advance Auto Parts

NGK

NGK V-Power Nickel Spark Plug (BKR6E): Reliable Performance & Ignitability, 6962

MPN 6962

$6.99

Spark plug listings on Amazon

Amazon

6 PCSNEW -- DENSO #4503 PLATINUM T T Spark Plugs -- PK16TT

$19.68

Amazon

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

$16.88

Amazon

Autolite APP5325-4PK Double Platinum Spark Plug, 4 Pack

$17.64

Amazon

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

$26.32

Amazon

Autolite Platinum AP5325 Automotive Replacement Spark Plugs (4 Pack)

$15.12

Amazon

Denso 4503 Spark Plug

$24.90

Amazon

NGK # 6418 Iridium Spark Plugs BKR6EIX - 4 PCS NEW

$28.25

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

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.