DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IKH20TT, 4704
In stock
$15.49
Listed as compatible with this vehicle by the retailer feed.
Check price2011 Subaru Impreza Spark Plugs
36 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
NGK Ruthenium HX Spark Plug (FR5BHX): High Ignitability & Durability, 96457
In stock
$16.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Iridium IX Spark Plug (LFR6AIX): Extreme Ignitability & Durability, 93893
In stock
$16.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Ruthenium HX Spark Plug (LFR6BHX): High Ignitability & Durability, 93420
In stock
$17.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IKH20, 5344
In stock
$17.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Laser Platinum Spark Plug (FR5AP-11): Fine Wire Tip for Precision, 5463
In stock
$18.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium Long-Life Spark Plug: OE Performance, SK20HPR-L11, 3433
In stock
$19.99
Listed as compatible with this vehicle by the retailer feed.
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DENSO Iridium Long-Life Spark Plug: OE Performance, SK16PR-L11, 3395
In stock
$21.49
Listed as compatible with this vehicle by the retailer feed.
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NGK Laser Iridium Spark Plug (SILFR6A): High Ignitability & Durability, 7913
In stock
$21.99
Listed as compatible with this vehicle by the retailer feed.
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NGK Laser Iridium Spark Plug (IFR5E11): Fine Wire Tip for Efficiency, 7994
In stock
$23.99
Listed as compatible with this vehicle by the retailer feed.
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E3 DiamondFIRE Spark Plug: More Power & Fuel Efficiency, E3.48
In stock
$8.49
Listed as compatible with this vehicle by the retailer feed.
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Bosch OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity, 9600
In stock
$12.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.