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Spark Plugs
Subaru
WRX
2003 Subaru WRX
Spark Plugs
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Performance
High-performance upgrades for maximum power
Replacement
OEM-quality replacement components
Denso® - Iridium TT™ Cold Type Spark Plug
18
# 3845790347
$11.91
NGK® - HX™ Ruthenium Spark Plug
40
# 4543175505
$12.51
NGK® - Laser Iridium™ Spark Plug
18
# 4732318822
$15.02
Denso® - Iridium Power™ Cold Type Spark Plug
17
# 3446052239
$8.91
Denso® - Cold Type Iridium Long-Life Spark Plug
17
# 2771249207
$13.72
Denso® - Platinum TT™ Spark Plug
17
# 2771286346
$5.74
Denso® - Double Platinum Spark Plug
17
# 3845686914
$11.35
Autolite® - XP™ Iridium Spark Plugs
2
# 3446053421
$4.42
TRQ® - Iridium Spark Plug Set
8
# 6732361182
$44.95
+ Save an extra
$2.00
with iD FastTrack
ACDelco® - GM Original Equipment™ Conventional Nickel Spark Plug
13
# 3665310510
$1.94
SKP® - Spark Plug
1
# 3845355809
$4.81
ACDelco® - Gold™ Rapidfire Platinum Spark Plug
13
# 5144065477
$5.66
Champion® - Copper Plus Spark Plug
6
# 3665339280
$3.27
NGK® - Nickel Spark Plug
35
# 3665282325
$3.66
Denso® - Original U-Groove Nickel Spark Plug
17
# 3845400748
$3.13
ACDelco® - Gold™ Double Platinum Spark Plug
13
# 5143968913
$8.06
Ishino® - Spark Plug Tube Seal
0
# mpn4678690300
$6.16