2015 Subaru WRX STI Spark Plugs
Save up to 40% on original replacement 2015 Subaru WRX STI Spark Plugs. Navigate our online catalogue to find Spark Plugs and other parts designed specifically to fit a 2015 Subaru WRX STI.






Spark Plug
$10.15
$10.47
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.044 Resistor Plug with Patented U-Groove Design
Gap 0.044 Resistor Plug with Patented U-Groove Design





Spark Plug
$28.18
$20.68
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.044 O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap
Gap 0.044 O.E. Recommended Iridium Long Life - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap





Spark Plug
$11.29
$11.02
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Gap 0.040 Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap





Spark Plug
$22.58
$15.57
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Gap 0.040 Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology





Spark Plug
$20.31
$14.18
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.044 Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Gap 0.044 Iridium Power - Performance Upgrade with Worlds Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)







Spark Plug
$13.84
$10.61
50+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.030in Part # LFR6CGP
Gap 0.030in Part # LFR6CGP







Spark Plug
$13.84
$10.61
50+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.030in Stock# 1483
Gap 0.030in Stock# 1483







Spark Plug
$29.46
$21.84
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.030in Actual OE Part Stock# 7913 96,000 km Factory Recommended Service Interval
Gap 0.030in Actual OE Part Stock# 7913 96,000 km Factory Recommended Service Interval







Spark Plug
$29.46
$21.84
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.030in Part # SILFR6A Actual OE Manufacturer 96,000 km Factory Recommended Service Interval
Gap 0.030in Part # SILFR6A Actual OE Manufacturer 96,000 km Factory Recommended Service Interval







Spark Plug
$18.75
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.030in Part # LFR6BHX
Gap 0.030in Part # LFR6BHX







Spark Plug
$18.75
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.030in Stock# 93420
Gap 0.030in Stock# 93420







Spark Plug
$13.81
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.030in Part # LFR6AIX
Gap 0.030in Part # LFR6AIX







Spark Plug
$13.81
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Available Immediately
Pick-Up: Available Immediately
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Japan
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Gap 0.030in Stock# 93893
Gap 0.030in Stock# 93893

Spark Plug
$3.11
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Vehicle Fitment Notes:
.030"/0.8mm
.030"/0.8mm

Spark Plug
$5.63
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Vehicle Fitment Notes:
.030"/0.8mm
.030"/0.8mm

Spark Plug
$8.48
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Vehicle Fitment Notes:
.030"/0.8mm
.030"/0.8mm

Spark Plug
$8.66
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Vehicle Fitment Notes:
OE Style Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .030"/0.8mm
OE Style Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .030"/0.8mm


Spark Plug
$11.77
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Vehicle Fitment Notes:
OE Style New Autolite Iridium Ultra Finewire is an OE replacement plug with a laser welded center electrode, an ultra thin 0.5mm Iridium centerwire with longer 1.4mm tip providing maximum fuel efficiency. 100K miles or more service life. .030"/0.8mm
OE Style New Autolite Iridium Ultra Finewire is an OE replacement plug with a laser welded center electrode, an ultra thin 0.5mm Iridium centerwire with longer 1.4mm tip providing maximum fuel efficiency. 100K miles or more service life. .030"/0.8mm





Spark Plug
$18.69
Out of Stock
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Made in Germany
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset
Original Center Electrode Material is Iridium Do Not Gap, Gap is Preset


Spark Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Vehicle Fitment Notes:
Obsolete .030 Gap
Obsolete .030 Gap


Spark Plug
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 4
Required Per Vehicle: 4
Vehicle Fitment Notes:
OE Style Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .030"/0.8mm
OE Style Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .030"/0.8mm