2020 GMC Yukon XL Spark Plugs
Save up to 40% on original replacement 2020 GMC Yukon XL Spark Plugs. Navigate our online catalogue to find Spark Plugs and other parts designed specifically to fit a 2020 GMC Yukon XL.






Spark Plug
$22.29
$11.87
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Germany
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
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
$22.29
$11.87
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Germany
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
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
$10.27
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: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
Gap 0.040 DENSO is O.E. Manufacturer / Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap OE
Gap 0.040 DENSO is O.E. Manufacturer / Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap OE



Spark Plug
$10.27
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: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
Gap 0.040 DENSO is O.E. Manufacturer / Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap OE
Gap 0.040 DENSO is O.E. Manufacturer / Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap OE







Spark Plug
$11.28
$13.85
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
Gap 0.040in Part # LTR5IX-11
Gap 0.040in Part # LTR5IX-11







Spark Plug
$11.28
$13.85
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
Gap 0.040in Stock# 4344
Gap 0.040in Stock# 4344







Spark Plug
$11.28
$13.85
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
Gap 0.040in Part # LTR5IX-11
Gap 0.040in Part # LTR5IX-11







Spark Plug
$11.28
$13.85
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
Gap 0.040in Stock# 4344
Gap 0.040in Stock# 4344







Spark Plug
$8.80
$9.60
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
Gap 0.040in Part # LTR5GP
Gap 0.040in Part # LTR5GP







Spark Plug
$8.80
$9.60
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
Gap 0.040in Stock# 5019
Gap 0.040in Stock# 5019







Spark Plug
$8.80
$9.60
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
Gap 0.040in Part # LTR5GP
Gap 0.040in Part # LTR5GP







Spark Plug
$8.80
$9.60
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
Gap 0.040in Stock# 5019
Gap 0.040in Stock# 5019







Spark Plug
$17.38
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
Gap 0.040in Part # LTR5AHX
Gap 0.040in Part # LTR5AHX







Spark Plug
$17.38
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
Gap 0.040in Stock# 90220
Gap 0.040in Stock# 90220







Spark Plug
$17.38
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
Gap 0.040in Part # LTR5AHX
Gap 0.040in Part # LTR5AHX







Spark Plug
$17.38
10+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
Gap 0.040in Stock# 90220
Gap 0.040in Stock# 90220







Spark Plug
$20.18
$16.78
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
Gap 0.040in Part # ILTR5E11 OE Equivalent Design 156,000 km Factory Recommended Service Interval
Gap 0.040in Part # ILTR5E11 OE Equivalent Design 156,000 km Factory Recommended Service Interval







Spark Plug
$20.18
$16.78
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
Gap 0.040in Stock# 91418 OE Equivalent Design 156,000 km Factory Recommended Service Interval
Gap 0.040in Stock# 91418 OE Equivalent Design 156,000 km Factory Recommended Service Interval







Spark Plug
$20.18
$16.78
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
Gap 0.040in Part # ILTR5E11 OE Equivalent Design 156,000 km Factory Recommended Service Interval
Gap 0.040in Part # ILTR5E11 OE Equivalent Design 156,000 km Factory Recommended Service Interval







Spark Plug
$20.18
$16.78
50+ In Stock
Ships: Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Pick-Up: Ready in 1 Hour Monday Sep. 22nd
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
Gap 0.040in Stock# 91418 OE Equivalent Design 156,000 km Factory Recommended Service Interval
Gap 0.040in Stock# 91418 OE Equivalent Design 156,000 km Factory Recommended Service Interval

Spark Plug
$11.77
10+ In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
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. .040"/1.0mm
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. .040"/1.0mm

Spark Plug
$11.77
10+ In Stock
Ships: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Pick-Up: in 3-4 Business Days
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
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. .040"/1.0mm
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. .040"/1.0mm

Spark Plug
$9.18
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: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
OE Style Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .040"/1.0mm
OE Style Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .040"/1.0mm

Spark Plug
$9.18
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: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
OE Style Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .040"/1.0mm
OE Style Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design. .040"/1.0mm







Spark Plug
$29.46
$15.18
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
Gap 0.040in Sell Out and Reorder ILTR5E11 (Stock # 91418) Stock# 3474
Gap 0.040in Sell Out and Reorder ILTR5E11 (Stock # 91418) Stock# 3474







Spark Plug
$29.46
$15.18
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
Gap 0.040in Sell Out and Reorder ILTR5E11 (Stock # 91418) Stock# 3474
Gap 0.040in Sell Out and Reorder ILTR5E11 (Stock # 91418) Stock# 3474


Spark Plug
$8.47
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Engine Base: 5.3L 5328cc 325ci V8 (3.78x3.62; 96.0x92.0);
Vehicle Fitment Notes:
.040"/1.0mm
.040"/1.0mm


Spark Plug
$8.47
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Engine Base: 6.2L 6162cc 376ci V8 (4.06x3.62; 103.2x92.0);
Vehicle Fitment Notes:
.040"/1.0mm
.040"/1.0mm