2020 GMC Sierra 2500 HD Spark Plug
Browse our online catalogue to find original replacement Spark Plugs specifically designed to fit a 2020 GMC Sierra 2500 HD.





2020 GMC Sierra 2500 HD Spark Plug
$9.60
50+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Vehicle Fitment Notes:
Gap 0.040in Part # LTR5GP
Gap 0.040in Part # LTR5GP





2020 GMC Sierra 2500 HD Spark Plug
$9.60
50+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Vehicle Fitment Notes:
Gap 0.040in Stock# 5019
Gap 0.040in Stock# 5019





2020 GMC Sierra 2500 HD Spark Plug
$13.85
50+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Vehicle Fitment Notes:
Gap 0.040in Part # LTR5IX-11
Gap 0.040in Part # LTR5IX-11





2020 GMC Sierra 2500 HD Spark Plug
$13.85
50+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Vehicle Fitment Notes:
Gap 0.040in Stock# 4344
Gap 0.040in Stock# 4344





2020 GMC Sierra 2500 HD Spark Plug
$20.18
$16.78
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in USA
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
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





2020 GMC Sierra 2500 HD Spark Plug
$20.18
$16.78
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in USA
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
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





2020 GMC Sierra 2500 HD Spark Plug
$17.38
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Vehicle Fitment Notes:
Gap 0.040in Part # LTR5AHX
Gap 0.040in Part # LTR5AHX





2020 GMC Sierra 2500 HD Spark Plug
$17.38
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Japan
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Vehicle Fitment Notes:
Gap 0.040in Stock# 90220
Gap 0.040in Stock# 90220



2020 GMC Sierra 2500 HD Spark Plug
$22.29
$12.49
10+ In Stock
Condition: New
Ships: Today, Feb. 11th
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Pick-Up: Ready in 1 Hour (Order before 4:00 PM)
Required Per Vehicle: 8
Made in Germany
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0);
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0);
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

2020 GMC Sierra 2500 HD Spark Plug
$10.27
10+ In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 8
Made in Japan
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0);
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0);
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

2020 GMC Sierra 2500 HD Spark Plug
$10.20
In Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 8
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0);
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0);
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

2020 GMC Sierra 2500 HD Spark Plug
$10.20
In Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Required Per Vehicle: 8
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
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





2020 GMC Sierra 2500 HD Spark Plug
$29.46
$15.18
Out of Stock
Condition: New
Required Per Vehicle: 8
Made in Japan
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0); Fuel Type: GAS;
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

2020 GMC Sierra 2500 HD Spark Plug
$11.77
Out of Stock
Condition: New
Required Per Vehicle: 8
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0);
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0);
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

2020 GMC Sierra 2500 HD Spark Plug
$11.77
Out of Stock
Condition: New
Required Per Vehicle: 8
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
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
2020 GMC Sierra 2500 HD Spark Plug
$8.47
Out of Stock
Condition: New
Required Per Vehicle: 8
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0);
Engine Base: 6.6L 6571cc 401ci V8 (4.06x3.86; 103.2x98.0);
Vehicle Fitment Notes:
.040"/1.0mm
.040"/1.0mm
2020 GMC Sierra 2500 HD Spark Plug
$8.47
Out of Stock
Condition: New
Required Per Vehicle: 8
Fits: 2020 GMC Sierra 2500 HD
Equipped With:
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Engine Base: 6.6L 6599cc 403ci V8 (4.06x3.90; 103.0x99.0);
Vehicle Fitment Notes:
.040"/1.0mm
.040"/1.0mm