2020 GMC Sierra 3500 HD Spark Plugs
Save up to 40% on original replacement 2020 GMC Sierra 3500 HD Spark Plugs. Navigate our online catalogue to find Spark Plugs and other parts designed specifically to fit a 2020 GMC Sierra 3500 HD.
Spark Plug
$22.29
$11.87
10+ In Stock
Ships: Thursday Sep. 25th
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: 8
Required Per Vehicle: 8
Made in Germany
Vehicle fitment:
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
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: 6.6L 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
Spark Plug
$11.28
$13.85
50+ In Stock
Ships: Thursday Sep. 25th
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: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
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
Spark Plug
$11.28
$13.85
50+ In Stock
Ships: Thursday Sep. 25th
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: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
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
Spark Plug
$8.80
$9.60
50+ In Stock
Ships: Thursday Sep. 25th
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: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
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
Spark Plug
$8.80
$9.60
50+ In Stock
Ships: Thursday Sep. 25th
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: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
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
Spark Plug
$17.38
10+ In Stock
Ships: Thursday Sep. 25th
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: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
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
Spark Plug
$17.38
10+ In Stock
Ships: Thursday Sep. 25th
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: 8
Required Per Vehicle: 8
Made in Japan
Vehicle fitment:
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
Spark Plug
$20.18
$16.78
50+ In Stock
Ships: Thursday Sep. 25th
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: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
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
Spark Plug
$20.18
$16.78
50+ In Stock
Ships: Thursday Sep. 25th
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: 8
Required Per Vehicle: 8
Made in USA
Vehicle fitment:
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
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: 6.6L 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 .040"/1.0mm 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.
OE Style .040"/1.0mm 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.
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: 6.6L 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 .040"/1.0mm Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.
OE Style .040"/1.0mm Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.
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: 6.6L 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
Spark Plug
$8.47
Out of Stock
Condition: New
Required Per Vehicle: 8
Required Per Vehicle: 8
Vehicle fitment:
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