1991 GMC C5000 Topkick Spark Plugs
Save up to 40% on original replacement 1991 GMC C5000 Topkick Spark Plugs. Navigate our online catalogue to find Spark Plugs and other parts designed specifically to fit a 1991 GMC C5000 Topkick.








Spark Plug
$5.95
$5.66
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: 6.0L 366ci V8;
Engine Base: 6.0L 366ci V8;
Vehicle Fitment Notes:
Gap 0.045in Part # YR5GP
Gap 0.045in Part # YR5GP







Spark Plug
$5.95
$5.66
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: 6.0L 366ci V8;
Engine Base: 6.0L 366ci V8;
Vehicle Fitment Notes:
Gap 0.045in Stock# 2953
Gap 0.045in Stock# 2953







Spark Plug
$4.64
$4.35
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: 6.0L 366ci V8;
Engine Base: 6.0L 366ci V8;
Vehicle Fitment Notes:
Gap 0.045in Part # YR5 OE Equivalent Design 48,000 km Factory Recommended Service Interval
Gap 0.045in Part # YR5 OE Equivalent Design 48,000 km Factory Recommended Service Interval







Spark Plug
$4.64
$4.35
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: 6.0L 366ci V8;
Engine Base: 6.0L 366ci V8;
Vehicle Fitment Notes:
Gap 0.045in Stock# 7052 OE Equivalent Design
Gap 0.045in Stock# 7052 OE Equivalent Design







Spark Plug
$15.98
$13.80
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: 6.0L 366ci V8;
Engine Base: 6.0L 366ci V8;
Vehicle Fitment Notes:
Gap 0.045in Part # YR5IX
Gap 0.045in Part # YR5IX







Spark Plug
$15.98
$13.80
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: 6.0L 366ci V8;
Engine Base: 6.0L 366ci V8;
Vehicle Fitment Notes:
Gap 0.045in Stock# 7516
Gap 0.045in Stock# 7516