2005 GMC Sierra Denali Spark Plugs

2005 GMC Sierra Denali spark plugs: 0.040 inches gap (VORTEC 6000 (VIN N), Automatic). From the owner's manual, PDF page 384.

0.040inches

Gap · VORTEC 6000 (VIN N), Automatic

2005 GMC Sierra Denali Owner's Manual, PDF page 384

0.040 inches (1.01 mm)Open the manual at this page ↗Added Oct 21, 2026 · Updated
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Spark plugs (gap) · VORTEC 6000 (VIN N), Automatic · PDF page 384

0.040 inches (1.01 mm)

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VORTEC 6000 (VIN N), Automatic 0.040 inchesgap “0.040 inches (1.01 mm)” PDF page 384 ↗

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