CAR SPEC SHEET

2012 Chevrolet Tahoe and Suburban Spark plugs

2011 Chevrolet Tahoe and Suburban, representative photo
Shown: a 2011 Chevrolet Tahoe and Suburban (same generation). Photo: U.S. National Highway Traffic Safety Administration, public domain
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Depends on your version. Choose yours, or compare them here.

  • 5.3L V8 FlexFuel (Iron Block) (LMG) 0.040 in gap
  • 5.3L V8 FlexFuel (Aluminum Block) (LC9) 0.040 in gap
  • 6.0L V8 (Iron Block) (L96) 0.040 in gap

2012 Chevrolet Tahoe and Suburban Owner's Manual, PDF page 471

(Iron Block) (LMG) 0 1.02mm (0.040 in)Open the manual at this page ↗Added Oct 15, 2026 · Updated
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Spark plugs (gap) · 5.3L V8 FlexFuel (Iron Block) (LMG) · PDF page 471

(Iron Block) (LMG) 0 1.02mm (0.040 in)

Spark plugs (gap) · 5.3L V8 FlexFuel (Aluminum Block) (LC9) · PDF page 471

(Aluminum Block) (LC9) 7 1.02mm (0.040 in)

Spark plugs (gap) · 6.0L V8 (Iron Block) (L96) · PDF page 471

6.0L V8 (Iron Block) (L96) G 1.02 mm (0.040 in)

2011 Chevrolet Tahoe and Suburban, representative photo
Shown: a 2011 Chevrolet Tahoe and Suburban (same generation). Photo: U.S. National Highway Traffic Safety Administration, public domain
See every quote (3 values)

All versions

3 values
Applies toValueManual saysPage
5.3L V8 FlexFuel (Iron Block) (LMG) 0.040 ingap “(Iron Block) (LMG) 0 1.02mm (0.040 in)” PDF page 471 ↗
5.3L V8 FlexFuel (Aluminum Block) (LC9) 0.040 ingap “(Aluminum Block) (LC9) 7 1.02mm (0.040 in)” PDF page 471 ↗
6.0L V8 (Iron Block) (L96) 0.040 ingap “6.0L V8 (Iron Block) (L96) G 1.02 mm (0.040 in)” PDF page 471 ↗

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