ACDelco 41-983 GM Original Equipment Double Platinum Spark Plug
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- Store reference
- LST-ENG-ACD-41-983-001
- Seller
- Lone Star Trim
- Manufacturer
- ACDelco
Part details & compatibility
ACDelco GM Original Equipment double-platinum spark plug for GMT800 8.1L Vortec applications. The 41-983 is the correct GM-service plug for the 8.1L V8 used in heavy-duty GMT800 trucks and selected 2500-series SUVs.
- Brand: ACDelco
- Part Number: 41-983
- Current GM Part Number: 12679800
- Legacy GM Part Number: 12578277
- Electrode: Double Platinum
- Pre-Gap: 0.060 in
- Engine: 8.1L Vortec V8
- Quantity: 1 spark plug
Fitment: Select 2001–2007 Classic GMT800 Silverado/Sierra HD and 2500/3500 applications with the 8.1L V8, plus applicable Suburban 2500, Avalanche 2500, and Yukon XL 2500 models.