Product Description
Genuine GM 12688186 L8T Head Gasket
Choose Quantity for a Single or Pair (2) Gaskets
Fits 2020-Newer GM 6.6L Gasoline L8T Engines (8th Digit of VIN = 7)
These GM/Chevrolet Performance head gaskets are OEM replacements for the L8T 6.6L V8 engines found in 2020-newer HD Truck & Van models. Featuring a durable multi-layered steel (MLS) design, it ensures a reliable seal for high-performance and heavy-duty applications.
• Bore Opening: 4.100”
• Compressed Thickness: .054”
• Material: 5-Layer Multi-Later Steel (MLS)
Applications Include (6.6L Gasoline Models Only):
- CHEVROLET EXPRESS 2500 2021-2025
- CHEVROLET EXPRESS 3500 2021-2025
- CHEVROLET EXPRESS 4500 2021-2025
- CHEVROLET LCF 2020-2025
- CHEVROLET SILVERADO 2500 2020-2025
- CHEVROLET SILVERADO 3500 2020-2025
- GMC SAVANA 2500 2021-2025
- GMC SAVANA 3500 2021-2025
- GMC SAVANA 4500 2021-2025
- GMC SIERRA 2500 2020-2025
- GMC SIERRA 3500 2020-2025
