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Thumbnail Filmstrip of 2011-2016 6.6L LML Duramax Head Gasket Kit without Studs Alliant AP0155 Images
The Alliant Power AP0155 is a new head gasket kit without studs for 2011–2016 GM LML Duramax applications. Alliant’s Engine Cylinder Head Gasket Kit supports cylinder head service by providing sealing components for the upper engine assembly.
Features & Benefits
- New Alliant Power Head Gasket Kit without Studs (Alliant P/N AP0155)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Chevrolet Silverado 2500 HD / Silverado 3500 HD (2011–2016)
- GMC Sierra 2500 HD / Sierra 3500 HD (2011–2016)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).
The Alliant Power AP0155 is a new head gasket kit without studs for 2011–2016 GM LML Duramax applications. Alliant’s Engine Cylinder Head Gasket Kit supports cylinder head service by providing sealing components for the upper engine assembly.
Features & Benefits
- New Alliant Power Head Gasket Kit without Studs (Alliant P/N AP0155)
- Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
- Backed by Alliant Power’s 24-month, unlimited-mileage warranty
Application
- Chevrolet Silverado 2500 HD / Silverado 3500 HD (2011–2016)
- GMC Sierra 2500 HD / Sierra 3500 HD (2011–2016)
Always verify fitment against your VIN, engine, and OE part number before ordering.
Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).