SKP SKCS26269 Engine Conversion Gasket Set

Engine Conversion Gasket Set for GM 6.6L Applications

The SKP SKCS26269 engine conversion gasket set is built for GM heavy-duty gas and diesel applications that require a reliable sealing solution during engine service or conversion work. It supports a wide range of Chevrolet, GMC, and Hummer fitments from 2001-2010, including Silverado 2500 HD, Sierra 2500 HD, Express 2500, Savana 2500, and H1 models.

This SKCS26269 gasket set cross-references MAHLE CS54580A and GM403CSB for the same application.

• Engine conversion gasket set for GM truck, van, and Hummer applications
• Direct fit coverage for Chevrolet Silverado 2500 HD and 3500 HD models
• Also fits GMC Sierra 2500 HD and 3500 HD, plus Savana and Express vans
• Supports 2001-2010 model-year coverage across multiple heavy-duty platforms
• Part number SKCS26269 for catalog lookup and ordering

Fitment Coverage

• Fits 2006-2010 Chevrolet Express 2500, N/A
• Fits 2006-2010 Chevrolet Express 3500, N/A
• Fits 2001-2010 Chevrolet Silverado 2500 HD, N/A
• Fits 2007-2010 Chevrolet Silverado 3500 HD, N/A
• Fits 2006-2010 GMC Savana 2500, N/A
• Fits 2006-2010 GMC Savana 3500, N/A
• Fits 2001-2010 GMC Sierra 2500 HD, N/A
• Fits 2007-2010 GMC Sierra 3500 HD, N/A
• Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A
• Fits 2007 Chevrolet Silverado 3500 Classic, N/A
• Fits 2007 GMC Sierra 2500 HD Classic, N/A
• Fits 2007 GMC Sierra 3500 Classic, N/A
• Fits 2001-2006 Chevrolet Silverado 3500, N/A
• Fits 2001-2006 GMC Sierra 3500, N/A
• Fits 2006 Hummer H1, N/A

What This Gasket Set Helps Address

• Engine sealing issues during conversion or major service
• Leak points created by aged or damaged gaskets
• Loss of compression from worn sealing surfaces
• Reassembly needs after cylinder head or engine teardown
• Fitment matching for Chevrolet Silverado and GMC Sierra heavy-duty repairs

Installation Notes and Tips

Verify engine configuration and application details before installation, especially on 2007 Classic models and heavy-duty truck platforms. Clean all mating surfaces thoroughly, inspect for warpage or damage, and follow the service manual torque sequence and tightening specifications during reassembly. Confirm the part number SKCS26269 against the vehicle’s engine code and original gasket layout before beginning work.

Quality Assurance

SKP replacement parts are cataloged for application-specific fitment across GM truck, van, and Hummer platforms. Use SKCS26269 when you need a conversion gasket set matched to the listed Chevrolet, GMC, and Hummer applications.