RE526668 Head Gasket Set without Seals Fits John Deere 1640 1830 ++ TractorsOne New Aftermarket Replacement Head Gasket Set (without Seals) for John Deere 4 Cylinder Diesel Engines This upper cylinder head gasket set seals the cylinder head to the engine block on John Deere 4 cylinder diesel engines including the 219, 239, 239T, 276, 4039, 4039T, 4045, and 4045T engine families. Sold without seals. Fits a wide range of John Deere agricultural tractors, combines, crawlers dozers, excavators, backhoe loaders, skidders, wheel