Product notes: Includes the necessary seals needed for installation. OEM Numbers: E23535540 R23535540 23535207 Make Model Years Engine Model Notes Notes Detroit Diesel Series 60 2004 to 2006 Detroit Diesel Series 60 Series 60 EPA 04 12.7L, 14L (On-Hwy) Detroit Diesel Series 60 2004 to 2006 Detroit Diesel Series 60 Series 60 EPA 04 12.7L, 14L (On-Hwy) Detroit Diesel Series 60 2004 to 2006 Detroit Diesel Series 60 Series 60 EPA 04 12.7L, 14L (On-Hwy) Detroit Diesel Series 60 2004 to 2006 Detroit Diesel Series 60 Series 60 EPA 04 12.7L, 14L (On-Hwy)