Product notes: On Hwy OEM Numbers: E23523996 R23523998 23520391 Make Model Years Engine Model Notes Notes Detroit Diesel 1994 to 2004 Detroit Diesel Series 60 Series 60 12.7L, 14L Detroit Diesel 1994 to 2004 Detroit Diesel Series 60 Series 60 12.7L, 14L Detroit Diesel 1994 to 2002 Detroit Diesel Series 60 Series 60 12.7L, 14L Detroit Diesel 1994 to 2002 Detroit Diesel Series 60 Series 60 12.7L, 14L
