613RA021

OE Core: 37" x 32" x 2 1/4" (3r)
Inlet Conn: 2 1/2" Top left
Outlet Conn: 3" Bottom right

Classic XL, FLD 120
1994-2002
OE #'s A0516366001 / A0516366004

613RA021WET

OE Core: 37" x 32" x 2 1/4" (3R)
Inlet Conn: 2 1/2" Top left
Outlet Conn: 3" Bottom right

Same as 613RA021 with addition of expansion tank.

613RA020

OE Core: 36" x 38 3/8" x 2 1/4"
Inlet Conn: 2 1/2" Top left 6" to center
Outlet Conn: 2 1/2" Bottom right 13 1/2" to center

Classic XL / Sterling
2004-2007
OE #'s BHTE3758, 3759, 3760, 6125

613RA007

OE Core: 36" x 31 1/2" x 2" (3R)
Inlet Conn: 2 1/2" Top left 5 7/8" to center
Outlet Conn: 2 1/2" Bottom right 9 1/2" to center

Century
2003-2007
OE#"s BHTA 6724, BHTB4761