This BESTfit upper fuel tank mounting bracket is made of aluminum and designed for 26 diameter fuel tanks. Replaces OE Numbers: 1-04855M000, 1104855M000. Fits Peterbilt 330 1995 thru 2005, Peterbilt 335 2005 thru 2010, Peterbilt 352 1972 thru 1980, Peterbilt 359 1972 thru 1987, Peterbilt 362 1981 thru 2000, Peterbilt 375 1988 thru 1995, Peterbilt 377 1988 thru 2000, Peterbilt 378 1988 thru 2007, Peterbilt 379 1987 thru 2007, Peterbilt 386 2006 thru 2016, Peterbilt 387 1999 thru 2011, Peterbilt 388 2008 thru 2014, Peterbilt 389 2008 thru Current, Peterbilt 567 SBA 2014 thru Current, Peterbilt 567 SFA 2015 thru Current, Peterbilt 579 2013 thru 2021, Peterbilt 587 2011 thru 2017.