Don't worry, i don't there were any differences in the canvas between 2003 and 2006.
Contact T.J. Snuggles in Bremen, Ind.
They've been making the canvas ends for years.
Your other canvas end should have a tag from them on the inside.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC