BomberGear makes great replacements... and I put one in mine with out issue. It's been a couple years since I did it, but basically it's no problem.
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body. But rather...To skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming... WOW !!!! What a ride!!!!!!"