Don't overlook the high dollar alternative: replace the Kwikee with the Executive step, the one currently used by Newell. It's quite different, more substantial, etc, etc.
When our Kwikee gave up the ghost rather than spend more money to have the same step, we upgraded to the Executive step. Just an idea.
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Barry & Linda Rooker
2001 triple slide, DD60, Allison
Buick Enclave