Remco no longer markets axle disconnect
Take a look at Remco's web site..... Home | Remco Towing
They no longer mention the axle disconnect product, except in the their history.
The application guide does not reference the axle disconnect either.
Did they sell that portion of the business?
2002 35R Southwind, W22 8.1L Vortec UltraPower, 19.5' wheels
Toad: Wrangler, lifted and on 35" tires