Jayco Manuals & Jayco Parts
The unfortunate answer to your question here is that Jayco Manuals and Parts can only really be bought through local Jayco dealers.
Jayco Dealers have a secure Web site that they can log into and either order or e-mail you a replacement owner’s manual.
Like the manuals, parts can be purchased in a similar way. You can call or visit the Jayco dealer and they will either have the part in stock or be able to order one for you online.
That being said, don’t count the power of eBay and other classified sites out. Very often, eBay Motors will feature auctions for manuals, parts and accessories.