@ranchdawg, thank you. I’ll take a look. I have an aftermarket one now and it doesn’t stay on the OEM bracket very well. I just bought the truck so I’m not sure where it’s from but the pump is offset in the corner.
I'll second what @ranchdawg said. That is a great alternative. And since you're new, I feel the need to let you know not to buy from that Vintage Teq parts web site. I made that mistake and once I finally received it (many months later), the damn thing failed almost immediately. And there is no warranty, so I am out almost $100 for it. Don't do what I did. BTW, the guy that runs that site has been banned from here.
I did purchase the Denso RV Windshield Washer Reservoir Tank Kit 060800-0550 and it is a great replacement for anyone else looking for a close OEM replacement. The plastic is rigid and fits directly onto the original OEM mounting bracket. The pump is good quality and the kit even comes with new tubing. Highly recommend!! Thanks again @ranchdawg and @sadovnik.
Denso RV Windshield Washer Reservoir Tank Kit 060800-0550