Patti at Mountain Valley Airport in Tehachapi can do it:

Browne's Aircraft Interiors
FAA Certified Repair Station N8BR941Y
Patti Browne, owner (661) 822-0909
Safety Belt Repair and Re-Webbing, Upholstery, Weight and Balance
16332 Harris Rd.
Mountain Valley Airport
Tehachapi, CA 93561
email:
fax: (661) 823-7759


ASM wrote:
Does anyone know if there is a company to which I can send my seat
belts and they would reuse the hardware and just put new belts? Any
info would be appreciated.

Jacek
Washington State