Dorman 578-043 OE Solutions Fuel Tank Strap is a two‑pack set of replacement straps designed to secure a GM 25-gallon fuel tank to the vehicle frame, restoring proper mounting and alignment. The part interchanges with the ST43 OE designation and with Spectra Premium ST43, ensuring cross‑brand compatibility across similar GM applications. A documented application includes 1988–1996 GMC K1500 pickups, among other GM 25‑gallon tank configurations cited in aftermarket fit guides. The kit is sold as two straps, ready for replacement during fuel‑tank maintenance or restoration projects.
