If you’re buying structural semitrailer parts—not just wear items, but components that impact safety, compliance, and uptime—your sourcing strategy matters more than ever. Here’s a guide for fleets, owner-operators, and shops.   Prioritize OEM or Verified Equivalent Structural parts like kingpins, crossmembers, landing gear components, and frame hardware should match OEM specs. If you go aftermarket, verify certifications and load [...]