series 338 vs series 400 vs series 538

Summary

• Seal / protector series 338 has the lower Clearance envelope (-16%): 3.38 in versus 4 in for Seal / protector series 400.
• Seal / protector series 338 has the lower Outside diameter (-15%): 3.4194 in versus 4.0394 in for Seal / protector series 400.