Dorman PCV breather hoses can help maintain engine life and performance. They are direct replacements to keep your vehicle running in top form. Brittle or clogged hoses can cause emission problems. New PCV breather hoses, tubes, and elbows from Dorman are original equipment solutions designed to head off problems and prolong your positive crankcase valve's proper operation. Preserve your PCV system--install new breather hoses from Dorman.