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do88 crankcase vent hoses in red for Audi S3 and TT 1.8T applications (1999–2000; APY/AUL/APX engines) serve as replacement ventilation lines for the crankcase and PCV system. They match the factory routing for those engines and are intended for use when original hoses show wear or leakage. The red color gives a customized look while restoring proper crankcase vent plumbing on supported models.
do88 99-00 Audi S3/TT 1.8T (APY/AUL/APX) Crankcase Vent Hoses - Red
