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do88 black crankcase vent hoses for 1999–2000 Audi S3 and TT 1.8T engines (APY/AUL/APX) are vehicle-specific replacement lines for PCV and crankcase ventilation. These hoses restore the original vent routing where factory components have degraded and are intended to be used during routine replacement or repair. The black finish keeps the engine bay visually understated while returning proper ventilation plumbing.
do88 99-00 Audi S3/TT 1.8T (APY/AUL/APX) Crankcase Vent Hoses - Black
