Suitable Fit For Audi Auto Parts, Exhaust Gas Recirculation Valve EGR Valve 04L131501S. OEM NO.:04L131501S. Wide compatibility: Suitable for models of multiple brands, please check the applicability of specific models before purchase to avoid incorrect installation. After replacing the valve, engine intake and combustion return to normal, power output becomes more stable, and speed fluctuations during high-speed cruising are reduced, resulting in a significantly improved driving experience. Reduces engine vibration and stalling risk. After replacement, the idle speed is stable, cold starts are smooth, and driving safety is improved., Manufacturer: EGUIAS