Water Pump Thermostat Housing Assembly compatible with OE numbers 06L121111H, 06L121111J, 06L121005A, 06L121012, 06L121111, 06L121111B, 06L121111E, 06L121111F, 06L121111G, 06L121111H, 06L121111J, 06L121005A, 06L121012.Designed for direct replacement, this unit is suitable for various vehicle models equipped with 1.8L and 2.0L engines including A3, A4, A6, Alltrack, Beetle (Car) (Car) (Car), Atlas, GLI, SportWagen, R, TT, TTS, and others from model years 2015 to 2021.The assembly includes water pump and thermostat housing components.Professional installation is recommended.Installation manual not included.Compatibility Note: This is a third-party replacement component.Brand and model references are included solely to indicate fitment.