4pcs Pistons & Rings For BEETLE A4 TT 1.8T 06B107065N 06B107065F 06B107099AG 06B107099R Constructed from aluminum , this 4-piece piston and ring set is engineered for use in 1.8T engines requiring replacement components.The design supports stable under elevated temperatures up to 105℃, helping maintain performance in demanding conditions.These pistons and rings are intended for compatibility with specific engine models using OEM numbers 06B107065N, 06B107065F, 06B107099AG, and 06B107099R.They offer direct fitment for applications in vehicles equipped with 1.8T engines.The set includes all necessary parts for installation, providing a complete solution for engine rebuilding or repair.Suitable for use during maintenance or performance restoration, this piston and ring set integrates into existing engine assemblies with standard tools and procedures. This product is not manufactured by the brand.Model and brand mentions are for compatibility guidance only.