Seals keep fluids in and contaminants out – engine seals, transmission seals, O-rings, gaskets, and dust boots. Every seal genuine for Toyota/Geely, with correct inner diameter, outer diameter, thickness, and rubber durometer. Factory-spec lip design and spring tension for zero leakage across temperature extremes. Consistent sealing force across batches. Fits Corolla, RAV4, Camry, Boyue, Emgrand, Xingyue and more makes.