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The Supertech valve stem seal is a 5mm Viton replacement provided individually for Toyota Yaris and Echo with 4A‑GE 20V engines. Specified for both exhaust and intake service where applicable, the Viton construction helps resist oil and heat while maintaining valve stem sealing. This single seal is intended for direct-fit repairs and targeted valve-train maintenance on those Toyota models.
Supertech Toyota Yaris / Echo 4AGE 20V 5mm Viton Exhaust / Intake Valve Stem Seal - Single
