Toyota ATF WS is a high quality automatic transmission fluid specially developed for use in automatic transmission from vehicle manufacturer Toyota. It meets ATF WS specification. Toyota ATF WS is a original product from Toyota Motor Corporation. We recommend use of Toyota ATF WS only in vehicles for which the use of Toyota ATF WS is required. In this cases you find Toyota ATF WS mentioned namely or by it's OEM part number / Toyota part number 08886-02305 in your owner's manual. Origin