{"product_id":"stellar-automotive-group-u140-u150-u151-underdrive-clutch-outer-piston-fits-toyota","title":"Stellar Automotive Group U140\/U150\/U151 Underdrive Clutch Outer Piston fits Toyota","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eStellar Automotive Group U140\/U150\/U151 Underdrive Clutch Outer Piston (Bonded) – Compatible for Toyota \u0026amp; Lexus 1998-Up\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eStop slipping in 1st \u0026amp; 2nd gears, delayed takeoff, and burnt underdrive clutches with this precision bonded outer piston from Stellar Automotive Group.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis direct-replacement piston is the critical outer apply component for the underdrive clutch pack in all U140E, U150E, and U151E transmissions. The factory piston commonly cracks or loses its bond under heat and mileage, causing internal leakage that weakens underdrive apply — leading to no forward movement, harsh engagement, and rapid clutch failure. This upgraded molded piston with permanently bonded rubber seal restores full line pressure, delivers instant takeoff power, and protects your underdrive clutch pack for reliable daily driving or light towing.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003ePerfect fit for popular models including:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul dir=\"auto\"\u003e\n \t\u003cli\u003eToyota Highlander, Camry, RAV4, Sienna, Solara\u003c\/li\u003e\n \t\u003cli\u003eLexus RX300, RX330\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eSymptoms of a failing underdrive outer piston:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul dir=\"auto\"\u003e\n \t\u003cli\u003eDelayed or no forward movement\u003c\/li\u003e\n \t\u003cli\u003eSlipping or flare on takeoff\u003c\/li\u003e\n \t\u003cli\u003eHarsh engagement when it finally grabs\u003c\/li\u003e\n \t\u003cli\u003eBurnt underdrive frictions on teardown\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eDon’t let a $50 piston destroy a $500 clutch pack — install the Stellar Automotive Group bonded underdrive outer piston and get moving strong from the start.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e All parts are distributed, not designed or manufactured, by Stellar Automotive Group.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAdd this essential U140\/U150\/U151 rebuild part to your cart today and drive with full confidence!\u003c\/p\u003e","brand":"Trans Parts Direct","offers":[{"title":"Default Title","offer_id":52425244868789,"sku":"57530 PAFT","price":39.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3872\/0181\/files\/57530-PAFT-scaled_1e19cbbb-0b84-4bf0-bb35-9e725c2872fa.jpg?v=1786619009","url":"https:\/\/transpartsdirect.com\/products\/stellar-automotive-group-u140-u150-u151-underdrive-clutch-outer-piston-fits-toyota","provider":"Trans Parts Direct","version":"1.0","type":"link"}