{"product_id":"stellar-automotive-group-u540e-b2-4-clutch-bonded-piston-fits-toyota-lexus","title":"Stellar Automotive Group U540E B2-4 Clutch Bonded Piston fits Toyota Lexus","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eStellar Automotive Group U540E B2-4 Clutch Bonded Piston – Compatible for Toyota \u0026amp; Lexus 2005-2018\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFix harsh shifts, slipping in 2nd or 4th, and burnt B2\/B4 clutches with this precision bonded B2-4 piston from Stellar Automotive Group.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis direct-replacement piston is machined from durable aluminum with a permanently bonded rubber sealing lip that matches Toyota\/Lexus factory specs exactly. Original pistons commonly crack, split, or lose their bond over time, causing internal leakage and destroying the B2 brake band or B4 clutch pack. Installing this upgraded bonded piston during your U540E rebuild restores full apply pressure, delivers smooth and firm 2nd-to-4th transitions, and protects your investment.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eFits popular U540E models including:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul dir=\"auto\"\u003e\n \t\u003cli\u003eToyota Tacoma (2005-2015)\u003c\/li\u003e\n \t\u003cli\u003eToyota Highlander \u0026amp; Highlander Hybrid (2008-2018)\u003c\/li\u003e\n \t\u003cli\u003eToyota RAV4 (2006-2012)\u003c\/li\u003e\n \t\u003cli\u003eToyota Sienna (2007-2010)\u003c\/li\u003e\n \t\u003cli\u003eLexus RX330, RX350, RX400h (2004-2009)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eSymptoms of a failed B2-4 piston:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul dir=\"auto\"\u003e\n \t\u003cli\u003eSlipping or flare on 2-3 or 3-4 upshifts\u003c\/li\u003e\n \t\u003cli\u003eHarsh engagement into 4th gear\u003c\/li\u003e\n \t\u003cli\u003eBurnt B2 band or B4 clutches during teardown\u003c\/li\u003e\n \t\u003cli\u003eNo or delayed reverse when cold (shared circuit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eDon’t risk another rebuild on a weak piston — choose the Stellar Automotive Group bonded B2-4 piston for leak-free, long-lasting performance.\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 U540E rebuild part to your cart now and shift with confidence!\u003c\/p\u003e","brand":"Trans Parts Direct","offers":[{"title":"Default Title","offer_id":52425242345653,"sku":"141765 PAFT","price":44.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3872\/0181\/files\/141765-PAFT-scaled.jpg?v=1786618644","url":"https:\/\/transpartsdirect.com\/products\/stellar-automotive-group-u540e-b2-4-clutch-bonded-piston-fits-toyota-lexus","provider":"Trans Parts Direct","version":"1.0","type":"link"}