{"product_id":"stellar-automotive-group-4l40e-5l40e-reverse-clutch-molded-piston-fits-gm","title":"Stellar Automotive Group 4L40E\/5L40E Reverse Clutch Molded Piston fits GM","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eStellar Automotive Group 4L40E\/5L40E Reverse Clutch Molded Piston – Compatible for GM \u0026amp; BMW 2000-2010\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFix delayed or no reverse, slipping in reverse, and burnt reverse clutches with this upgraded molded reverse clutch piston from Stellar Automotive Group.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis direct-replacement piston is the critical apply component for the reverse clutch pack in all 4L40E and 5L40E transmissions. The factory piston commonly cracks or loses its bond under heat and mileage, causing internal leakage that weakens reverse apply — leading to no reverse, harsh clunks, and rapid clutch failure. This molded piston with permanently bonded rubber seal restores full line pressure, delivers instant, firm reverse engagement, and protects your reverse 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\u003eChevrolet Trailblazer, SSR\u003c\/li\u003e\n \t\u003cli\u003eBMW 3 Series (E46), 5 Series (E39)\u003c\/li\u003e\n \t\u003cli\u003eCadillac CTS (early), Escalade (select)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eSymptoms of a failing reverse piston:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul dir=\"auto\"\u003e\n \t\u003cli\u003eDelayed or no reverse engagement\u003c\/li\u003e\n \t\u003cli\u003eSlipping or weak reverse\u003c\/li\u003e\n \t\u003cli\u003eHarsh clunk when reverse grabs\u003c\/li\u003e\n \t\u003cli\u003eBurnt reverse 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 molded reverse piston and get reverse back instantly.\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 4L40E\/5L40E rebuild part to your cart today and drive with full confidence!\u003c\/p\u003e","brand":"Trans Parts Direct","offers":[{"title":"Default Title","offer_id":52425244180661,"sku":"55730 PAFT","price":28.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3872\/0181\/files\/55730-PAFT-scaled.jpg?v=1786618901","url":"https:\/\/transpartsdirect.com\/products\/stellar-automotive-group-4l40e-5l40e-reverse-clutch-molded-piston-fits-gm","provider":"Trans Parts Direct","version":"1.0","type":"link"}