{"product_id":"stellar-automotive-group-4l40e-5l40e-direct-clutch-molded-piston-fits-gm","title":"4L40E\/5L40E Direct Clutch Molded Piston fits GM","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003e4L40E\/5L40E Direct Clutch Molded Piston – Compatible for GM \u0026amp; BMW 2000-2010\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eStop slipping in 3rd-4th gears, delayed upshifts, and burnt direct clutches with this upgraded molded direct clutch piston from Stellar Automotive Group.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis direct-replacement piston is the critical apply component for the direct 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 direct apply — leading to flare on upshifts, slipping under load, and rapid clutch failure. This molded piston with permanently bonded rubber seal restores full line pressure, delivers crisp 3rd-to-4th transitions, and protects your direct 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\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 direct clutch piston:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul dir=\"auto\"\u003e\n \t\u003cli\u003eFlare or slip on 3-4 upshift\u003c\/li\u003e\n \t\u003cli\u003eDelayed engagement in direct gear\u003c\/li\u003e\n \t\u003cli\u003eHarsh shifts when clutches finally grab\u003c\/li\u003e\n \t\u003cli\u003eBurnt direct 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 direct piston and shift strong through every gear.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eAdd this essential 4L40E\/5L40E rebuild part to your cart today and enjoy crisp, reliable shifts!\u003c\/p\u003e","brand":"Trans Parts Direct","offers":[{"title":"Default Title","offer_id":52425244278965,"sku":"55763 PAFT","price":46.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3872\/0181\/files\/55763-PAFT-scaled.jpg?v=1786618915","url":"https:\/\/transpartsdirect.com\/products\/stellar-automotive-group-4l40e-5l40e-direct-clutch-molded-piston-fits-gm","provider":"Trans Parts Direct","version":"1.0","type":"link"}