{"product_id":"722-9-bonded-piston-kit-3pc-k1-b1-b3-for-mercedes-05-up","title":"722.9 Bonded Piston Kit (3pc K1\/B1\/B3) for Mercedes (05-Up)","description":"\u003cp dir=\"auto\"\u003eThis 722.9 Bonded Piston Kit for Mercedes 2005-Up is the complete high-quality 3-piece solution (K1, B1 \u0026amp; B3) for your 7G-Tronic automatic transmission. With OEM reference K136900-99, these bonded pistons are a direct replacement that restores factory-level clutch apply and hydraulic sealing.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eOver time the original bonded rubber hardens, cracks, or leaks, leading to the most common 722.9 complaints: slipping during acceleration, harsh or delayed shifts, erratic engagement, and sudden loss of 3rd gear or neutral condition (especially K1 clutch). Installing this kit during a rebuild or repair eliminates these problems and helps prevent premature clutch wear for reliable long-term performance.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003ePerfect for professional shops and experienced DIYers working on 2005 and newer Mercedes-Benz vehicles equipped with the 722.9 transmission. This precision set installs easily with no modifications required, bringing your Mercedes back to smooth, dependable shifting. All parts distributed by Stellar Automotive Group.\u003c\/p\u003e\n\n\u003cul\u003e\n \t\u003cli dir=\"auto\"\u003eComplete 3-piece bonded piston kit (K1, B1 \u0026amp; B3) with OEM reference K136900-99 for Mercedes 722.9 7G-Tronic transmissions\u003c\/li\u003e\n \t\u003cli dir=\"auto\"\u003eDirect drop-in replacement restores proper clutch sealing and hydraulic pressure in the most common wear areas\u003c\/li\u003e\n \t\u003cli dir=\"auto\"\u003eFixes frequent 722.9 issues including K1 piston failure that causes loss of 3rd gear\/neutral, slipping, harsh shifts, and delayed engagement\u003c\/li\u003e\n \t\u003cli dir=\"auto\"\u003ePremium molded rubber pistons prevent leaks and deliver firm, smooth shifting performance\u003c\/li\u003e\n \t\u003cli dir=\"auto\"\u003eEssential upgrade for any 722.9 transmission rebuild or major service on 2005 and newer models\u003c\/li\u003e\n \t\u003cli dir=\"auto\"\u003eFits Mercedes-Benz C-Class, E-Class, S-Class, ML\/GL, CLS, SLK, CLK, and more equipped with 722.9\u003c\/li\u003e\n \t\u003cli dir=\"auto\"\u003eAll parts distributed by Stellar Automotive Group\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Trans Parts Direct","offers":[{"title":"Default Title","offer_id":52425110028469,"sku":"G-8722-9","price":163.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/3872\/0181\/files\/New-7229-Bonded-Piston-Kit-3-pc-set-Fits-Mercedes-K136900-99-291885239763.jpg?v=1786608783","url":"https:\/\/transpartsdirect.com\/products\/722-9-bonded-piston-kit-3pc-k1-b1-b3-for-mercedes-05-up","provider":"Trans Parts Direct","version":"1.0","type":"link"}