{"product_id":"hero-genuine-piston-os-0-25-glamour-super-splendor-13102ktc305s","title":"Hero Genuine Piston O\/S 0.25 for Glamour \u0026 Super Splendor | Oversize Piston \/ Engine Piston 0.25 | 13102KTC305S","description":"\u003ch2\u003eHero Genuine Piston O\/S 0.25 for Glamour \u0026amp; Super Splendor | Oversize Piston \/ Engine Piston 0.25 | 13102KTC305S\u003c\/h2\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eRestore compression, piston-to-cylinder fit, and engine efficiency during rebuild work with the genuine Hero \u003cstrong\u003ePISTON O\/S (.25)\u003c\/strong\u003e, part number \u003cstrong\u003e13102KTC305S\u003c\/strong\u003e. Hero’s official store lists this exact SKU for \u003cstrong\u003eGlamour\u003c\/strong\u003e and \u003cstrong\u003eSuper Splendor\u003c\/strong\u003e and describes it as a precision-built oversize piston designed to maintain tight tolerances, reduce wear, and improve combustion performance.\u003c\/p\u003e\n\u003cp\u003eThis is the right replacement when the cylinder has been rebored for a \u003cstrong\u003e0.25 mm oversize piston\u003c\/strong\u003e and the old piston is worn, scored, noisy, or no longer holding proper compression. A genuine oversize piston matters because skirt profile, crown dimensions, material quality, and machining tolerances directly affect oil control, combustion consistency, and engine life.\u003c\/p\u003e\n\u003cp\u003eThis listing is intentionally customer-focused and conservative for return prevention. The strongest official fitment is \u003cstrong\u003eHero Glamour\u003c\/strong\u003e and \u003cstrong\u003eHero Super Splendor\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat This Product Is\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOfficial product identity:\u003c\/strong\u003e \u003cstrong\u003ePISTON O\/S (.25)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCustomer-friendly names:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eoversize piston 0.25\u003c\/li\u003e\n\u003cli\u003episton o\/s 0.25\u003c\/li\u003e\n\u003cli\u003eengine piston 0.25\u003c\/li\u003e\n\u003cli\u003erebore piston 0.25\u003c\/li\u003e\n\u003cli\u003eoversize engine piston\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Hero part number \u003cstrong\u003e13102KTC305S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOfficially listed by Hero as \u003cstrong\u003ePISTON O\/S (.25)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOfficial Hero fitment includes \u003cstrong\u003eGlamour\u003c\/strong\u003e and \u003cstrong\u003eSuper Splendor\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for \u003cstrong\u003e0.25 oversize \/ rebore\u003c\/strong\u003e engine repair work\u003c\/li\u003e\n\u003cli\u003eHero states it is optimized for engine efficiency and tight tolerances\u003c\/li\u003e\n\u003cli\u003eHelps reduce wear and improve combustion performance\u003c\/li\u003e\n\u003cli\u003eBuilt for smooth and reliable engine operation on the correct application\u003c\/li\u003e\n\u003cli\u003eOfficial Hero visible price is \u003cstrong\u003e₹315\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConfirmed Compatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOfficially listed for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHero Glamour\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHero Super Splendor\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSeller-supported references:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlamour \/ Super Splendor\u003c\/strong\u003e seller pages support the same SKU and product identity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment Note \/ Return Prevention Note\u003c\/h3\u003e\n\u003cp\u003eThe safest confirmed fitment is \u003cstrong\u003eHero Glamour\u003c\/strong\u003e and \u003cstrong\u003eHero Super Splendor\u003c\/strong\u003e because that is the direct official Hero mapping for this exact SKU. This part is an \u003cstrong\u003eoversize 0.25 piston\u003c\/strong\u003e, so buyers should not order it unless the cylinder has been measured and correctly rebored for the matching piston size.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, compare:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eexact part number \u003cstrong\u003e13102KTC305S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ebike model confirmation\u003c\/li\u003e\n\u003cli\u003ecorrect piston size: \u003cstrong\u003eO\/S 0.25\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003erebore \/ cylinder measurement confirmed by machinist or mechanic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat You Will Receive\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 x Hero Genuine Piston O\/S (.25)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e13102KTC305S\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuantity: \u003cstrong\u003e1 unit\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hero MotoCorp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 13102KTC305S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescription:\u003c\/strong\u003e PISTON O\/S (.25)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Glamour, Super Splendor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Oversize 0.25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Quantity:\u003c\/strong\u003e 1 unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMRP:\u003c\/strong\u003e ₹315\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Note\u003c\/h3\u003e\n\u003cp\u003eThis part should be installed only after correct cylinder measurement and rebore confirmation. Piston-to-bore clearance, ring end gap, piston orientation, and lubrication-side inspection should be checked during assembly. Professional engine rebuild installation is strongly recommended.\u003c\/p\u003e\n\u003ch3\u003eBuyer-Focused FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1. What is 13102KTC305S?\u003c\/strong\u003e\u003cbr\u003eIt is the genuine Hero \u003cstrong\u003ePISTON O\/S (.25)\u003c\/strong\u003e, an oversize piston used during engine rebuild work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2. Which bikes does it fit?\u003c\/strong\u003e\u003cbr\u003eThe strongest official fitment is \u003cstrong\u003eHero Glamour\u003c\/strong\u003e and \u003cstrong\u003eHero Super Splendor\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3. What does O\/S 0.25 mean?\u003c\/strong\u003e\u003cbr\u003eIt means \u003cstrong\u003eoversize 0.25\u003c\/strong\u003e, used when the cylinder has been rebored to match a 0.25 oversize piston.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4. Is this genuine Hero?\u003c\/strong\u003e\u003cbr\u003eYes. This exact SKU appears on Hero’s official store.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5. Can I use this in a standard bore engine?\u003c\/strong\u003e\u003cbr\u003eNo. This is meant for a correctly measured and rebored cylinder that requires an \u003cstrong\u003eO\/S 0.25\u003c\/strong\u003e piston.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6. What is the current price?\u003c\/strong\u003e\u003cbr\u003eThe visible official Hero price is \u003cstrong\u003e₹315\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ7. Is it sold as one piston?\u003c\/strong\u003e\u003cbr\u003eYes. The official listing shows \u003cstrong\u003e1 unit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ8. How do I confirm before ordering?\u003c\/strong\u003e\u003cbr\u003eMatch the exact part number \u003cstrong\u003e13102KTC305S\u003c\/strong\u003e and confirm your rebore size and bike application before purchase.\u003c\/p\u003e","brand":"Hero","offers":[{"title":"Default Title","offer_id":51378940444967,"sku":"13102KTC305S","price":290.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/Hero_Genuine_Piston_O_S_0.25_for_Glamour_Super_Splendor_Oversize_Piston_Engine_Piston_0.25_13102KTC305S.avif?v=1778327703","url":"https:\/\/underthehood.co.in\/products\/hero-genuine-piston-os-0-25-glamour-super-splendor-13102ktc305s","provider":"UNDER THE HOOD","version":"1.0","type":"link"}