{"product_id":"harley-x440-mavrick-440-front-brake-caliper-piston-set-hdh06451-aca-000","title":"Harley X440 \/ X440 OBDII \/ X440T \/ X440X \/ Mavrick 440 Front Brake Caliper Piston Set OEM | HDH06451ACA000","description":"\u003cp\u003e\u003cstrong\u003eReplace worn, seized, leaking, or damaged front brake caliper pistons with this OEM front brake caliper piston set for Harley X440 and Hero Mavrick 440 platform motorcycles.\u003c\/strong\u003e Part number \u003cstrong\u003eHDH06451-ACA-000\u003c\/strong\u003e is listed as \u003cstrong\u003ePISTON SET\u003c\/strong\u003e in the brake caliper group. In buyer language, this is best understood as a \u003cstrong\u003efront brake caliper piston set\u003c\/strong\u003e, \u003cstrong\u003efront caliper piston kit\u003c\/strong\u003e, or \u003cstrong\u003efront brake piston set\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis part is used inside the \u003cstrong\u003efront brake caliper assembly\u003c\/strong\u003e. If the front brake is dragging, caliper pistons are jammed, the piston surface is corroded or scored, or the caliper is being rebuilt after wear or damage, replacing the piston set is often part of a proper repair.\u003c\/p\u003e\n\u003cp\u003eThis listing is written to be easier for customers to understand. Instead of only using the factory term \u003cstrong\u003ePISTON SET\u003c\/strong\u003e, it also uses the common buyer names: \u003cstrong\u003efront brake caliper piston set\u003c\/strong\u003e, \u003cstrong\u003efront caliper piston kit\u003c\/strong\u003e, and \u003cstrong\u003efront brake piston set\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility as requested:\u003c\/strong\u003e Harley X440, X440 OBDII, X440T, X440X, and Hero Mavrick 440. Before ordering, please match your old part, caliper design, and exact bike application. Brake parts should never be purchased only by guess or by symptom alone.\u003c\/p\u003e\n\u003cp\u003eThis listing is for the \u003cstrong\u003efront brake caliper piston set only\u003c\/strong\u003e. Do not assume it includes caliper seals, dust boots, slide pins, brake pads, caliper bracket, complete caliper, brake hose, or mounting hardware unless separately stated.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine OEM front brake caliper piston set\u003c\/li\u003e\n\u003cli\u003ePart number: HDH06451-ACA-000\u003c\/li\u003e\n\u003cli\u003eFactory description: PISTON SET\u003c\/li\u003e\n\u003cli\u003eBuyer language: front brake caliper piston set \/ front caliper piston kit\u003c\/li\u003e\n\u003cli\u003eUsed in the front brake caliper assembly\u003c\/li\u003e\n\u003cli\u003eSuitable for caliper repair or rebuild work\u003c\/li\u003e\n\u003cli\u003eUseful when old pistons are scored, seized, corroded, or leaking after damage\u003c\/li\u003e\n\u003cli\u003eClear return-prevention copy for a technical brake component\u003c\/li\u003e\n\u003cli\u003eHelps buyers understand this is an internal caliper part, not a complete caliper\u003c\/li\u003e\n\u003cli\u003eOEM-style fit for the listed applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel \/ Variant\u003c\/th\u003e\n\u003cth\u003eFitment Status\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eX440\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFront brake caliper piston set application.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eX440 OBDII\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFront brake caliper piston set application.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eX440T\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFront brake caliper piston set application.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eX440X\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eUse old part match before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHero\u003c\/td\u003e\n\u003ctd\u003eMavrick 440\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eUse old part match before ordering.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x HDH06451-ACA-000 – Front Brake Caliper Piston Set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Maintenance Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis listing is for the \u003cstrong\u003episton set only\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIt is \u003cstrong\u003enot\u003c\/strong\u003e a complete front brake caliper.\u003c\/li\u003e\n\u003cli\u003ePlease match the old part and caliper design before ordering.\u003c\/li\u003e\n\u003cli\u003eInspect seals, dust boots, caliper bore condition, pads, and brake fluid condition during rebuild.\u003c\/li\u003e\n\u003cli\u003eBrake work should be done carefully and correctly. If unsure, use a qualified mechanic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBefore You Order\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This is an \u003cstrong\u003einternal front brake caliper part\u003c\/strong\u003e. It is not the full caliper, not the caliper bracket, and not the brake pad set.\u003c\/p\u003e\n\u003cp\u003eIf your brake issue is only weak braking, dragging, or noise, do not order this part only on assumption. Confirm that the pistons are actually worn, damaged, or seized before purchase.\u003c\/p\u003e\n\u003ch3\u003eWhy Buy From Under The Hood\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuyer-friendly naming for technical OEM parts\u003c\/li\u003e\n\u003cli\u003eClear explanation of what the part actually does\u003c\/li\u003e\n\u003cli\u003eHelpful distinction between piston set and complete caliper parts\u003c\/li\u003e\n\u003cli\u003eBetter for workshops and customers who need exact brake rebuild parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1. What is HDH06451-ACA-000?\u003c\/strong\u003e\u003cbr\u003e It is the OEM \u003cstrong\u003efront brake caliper piston set\u003c\/strong\u003e, listed by the factory as \u003cstrong\u003ePISTON SET\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is this a complete front caliper?\u003c\/strong\u003e\u003cbr\u003e No. This is only the \u003cstrong\u003episton set\u003c\/strong\u003e used inside the front brake caliper.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Are seals or rubber parts included?\u003c\/strong\u003e\u003cbr\u003e Do not assume that. This listing is only for the piston set unless other items are separately stated.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Which bikes is this listed for?\u003c\/strong\u003e\u003cbr\u003e This listing is made for \u003cstrong\u003eHarley X440, X440 OBDII, X440T, X440X, and Hero Mavrick 440\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. When should this part be replaced?\u003c\/strong\u003e\u003cbr\u003e Replace it when caliper pistons are seized, corroded, leaking after damage, scored, or worn during caliper rebuild.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Is this front or rear brake related?\u003c\/strong\u003e\u003cbr\u003e This is for the \u003cstrong\u003efront brake caliper\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. What should be checked before ordering?\u003c\/strong\u003e\u003cbr\u003e Please confirm the exact bike application, old part match, and whether you need only the piston set or a complete caliper repair kit.\u003c\/p\u003e","brand":"Harley-Davidson","offers":[{"title":"Default Title","offer_id":51178283073831,"sku":"HDH06451-ACA-000","price":129.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/F5CF7822-A72B-458D-A82E-B524067669E9.jpg?v=1774517457","url":"https:\/\/underthehood.co.in\/products\/harley-x440-mavrick-440-front-brake-caliper-piston-set-hdh06451-aca-000","provider":"UNDER THE HOOD","version":"1.0","type":"link"}