{"product_id":"carrier-321454-751-for-25hcc524a0030010","title":"Carrier Piston Tool Kit 321454-751 for 25HCC524A0030010","description":"\u003cp\u003eDirect factory replacement \u003cb\u003e321454-751\u003c\/b\u003e for the Carrier \u003cb\u003e25HCC524A0030010\u003c\/b\u003e, matched to the original build sheet. Fitment guaranteed — free returns if it doesn't fit.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Number\u003c\/td\u003e\n\u003ctd\u003e321454-751\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eCarrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew — genuine OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eSymptoms of a failing hvac part\u003c\/h3\u003e\u003cp\u003eWatch for: The unit fails to complete its normal cycle, visible wear, corrosion, or heat damage on the part, intermittent operation that worsens. Catching it early protects the components around it.\u003c\/p\u003e\u003ch3\u003eReplacement guide\u003c\/h3\u003e\u003cp\u003eSwap the part, torque fasteners evenly, and route wires away from hot or moving surfaces. Run a complete cycle and verify normal operation before closing the panel.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cb\u003eIs this the exact OEM part for my 25HCC524A0030010?\u003c\/b\u003e Yes — verified factory fitment for that model.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eNot sure of your model?\u003c\/b\u003e Chat with Mike with the number from your unit's nameplate and we'll confirm before you order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":63832105615731,"sku":"CARRIE-25HCC524A0030010-321454-751","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/321454-751_STD_001_548f3a8e-93bc-4a26-a6a1-b0ea539fa49a.jpg?v=1785696102","url":"https:\/\/nationalhvacparts.com\/products\/carrier-321454-751-for-25hcc524a0030010","provider":"National HVAC Parts","version":"1.0","type":"link"}