{"product_id":"acdelco-gm-25040733-cv859c-pcv-valve-genuine-oem-nos-crankcase-vent-valve","title":"ACDelco GM 25040733 CV859C PCV Valve Genuine OEM NOS Crankcase Vent Valve","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"687\" data-start=\"113\"\u003eThe \u003cstrong data-end=\"167\" data-start=\"117\"\u003eGenuine ACDelco GM 25040733 PCV Valve (CV859C)\u003c\/strong\u003e is an OEM replacement \u003cstrong data-end=\"236\" data-start=\"190\"\u003ePositive Crankcase Ventilation (PCV) valve\u003c\/strong\u003e designed to regulate crankcase pressure and improve engine performance. Manufactured to General Motors' original specifications, this valve helps remove harmful blow-by gases from the crankcase, reducing sludge buildup while promoting cleaner engine operation and efficient emissions control. This genuine GM part is a direct replacement for compatible vehicles originally equipped with part number \u003cstrong data-end=\"648\" data-start=\"636\"\u003e25040733\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1025\" data-start=\"689\"\u003eBuilt with OEM-quality materials, the CV859C provides precise airflow regulation for proper crankcase ventilation. It helps maintain optimal engine vacuum, supports smooth idle, and contributes to improved fuel efficiency while protecting engine seals and gaskets from excessive crankcase pressure. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1311\" data-start=\"1027\"\u003eThis \u003cstrong data-end=\"1055\" data-start=\"1032\"\u003eNOS (New Old Stock)\u003c\/strong\u003e ACDelco PCV valve is ideal for maintenance, restoration, or replacing a worn or malfunctioning valve. Its direct-fit design ensures easy installation and dependable long-term performance in compatible GM applications. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"1335\" data-start=\"1318\" data-section-id=\"14at72t\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"1929\" data-start=\"1337\"\u003e\n\u003cli data-end=\"1424\" data-start=\"1337\" data-section-id=\"k2zri9\"\u003e\n\u003cstrong data-end=\"1813\" data-start=\"1790\"\u003eDirect Replacement:\u003c\/strong\u003e Installs easily with OEM fit and function.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1929\" data-start=\"1859\" data-section-id=\"w0wm6e\"\u003e\n\u003cstrong data-end=\"1879\" data-start=\"1861\"\u003eNOS Condition:\u003c\/strong\u003e New Old Stock genuine GM replacement component.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"1643\" data-start=\"1611\"\u003eImproves Engine Performance:\u003c\/strong\u003e Supports smooth idle and efficient combustion.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"1463\" data-start=\"1427\"\u003eEfficient Crankcase Ventilation:\u003c\/strong\u003e Removes blow-by gases to help keep the engine clean.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"1551\" data-start=\"1521\"\u003eOptimized Airflow Control:\u003c\/strong\u003e Maintains proper crankcase pressure and engine vacuum.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"1724\" data-start=\"1695\"\u003eDurable OEM Construction:\u003c\/strong\u003e Built for long-lasting reliability and consistent operation.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"1373\" data-start=\"1339\"\u003eGenuine GM \u0026amp; ACDelco OEM Part:\u003c\/strong\u003e Manufactured to original factory specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1955\" data-start=\"1936\" data-section-id=\"1qhk4i3\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2255\" data-start=\"1957\"\u003e\n\u003cli data-end=\"1996\" data-start=\"1957\" data-section-id=\"1jlnfor\"\u003e\n\u003cstrong data-end=\"2015\" data-start=\"1999\"\u003ePart Number:\u003c\/strong\u003e 25040733\u003c\/li\u003e\n\u003cli data-end=\"2057\" data-start=\"2027\" data-section-id=\"1e61rbk\"\u003e\n\u003cstrong data-end=\"2048\" data-start=\"2029\"\u003eACDelco Number:\u003c\/strong\u003e CV859C\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"1969\" data-start=\"1959\"\u003eBrand:\u003c\/strong\u003e ACDelco \/ General Motors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"2233\" data-start=\"2219\"\u003eCondition:\u003c\/strong\u003e NOS (New Old Stock)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong data-end=\"2134\" data-start=\"2117\"\u003eFitment Type:\u003c\/strong\u003e Direct OEM Replacement\u003c\/li\u003e\n\u003cli data-end=\"2114\" data-start=\"2058\" data-section-id=\"1pu7bct\"\u003e\n\u003cstrong data-end=\"2069\" data-start=\"2060\"\u003eType:\u003c\/strong\u003e Positive Crankcase Ventilation (PCV) Valve\u003c\/li\u003e\n\u003cli data-end=\"2216\" data-start=\"2160\" data-section-id=\"1joyltf\"\u003e\n\u003cstrong data-end=\"2178\" data-start=\"2162\"\u003eApplication:\u003c\/strong\u003e Engine Crankcase Ventilation System\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":51223725048110,"sku":"EB-254702707806","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/2417\/4638\/files\/57_8f08f37d-c8ff-4509-aba6-686e7a71c259.jpg?v=1761916808","url":"https:\/\/decoysupply.com\/products\/acdelco-gm-25040733-cv859c-pcv-valve-genuine-oem-nos-crankcase-vent-valve","provider":"Decoy Supply","version":"1.0","type":"link"}