{"product_id":"a2z-ch3-brass-core-housing-ag-grader","title":"A2Z-CH3 Brass Core Housing for Allfast Ag Grader Valve Stems","description":"\u003cp\u003eThe A2Z-CH3 is a replacement brass core housing for Allfast high-flow agricultural and road grader valve stems. It fits the full range of Allfast tractor and grader valves including the 218A, 618, 618A, 621A, 622A, and 623A. Built for reliable air and liquid passage in demanding field conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits Allfast valve stems 218A, 618, 618A, 621A, 622A, and 623A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass construction for corrosion resistance and long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Agricultural tractors, road graders, and heavy construction equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Maintains high-flow air and liquid passage in Allfast valve systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-Reference:\u003c\/strong\u003e 17-587.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eQ: What valve stems does the A2Z-CH3 core housing fit?\u003c\/strong\u003e\u003cbr\u003eThe A2Z-CH3 fits Allfast agricultural valve stems 218A, 618, 618A, 621A, 622A, and 623A — used in tractors and road graders.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: When should I replace the core housing on my Allfast valve?\u003c\/strong\u003e\u003cbr\u003eReplace the core housing if you notice air or liquid leaks that persist after replacing the core itself, or if the housing shows visible damage, corrosion, or thread wear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is the A2Z-CH3 brass or chrome?\u003c\/strong\u003e\u003cbr\u003eThe A2Z-CH3 is solid brass, providing corrosion resistance in agricultural and outdoor environments where moisture and chemicals are common.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can the A2Z-CH3 be used for liquid ballast valve systems?\u003c\/strong\u003e\u003cbr\u003eYes. The A2Z-CH3 is designed specifically for Allfast high-flow valves used in liquid-ballasted tractor and grader tires.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the cross-reference for the A2Z-CH3?\u003c\/strong\u003e\u003cbr\u003eThe A2Z-CH3 cross-references to 17-587.\u003c\/p\u003e","brand":"A2Z Tire Supplies","offers":[{"title":"1 Core","offer_id":47594989977822,"sku":"A2Z-CH3-1","price":8.85,"currency_code":"USD","in_stock":true},{"title":"10 Cores","offer_id":47594990010590,"sku":"A2Z-CH3-10","price":28.85,"currency_code":"USD","in_stock":true},{"title":"25 Cores","offer_id":47594990043358,"sku":"A2Z-CH3-25","price":58.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/0612\/1694\/files\/A2Z-CH3.jpg?v=1769334761","url":"https:\/\/a2ztiresupplies.com\/products\/a2z-ch3-brass-core-housing-ag-grader","provider":"A2Z Tire Supplies","version":"1.0","type":"link"}