{"product_id":"castair-replacement-industrial-v-type-belt-section-a-length-52-3-a52","title":"Castair Replacement Industrial V-Type Belt Section A Length 52\" 3-A52","description":"\u003ch2\u003eCastair Replacement Industrial V-Belt — Section A, 52\" Length (3-A52)\u003c\/h2\u003e\n\u003cp\u003eThe Castair 3-A52 is a Section A industrial V-belt with a 52-inch outside circumference. If you are replacing the drive belt on a Castair compressor that takes a Section A, 52\" belt, this is the OEM replacement. The 52-inch length fits compressor models with a slightly wider motor-to-pump center distance than the 48-inch version — confirm your model's belt spec before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eManufacturer page data was not available for this listing. Specifications are based on the industry-standard belt designation. Call 866-217-0063 to confirm fitment.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eSection A V-Belt — What You Need to Know\u003c\/h2\u003e\n\u003ch3\u003eBelt Cross-Section Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSection A Profile:\u003c\/strong\u003e 1\/2\" top width, 5\/16\" depth — the standard mid-range industrial V-belt cross section\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e52\" Outside Circumference:\u003c\/strong\u003e Measure your existing belt around the outside to confirm this is the right length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3-A52 (Castair catalog) \/ A52 (industry standard call-out)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Belt-drive reciprocating air compressors in the Castair A-series product line\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMatching Belt to Compressor\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe correct belt length is determined by the center-to-center distance between the motor and pump pulleys\u003c\/li\u003e\n\u003cli\u003eAn incorrect belt length will either not fit over the pulleys, or will run too loose and slip\u003c\/li\u003e\n\u003cli\u003eAlways verify belt length by checking the service manual or measuring the old belt before ordering\u003c\/li\u003e\n\u003cli\u003eSection A and Section B belts are NOT interchangeable even if lengths match — the pulley groove profile must match the belt section\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhen to Replace\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCracking or checking on the belt surface:\u003c\/strong\u003e Replace before failure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBelt slipping under load:\u003c\/strong\u003e Can be tension or belt condition — inspect the belt surface when adjusting tension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrayed sidewalls or exposed cord:\u003c\/strong\u003e Replace immediately\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreventive maintenance:\u003c\/strong\u003e Inspect every 500 hours; replace every 1,000-2,000 hours on continuous-duty machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelated Castair Section A Belt Sizes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-A48\u003c\/strong\u003e — 48\" outside circumference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-A52\u003c\/strong\u003e — 52\" (this belt)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-A64\u003c\/strong\u003e — 64\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-A67\u003c\/strong\u003e — 67\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3-A52\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBelt Section:\u003c\/strong\u003e A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Circumference:\u003c\/strong\u003e 52 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Width:\u003c\/strong\u003e 1\/2\" (13mm nominal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 5\/16\" (8mm nominal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrice:\u003c\/strong\u003e $11.09\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy From OEM Diagnostic Tools?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecialist since 2016\u003c\/strong\u003e in air compressor parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree shipping\u003c\/strong\u003e on qualifying orders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree tech support at 866-217-0063\u003c\/strong\u003e — confirm fitment before ordering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull manufacturer warranty\u003c\/strong\u003e on Cast Air parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCall 866-217-0063 for quick answers and help!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Cast Air","offers":[{"title":"Default Title","offer_id":53342504911061,"sku":"3-A52","price":19.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/8466\/0949\/files\/beltb_55f06926-b354-4aa3-8f8f-7e04e82deaf6.jpg?v=1772652485","url":"https:\/\/aircompressorfactorydirect.com\/products\/castair-replacement-industrial-v-type-belt-section-a-length-52-3-a52","provider":"Air Compressor Factory Direct","version":"1.0","type":"link"}