{"product_id":"s21435-air-compressor-for-cummins-isl-isc-3966521-5301094rx","title":"S21435 Air Compressor for Cummins ISL ISC 3966521 5301094RX","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket replacement air compressor is intended for Cummins ISL and ISC applications and cross-references part numbers S21435, 3966521, 3966521RX, 3969110, and 5301094RX. An air compressor pressurizes air for the vehicle air system, supporting functions such as air braking and other air-operated components. It serves as a replacement for the corresponding compressor on the listed engine applications.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompresses air to supply the vehicle air system used by air brakes and related air-operated components\u003c\/li\u003e\n\u003cli\u003eCross-references part numbers S21435, 3966521, 3966521RX, 3969110, and 5301094RX for comparison with the existing unit\u003c\/li\u003e\n\u003cli\u003eSupplied for Cummins ISL and ISC engine applications\u003c\/li\u003e\n\u003cli\u003eUsed when servicing or replacing a worn or malfunctioning air compressor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003efor Cummins ISL applications\u003c\/li\u003e\n\u003cli\u003efor Cummins ISC applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn, leaking, or malfunctioning air compressor\u003c\/li\u003e\n\u003cli\u003eServicing the air system on the listed engine applications\u003c\/li\u003e\n\u003cli\u003eRestoring normal air supply after the original compressor has failed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Air Compressor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e S21435, 3966521, 3966521RX, 3969110, 5301094RX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Application(s):\u003c\/strong\u003e Cummins ISL, Cummins ISC\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does an air compressor do? \u003cstrong\u003eA:\u003c\/strong\u003e An air compressor pressurizes air for the vehicle air system, which supports air braking and other air-operated functions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How should fitment be verified? \u003cstrong\u003eA:\u003c\/strong\u003e Compare the complete existing part number and the full engine model designation against the numbers and applications listed here before purchase.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":67611548877073,"sku":"ZZ3P00716","price":690.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_bbd39383-d371-4483-8342-929fef7c0857.jpg?v=1790965488","url":"https:\/\/www.duraforce.com\/products\/s21435-air-compressor-for-cummins-isl-isc-3966521-5301094rx","provider":"DURAFORCE","version":"1.0","type":"link"}