{"product_id":"800519-mv3-dash-air-brake-control-valve-for-freightliner-kenworth-peterbilt","title":"800519 MV3 Dash Air Brake Control Valve for Freightliner Kenworth Peterbilt","description":"\u003cstrong\u003eThis Dash Air Brake Control Valve is a heavy-duty pneumatic control valve compatible with Freightliner, Kenworth, and Peterbilt trucks and matches OEM Part# 800519, MV-3.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e The 800519 MV-3 Dash Air Brake Control Valve is a pneumatic dash valve that actuates the tractor parking brakes and controls trailer air supply in commercial vehicles. This direct-fit replacement matches OEM specifications for Freightliner, Kenworth, and Peterbilt trucks, restoring correct air brake control. Heavy-duty construction ensures long service life under demanding road conditions. \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDirect OEM-style replacement for part numbers 800519 and MV-3\u003c\/li\u003e \u003cli\u003eModulates parking brake and trailer air supply from a single dash control\u003c\/li\u003e \u003cli\u003eRugged die-cast metal housing resists corrosion and vibration\u003c\/li\u003e \u003cli\u003eSmooth, precise pneumatic actuation for reliable daily use\u003c\/li\u003e \u003cli\u003ePre-set port configuration simplifies installation\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFreightliner heavy-duty trucks (Cascadia, Century Class, Columbia, etc.)\u003c\/li\u003e \u003cli\u003eKenworth heavy-duty trucks (T680, T800, W900, etc.)\u003c\/li\u003e \u003cli\u003ePeterbilt heavy-duty trucks (389, 579, etc.)\u003c\/li\u003e \u003cli\u003eOther commercial vehicles with OEM 800519\/MV-3 dash valve layout\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eEngaging and releasing tractor parking brakes\u003c\/li\u003e \u003cli\u003eControlling trailer air supply for air-ride and brake systems\u003c\/li\u003e \u003cli\u003eReplacing a faulty or leaking OEM dash air brake valve\u003c\/li\u003e \u003cli\u003eHeavy-duty truck repair and fleet maintenance\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 800519, MV-3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e MV-3 Dash Air Brake Control Valve\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Parking brake and trailer air supply control\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Dash-mounted push-pull knob\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heavy-duty metal and brass components\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What symptoms indicate I need a new MV-3 dash valve?\u003cstrong\u003e A:\u003c\/strong\u003e Air leaks from the dash valve, a knob that won’t stay pushed in, or inability to hold parking brake pressure typically signal a failing valve and require replacement.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this valve fit all Freightliner, Kenworth, and Peterbilt models?\u003cstrong\u003e A:\u003c\/strong\u003e It fits models originally equipped with the MV-3 dash valve and OEM part numbers 800519; always compare your existing valve configuration and part number before ordering.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679732130065,"sku":"ZZ3A00721","price":90.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_d75aab5c-dd0a-430a-8d7e-66b9ac2bb652.jpg?v=1781654654","url":"https:\/\/www.duraforce.com\/products\/800519-mv3-dash-air-brake-control-valve-for-freightliner-kenworth-peterbilt","provider":"DURAFORCE","version":"1.0","type":"link"}