{"product_id":"801631-mv-3-dash-air-brake-control-valve-for-heavy-duty-trucks","title":"801631 MV-3 Dash Air Brake Control Valve - Durable OEM-Style","description":"\u003cp\u003eIn this review the 801631 MV-3 dash air brake control valve is examined for commercial truck operators who need a reliable, OEM-quality replacement for MV3 systems. The bottom line: this valve stands out for its one-piece Engineering Grade Composite housing and direct-fit compatibility with Bendix, Freightliner and Volvo part numbers, making it a practical choice for fleets seeking a durable, corrosion-resistant dash parking\/emergency valve that reduces plumbing complexity.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium OEM-Quality Replacement:\u003c\/strong\u003e Built to industry standards so it matches original equipment performance and keeps braking response predictable under heavy use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Piece Engineering Grade Composite:\u003c\/strong\u003e The EGC housing resists corrosion and wear, extending service life in harsh under-dash and cab environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Direct replacement for Bendix 5013293, 801631, BX801631, 745-5013293 and matching Freightliner and Volvo part numbers for easier parts sourcing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Dual Circuit Design:\u003c\/strong\u003e Controls tractor and trailer circuits independently with 3\/8' PTC port sizes, simplifying integration into dual-circuit systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultifunctional Integrated Controls:\u003c\/strong\u003e Combines emergency and parking brake functions in one two-button push-pull body, reducing plumbing and dash clutter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable and Easy to Install:\u003c\/strong\u003e Straightforward replacement fitment designed to minimize downtime and get vehicles back in service quickly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe 801631 MV-3 is aimed at fleet maintenance teams, owner-operators and repair shops that service Freightliner MV3, Bendix-equivalent systems or Volvo trucks needing a direct-fit dash parking valve. It is particularly suitable for heavy-duty trucks where corrosion resistance and reduced plumbing are priorities.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include owners of non-MV3 dash layouts or vehicles that require different port sizes or electrical-integrated control modules; verify the compatibility chart and button mounting style (screw-on for MV-3) before purchase.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM-quality build offers reliable braking control and consistent performance in heavy-duty use.\u003c\/li\u003e\n\u003cli\u003eOne-piece composite construction improves corrosion resistance and lowers long-term maintenance.\u003c\/li\u003e\n\u003cli\u003eDirect-fit compatibility with multiple Bendix, Freightliner and Volvo part numbers simplifies replacement.\u003c\/li\u003e\n\u003cli\u003eIntegrated dual functions reduce plumbing and make the dash layout neater.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot suitable if the vehicle uses an MV-2 style button mounting or a different port configuration, so fitment must be checked first.\u003c\/li\u003e\n\u003cli\u003eLimited to mechanical push-pull control systems; vehicles using electronic brake controls will need different components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e801631 MV-3 (MV3 dash control valve)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement Part Numbers\u003c\/td\u003e\n\u003ctd\u003eBendix 5013293, 801631, BX801631, 745-5013293; Freightliner BW5013293; Volvo BW801631\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eEngineering Grade Composite (one-piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eTwo-button push-pull dash parking and emergency control, dual circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Size\u003c\/td\u003e\n\u003ctd\u003e3\/8' PTC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eCompatible with Freightliner MV3 and Bendix MV3 configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 801631 MV-3 dash valve is a solid OEM-style replacement for fleets that need a corrosion-resistant, dual-circuit parking and emergency control with straightforward fitment to Bendix, Freightliner and Volvo part numbers. It provides good value for commercial operators wanting to reduce plumbing complexity and downtime, but confirm MV-3 button mounting before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm MV-3 vs MV-2?\u003c\/strong\u003e\u003cbr\u003eCheck how the buttons are mounted: screw-on buttons indicate MV-3, while a rolling pin style mounting indicates MV-2.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this replace existing dual-circuit systems?\u003c\/strong\u003e\u003cbr\u003eYes, the MV3 duplicates two or three-valve push-pull systems and reduces plumbing by combining supply and check functions in one unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs installation complicated?\u003c\/strong\u003e\u003cbr\u003eInstallation is generally straightforward for technicians familiar with MV3 systems; verify port sizes and fitment before replacing to avoid downtime.\u003c\/p\u003e","brand":"Misakomo","offers":[{"title":"Default Title","offer_id":48120192073947,"sku":"B0CWSKRHRC","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/616VG3LoM9L._AC_SL1500.jpg?v=1768454915","url":"https:\/\/gearmusthave.com\/products\/801631-mv-3-dash-air-brake-control-valve-for-heavy-duty-trucks","provider":"GearMustHave","version":"1.0","type":"link"}