{"product_id":"4721950330-abs-trailer-modulator-relay-valve-assy-for-wabco-meritor-s4721950330","title":"4721950330 ABS Trailer Modulator Relay Valve Assy For Wabco Meritor S4721950330","description":"\u003cstrong\u003eThis ABS Trailer Modulator Relay Valve Assembly is a pneumatic component compatible with Wabco 4721950330 and Meritor S4721950330 systems.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003eThis ABS trailer modulator relay valve assembly controls air pressure modulation to trailer brakes during antilock braking events. It is a direct replacement for Wabco 4721950330 and Meritor S4721950330 part numbers, ensuring reliable braking performance on heavy-duty trailers.\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect fit replacement for OEM Wabco and Meritor modulator valves\u003c\/li\u003e\n\u003cli\u003eIntegrated relay and modulator function in one unit\u003c\/li\u003e\n\u003cli\u003eImproves trailer brake response and stability during ABS activation\u003c\/li\u003e\n\u003cli\u003eBuilt to meet OEM specifications for air brake systems\u003c\/li\u003e\n\u003cli\u003eIncludes mounting bracket and electrical connector\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing failed or worn ABS modulator valves on semi-trailers\u003c\/li\u003e\n\u003cli\u003eServicing air brake systems on heavy-duty trailers and trucks\u003c\/li\u003e\n\u003cli\u003eIntegrating into Wabco or Meritor ABS-equipped trailers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 4721950330 (Wabco), S4721950330 (Meritor)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e ABS Modulator Relay Valve Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Rating:\u003c\/strong\u003e 150 PSI max.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Sizes:\u003c\/strong\u003e SAE and NPT compatible\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this valve work with my Meritor WABCO trailer ABS system?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, it is designed as a direct cross-reference for both Wabco 4721950330 and Meritor S4721950330 part numbers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this assembly include the electrical solenoid connector?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, the valve comes with the required electrical connector for plug-and-play installation.\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":53679735669009,"sku":"ZZ3A00951","price":116.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_27e13731-62c7-41ec-bfdf-1271d0864685.jpg?v=1781654772","url":"https:\/\/www.duraforce.com\/products\/4721950330-abs-trailer-modulator-relay-valve-assy-for-wabco-meritor-s4721950330","provider":"DURAFORCE","version":"1.0","type":"link"}