{"product_id":"air-brake-relay-valve-110139-for-heavy-duty-trucks-and-trailers","title":"Air Brake Relay Valve 110139 for Heavy-Duty Trucks and Trailers","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePart Name:\u003c\/strong\u003e Air Brake Service Relay Valve\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 110139\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVehicle Compatibility:\u003c\/strong\u003e Heavy-duty truck and semi-trailer pneumatic service-brake systems requiring the compatible Sealco-style four-delivery-port ratio relay valve.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Non-ABS service relay valve with four delivery ports and an integrated ratio feature for compatible multi-axle service brake systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFunction:\u003c\/strong\u003e Delivers compressed air rapidly from the reservoir to the service brake chambers in response to control pressure, reducing brake-response delay across the controlled axles.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Four-Port Service Relay Valve\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Sealco\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eControl Port:\u003c\/strong\u003e 3\/8 in. NPT\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAuxiliary Supply Port:\u003c\/strong\u003e 3\/8 in. NPT\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReservoir Port:\u003c\/strong\u003e 3\/4 in. NPT\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDelivery Ports:\u003c\/strong\u003e Four 3\/8 in. NPT\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNominal Crack Pressure:\u003c\/strong\u003e 4.5 PSI\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRatio Feature:\u003c\/strong\u003e Yes\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSAE J1860 Tag:\u003c\/strong\u003e RD045\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePreferred Application:\u003c\/strong\u003e One valve controlling two service axles\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSystem:\u003c\/strong\u003e Heavy-Duty Pneumatic Brake System\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Service Brake Air Delivery\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCross-References:\u003c\/strong\u003e Newstar S17736 \/ Meritor RSL110139 \/ Haldex 110139X \/ Automann 170.110139 \/ Euclid ESL110139\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Confirm original relay-valve number, port sizes, crack-pressure requirement and air-brake plumbing before installation. Do not apply this ratio-feature valve to converter dollies, lift axles or trailer turntable axles.\u003c\/p\u003e\u003ch2\u003eDelivery \u0026amp; Availability\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eStock Options:\u003c\/strong\u003e High-quality aftermarket \u0026amp; genuine-equivalent Sealco-style relay valves available\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMOQ:\u003c\/strong\u003e 1\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDelivery Time:\u003c\/strong\u003e 3–7 days\u003c\/p\u003e","brand":"CBT Auto Parts","offers":[{"title":"Default Title","offer_id":49893683069170,"sku":"1601557782279","price":385.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/0406\/2450\/files\/H875771142aeb4cbbbf706e1ee52e537a2.webp?v=1786041089","url":"https:\/\/cbtautoparts.com\/products\/air-brake-relay-valve-110139-for-heavy-duty-trucks-and-trailers","provider":"CBT Auto Parts","version":"1.0","type":"link"}