{"product_id":"nylon-plc-plug-dot-1-2-push-to-connect-air-brake-port-plug-parker-639pmt8-177-11508","title":"Nylon PLC Plug - DOT 1\/2\" Push-to-Connect Air Brake Port Plug - Parker 639PMT8 177.11508","description":"\u003cp\u003eClose off an unused push-to-connect port for good with this \u003cstrong\u003eNylon PLC Plug\u003c\/strong\u003e distributed by FleetPro Parts \u0026amp; Tires. It seats into a \u003cstrong\u003e1\/2 in DOT push-to-connect fitting\u003c\/strong\u003e and seals it, which is exactly what a truck needs when a circuit gets rerouted, an accessory comes off the frame rail, or one leg of a manifold stops being used. An open or half-sealed port bleeds the system down overnight, keeps the compressor cycling, sets off the low-air buzzer on a cold morning, and can leave the spring brakes dragging on the first pull of the day. We stock these heavily right here in our Hanover Park, Illinois warehouse to ensure lightning-fast shipping for fleets, diesel repair shops, and owner-operators nationwide.\u003c\/p\u003e\n\n\u003ch2\u003eA Clean, Permanent Seal: The 1\/2 in Nylon PLC Plug Advantage\u003c\/h2\u003e\n\n\u003cp\u003eThis is a purpose-built \u003cstrong\u003enylon push-to-connect plug\u003c\/strong\u003e, not a shop-made stopper. It carries the same \u003cstrong\u003e1\/2 in\u003c\/strong\u003e tube profile the fitting was designed to grip, so the collet closes on the plug exactly the way it closes on a length of DOT nylon tubing. There is no thread sealant to cure, no flaring tool to dig out, no adapter stack to build, and no reason to cut the line back to fit a cap. Push it home, tug-test it, and the port is finished.\u003c\/p\u003e\n\n\u003cp\u003eBecause it belongs in \u003cstrong\u003eair brake plumbing on tractors and trailers\u003c\/strong\u003e, it meets \u003cstrong\u003eFMVSS 571.106 \/ DOT requirements for brake circuits\u003c\/strong\u003e — an important distinction the moment an inspector traces a plugged port back to a service or emergency line. At 0.1 lbs it costs almost nothing to keep a few in the toolbox, and having one on hand turns a bled-down, abandoned port into a two-minute fix. At FleetPro Parts \u0026amp; Tires, this plug is a direct replacement for the highly searched industry number \u003cstrong\u003eParker 639PMT8\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eVehicle Fitment \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis DOT air brake plug uses a universal design intended for the following commercial applications:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMake\/Model:\u003c\/strong\u003e Universal - Class 8 tractors, commercial trailers and vocational trucks\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Air brake plumbing on tractors and trailers\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePort Size:\u003c\/strong\u003e 1\/2 in push-to-connect (PLC)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e FMVSS 571.106 \/ DOT requirements for brake circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eDirect Replacement \u0026amp; Cross-Reference Numbers:\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eThis Automann plug serves as a direct replacement for the following part number:\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eParker Interchange:\u003c\/strong\u003e 639PMT8\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAutomann Distributor #:\u003c\/strong\u003e 177.11508\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Nylon Push-to-Connect (PLC) Plug\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTube Size:\u003c\/strong\u003e 1\/2 in\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Seals unused PLC ports\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e FMVSS 571.106 \/ DOT\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.1 lbs\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Dims:\u003c\/strong\u003e 1.9 x 0.58 x 0.58 in\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 889626030147\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Level:\u003c\/strong\u003e Fleet Standard Aftermarket\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Automann (Distributed by FleetPro Parts \u0026amp; Tires)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Automann","offers":[{"title":"Default Title","offer_id":43023802728519,"sku":"177.11508","price":2.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8035\/2583\/files\/image_1920_a22dd72b-f79c-4681-a3c6-d4590fbed45a.jpg?v=1785419224","url":"https:\/\/fleetpropt.com\/products\/nylon-plc-plug-dot-1-2-push-to-connect-air-brake-port-plug-parker-639pmt8-177-11508","provider":"FLEETPRO PARTS \u0026 TIRES ","version":"1.0","type":"link"}