{"product_id":"lostar-air-valve-knob-pair-chrome-screw-on-replacement-for-peterbilt-kenworth-freightliner-aluminum-corrosion-resistant","title":"LOSTAR Air Valve Knob Pair - Chrome Screw-On Replacement for Peterbilt, Kenworth \u0026 Freightliner, Aluminum Corrosion-Resistant","description":"\u003cp\u003e\u003cstrong\u003eLOSTAR air valve knob pair for tractor and trailer is a chrome-finish screw-on replacement designed to fit Peterbilt, Kenworth and Freightliner trucks with screw-style knobs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your rig uses screw-on style air valve knobs and you want a durable, corrosion-resistant set that clearly labels tractor and trailer controls, these replacement knobs from LOSTAR deliver a straightforward upgrade. The set includes two aluminum alloy knobs plus two stainless steel plaques finished in chrome, and they’re built to withstand daily use while maintaining a polished look.\u003c\/p\u003e\n\n\u003ch3\u003eWill these knobs fit my truck?\u003c\/h3\u003e\n\n\u003cp\u003eThese knobs are intended for trucks that use screw-on style air valve knobs—not pin-style actuators. They’re compatible with popular makes such as Peterbilt, Kenworth and Freightliner when the vehicle uses a threaded knob interface.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits screw-on type air valve stems only, not pin-style designs.\u003c\/li\u003e\n  \u003cli\u003eCompatible with many Peterbilt, Kenworth and Freightliner models that use threaded knobs.\u003c\/li\u003e\n  \u003cli\u003eIncludes separate tractor and trailer stainless-steel plaques for clear identification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and weather-resistant are these knobs?\u003c\/h3\u003e\n\n\u003cp\u003eThe knobs are machined from aluminum alloy and paired with chrome stainless-steel plaques for enhanced corrosion resistance and a long service life. They’re finished to resist road grime and exposure, but proper installation and routine inspection extend longevity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAluminum alloy body reduces weight and resists rust.\u003c\/li\u003e\n  \u003cli\u003eChrome surface finish and stainless plaques protect against corrosion.\u003c\/li\u003e\n  \u003cli\u003eBuilt and tested under quality control standards for dependable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and how easy is installation?\u003c\/h3\u003e\n\n\u003cp\u003eThe package contains two air valve knobs and two chrome stainless-steel plaques labeled for tractor and trailer use. Installation requires a screw-on replacement of existing threaded knobs and is straightforward for anyone familiar with basic truck component swaps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage: 2 aluminum alloy knobs and 2 chrome stainless plaques.\u003c\/li\u003e\n  \u003cli\u003eScrew-on installation—no pin adapters required when replacing threaded knobs.\u003c\/li\u003e\n  \u003cli\u003eWork in a ventilated area and follow vehicle maintenance guidelines while installing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and support come with this purchase?\u003c\/h3\u003e\n\n\u003cp\u003eLOSTAR backs these knobs with a 1-year unlimited-mileage quality guarantee and customer support for questions or issues. The warranty covers defects in material and workmanship under normal use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1-year unlimited-mileage quality guarantee from LOSTAR.\u003c\/li\u003e\n  \u003cli\u003eCustomer support available for fitment or product questions.\u003c\/li\u003e\n  \u003cli\u003eNew product shipped with tested performance expectations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Truck owners and fleet operators who need a reliable screw-on air valve knob replacement—especially drivers of Peterbilt, Kenworth and Freightliner rigs that use threaded knobs. This set is a good fit for technicians and DIY owners who want clear tractor\/trailer labeling, improved corrosion resistance, and a simple swap-in installation. If your truck uses pin-style valve knobs, select a compatible pin-style replacement instead.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these knobs fit pin-style air valves?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. These LOSTAR knobs are designed for screw-on (threaded) air valve stems and will not fit pin-style valves.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You receive two aluminum alloy air valve knobs and two chrome stainless-steel plaques labeled Tractor and Trailer.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LOSTAR","offers":[{"title":"Default Title","offer_id":67589785321657,"sku":"B0BQJ477HX","price":83.81,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/lostar-air-valve-knob-front-view.jpg?v=1790531763","url":"https:\/\/redleafauto.ca\/products\/lostar-air-valve-knob-pair-chrome-screw-on-replacement-for-peterbilt-kenworth-freightliner-aluminum-corrosion-resistant","provider":"Redleaf Auto","version":"1.0","type":"link"}