{"product_id":"3x-heater-fan-speed-a-c-control-knob-switch-for-1987-2011-peterbilt-121-0001-000","title":"3x Heater Fan Speed A\/C Control Knob Switch For 1987-2011 Peterbilt 121-0001-000","description":"\u003ch2\u003eHeater Fan Speed A\/C Control Knob Switch for Peterbilt\u003c\/h2\u003e\u003cp\u003eThis pack of three climate control knobs is designed to replace worn or broken switches on select heavy-duty trucks, cross-referencing OEM part number 121-0001-000.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis heater fan speed A\/C control knob switch offers a direct replacement for worn-out interior controls. Constructed to restore full tactile feedback, this heater fan speed A\/C control knob switch allows users to easily adjust cabin airflow and climate settings. It is designed for truck operators seeking to maintain functional dash controls during long hauls.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMolded from durable plastic to resist cracking and wear\u003c\/li\u003e\n\u003cli\u003eTextured grip surface prevents fingers from slipping during adjustment\u003c\/li\u003e\n\u003cli\u003eEngineered for a secure friction fit on the original switch shaft\u003c\/li\u003e\n\u003cli\u003eClear indicator marking ensures clear visibility of the current setting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Peterbilt models from 1987 to 2011\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing broken interior climate control knobs in commercial truck cabs\u003c\/li\u003e\n\u003cli\u003eRestoring full adjustment of the cabin heater and air conditioning blower speeds\u003c\/li\u003e\n\u003cli\u003eStandardizing fleet vehicle interior controls during routine cabin refits\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e121-0001-000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are tools required to install these replacement knobs? \u003cstrong\u003eA:\u003c\/strong\u003e No tools are typically required, as they press directly onto the existing control shafts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this control both heating and cooling functions? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it physically turns the switch shaft that regulates fan speed for both systems.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44787969720406,"sku":"ZZ2X01390","price":27.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_c112e6a9-5a30-4548-b9a3-18eff24821ea.jpg?v=1779892413","url":"https:\/\/www.solidspare.com\/products\/3x-heater-fan-speed-a-c-control-knob-switch-for-1987-2011-peterbilt-121-0001-000","provider":"Solid Spare","version":"1.0","type":"link"}