{"product_id":"thermo-king-genuine-oem-compressor-throttling-valve-suction-screen-o-ring-seal-331221","title":"Thermo King Genuine OEM Compressor Throttling Valve \u0026 Suction Screen O-Ring Seal — 331221  (PACK OF 8)","description":"\u003cdiv class=\"n6owBd awi2gc\"\u003eMaintain absolute pressure containment within your transport refrigeration system with the \u003cstrong class=\"rQesXe MPyX\"\u003eThermo King Genuine OEM Compressor Throttling Valve \u0026amp; Suction Screen O-Ring Seal (Part 331221)\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e. Available as a bulk-savings \u003cstrong class=\"rQesXe MPyX\"\u003epack of 8\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e, these factory-original O-rings provide the critical airtight barrier required where the throttling valve and suction screen meet the main compressor housing. Molded from an advanced, low-permeability elastomer compound, they prevent expensive refrigerant leaks and block external atmospheric moisture from contaminating your cooling loop. Swapping these single-use seals during routine suction screen cleanings protects your compressor from high-pressure stress, ensuring your reefer maintains peak cooling efficiency over long cross-country hauls.\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003chr class=\"s6NV4e\"\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e⭐ Key Features \u0026amp; Benefits\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eGenuine OEM Precision:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Engineered specifically to meet factory-rated thickness and durometer tolerances, preventing the premature compression sets common in generic rings.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eRefrigerant \u0026amp; Oil Compatible:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Formulated from specialized elastomers that stand up to continuous exposure to modern synthetic oils and synthetic refrigerants like R404A and R452A.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eBulk Pack of 8:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Ideal inventory pack for high-volume service shops, mobile tech trucks, and fleet depots conducting multi-unit compressor overhauls.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eLeak-Free Resilience:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Retains its sealing profile under radical thermal fluctuations ranging from freezing cargo modes to intense engine bay heat.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003ePrevents Pressure Drops:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Eliminates minute vacuum micro-leaks at the compressor inlet, protecting the system from low-pressure shutdowns.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003chr class=\"s6NV4e\"\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e🔧 Uses \/ Applications\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eSuction Screen Servicing:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Essential replacement seals whenever the compressor suction screen is pulled for routine metal debris inspection.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eThrottling Valve Rebuilds:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Forms the primary mechanical face seal during installation or replacement of the compressor throttling valve (TV).\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eReefer Trailer Maintenance:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Fits high-capacity trailer and container refrigeration systems utilizing X214, X426, and X430 reciprocating compressor lines.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\n\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003ePreventative Fleet Overhauls:\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e Keeps your parts cage stocked with high-turnover seals required for everyday preventive maintenance schedules.\u003c!--TgQPHd|||[]--\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/li\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003chr class=\"s6NV4e\"\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e📊 Technical Specifications\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"Fv6NCb\"\u003e\n\u003ctable class=\"NRefec\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003cth class=\"iry6k\" colspan=\"undefined\"\u003eSpecification\u003c!--TgQPHd|||[]--\u003e\n\u003c\/th\u003e\n\u003cth class=\"iry6k\" colspan=\"undefined\"\u003eDetail\u003c!--TgQPHd|||[]--\u003e\n\u003c\/th\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003ePart Type\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003eCompressor Throttling Valve \u0026amp; Suction Screen O-Ring\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003ePosition\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003eCompressor Inlet \/ Throttling Valve Housing Face\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003ePart Number\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e331221 \/ 33-1221 \/ 33-0221 \/ 331221TKA\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003eMaterial\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003ePremium Low-Permeability Fluoropolymer Elastomer\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003eFitment\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003eDirect-Fit OEM Thermo King Compressor Platforms\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003eCondition\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003eBrand New (Genuine OEM Overstock \/ Bulk Pack Liquidation)\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003eInstallation\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003eDrop-In Channel Seating (Lubricate with Compressor Oil Prior to Assembly)\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!--TgQPHd|||[[1,0,0,2,null,\u0026quot;\u0026quot;]]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003chr class=\"s6NV4e\"\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e🔄 Cross-Reference \/ Interchange Table\u003c!--TgQPHd|||[]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003cdiv class=\"Fv6NCb\"\u003e\n\u003ctable class=\"NRefec\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003cth class=\"iry6k\" colspan=\"undefined\"\u003eManufacturer\u003c!--TgQPHd|||[]--\u003e\n\u003c\/th\u003e\n\u003cth class=\"iry6k\" colspan=\"undefined\"\u003eEquivalent Part Number\u003c!--TgQPHd|||[]--\u003e\n\u003c\/th\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003eOEM (Thermo King)\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e331221, 33-1221, 33-221, 331221TKA, TK331221\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003eAssociated Components\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e221008 (Compressor Throttling Valve), 664971 (Suction Screen)\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003eCompatible Compressors\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003eThermo King X214, X418, X426, X430 Series\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"cZCYO\"\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003e\n\u003cstrong class=\"rQesXe MPyX\"\u003eAdditional Notes\u003c!--TgQPHd|||[]--\u003e\u003c\/strong\u003e\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003ctd class=\"cOeeGf\" colspan=\"undefined\"\u003eSold as an 8-piece pack. Always clean and verify the machining channel groove is free of old rubber residue before applying the new seal.\u003c!--TgQPHd|||[]--\u003e\n\u003c\/td\u003e\n\u003c!--TgQPHd|||[]--\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!--TgQPHd|||[[1,0,0,2,null,\u0026quot;\u0026quot;]]--\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e\n\u003chr class=\"s6NV4e\"\u003e\n\u003cdiv class=\"yhAwj\"\u003e\u003c!--TgQPHd|||[]--\u003e\u003c\/div\u003e","brand":"E166 Thermo King","offers":[{"title":"Default Title","offer_id":49194328228059,"sku":null,"price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0504\/9578\/3088\/files\/rn-image_picker_lib_temp_e519832b-7c98-4122-b2e6-afc4b5650fda.jpg?v=1788277687","url":"https:\/\/freemanliquidators.com\/products\/thermo-king-genuine-oem-compressor-throttling-valve-suction-screen-o-ring-seal-331221","provider":"Freeman Liquidators","version":"1.0","type":"link"}