{"product_id":"threlaco-car-a-c-repair-kit-270-piece-o-ring-compressor-gasket-set-r12-r134a-with-labeled-case","title":"Threlaco Car A\/C Repair Kit — 270-Piece O-ring \u0026 Compressor Gasket Set (R12\/R134a) with Labeled Case","description":"\u003cp\u003e\u003cstrong\u003eThrelaco's 270-piece car A\/C repair kit is a complete service set of HNBR O-rings, compressor gaskets, valve cores and dust caps designed to repair and seal R12 and R134a automotive air-conditioning systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis all-in-one kit groups commonly replaced A\/C sealing parts into a single organized case so DIY mechanics and professional technicians can quickly diagnose leaks, match the right size, and restore reliable refrigerant seals. The assortment includes 18 O-ring sizes (270 pieces), 60 compressor gasket seals, 77 dust caps and 39 valve cores, all stored in a labeled compartment tray with a clear size chart for fast part selection during repairs.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I find the correct O-ring or gasket for my vehicle?\u003c\/h3\u003e\n\u003cp\u003eMatch the worn part to the labeled visual size guide in the storage case and verify by comparing diameters and cross-sections. If you keep the old part, measure its inner diameter and thickness and select the closest HNBR O-ring or metal-rubber compressor gasket from the tray.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse the printed size chart in the dividers to match ID and cross-section.\u003c\/li\u003e\n  \u003cli\u003eCompare old part against sample slots before installing.\u003c\/li\u003e\n  \u003cli\u003eChoose HNBR O-rings for refrigerant lines and rubber-metal gaskets for compressor flanges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials are included and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eThrelaco includes HNBR O-rings, metal-thickened compressor gaskets with rubber washers, and brass\/aluminum valve cores to resist heat, ozone and refrigerant chemicals. Durable materials reduce premature degradation and help maintain leak-free seals under typical automotive pressures and temperatures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHNBR O-rings resist thermal breakdown and refrigerant exposure.\u003c\/li\u003e\n  \u003cli\u003eThickened metal gaskets preserve flat sealing surfaces under load.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant valve cores provide secure port sealing and serviceability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat repairs and maintenance tasks can I do with this kit?\u003c\/h3\u003e\n\u003cp\u003eThe kit supports common A\/C service tasks such as replacing leaking O-rings at hose fittings, swapping compressor flange gaskets, renewing dust caps, and installing new valve cores during system evacuation and recharge. It’s suited for leak repair, routine preventive maintenance, and topping-up seals after component replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace refrigerant line O-rings at fittings and junctions.\u003c\/li\u003e\n  \u003cli\u003eRenew compressor gaskets when changing compressors or clutch assemblies.\u003c\/li\u003e\n  \u003cli\u003eSwap valve cores and dust caps during service to secure ports and prevent contamination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the kit organized for efficient use in a shop or garage?\u003c\/h3\u003e\n\u003cp\u003eParts are arranged in a compartmentalized hard plastic case with each slot clearly labeled and a visual size guide printed on the lid. The layout reduces time spent searching for the right part, minimizes cross-contamination of small components, and keeps inventory visible for reordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompartment tray stores each size separately for quick selection.\u003c\/li\u003e\n  \u003cli\u003eVisual size chart on the lid speeds identification under workshop lighting.\u003c\/li\u003e\n  \u003cli\u003eCompact case fits in service carts or garage drawers for convenient access.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Threlaco 270-piece A\/C repair kit suits automotive DIYers, independent mechanics and fleet maintenance teams who handle R12 and R134a systems and need a broad, service-ready selection of seals and service parts. It’s particularly useful for technicians who prefer to keep a full range of O-rings, gaskets and valve cores on hand to complete on-the-spot repairs without waiting for individual parts to arrive.\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: Is this kit compatible with both R12 and R134a systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The O-rings, gaskets, valve cores and dust caps are selected to work with common fittings on R12 and R134a automotive A\/C systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the O-rings heat and chemical resistant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The O-rings are HNBR, formulated to resist heat, ozone and typical refrigerant chemicals for long-term durability.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Threlaco","offers":[{"title":"Default Title","offer_id":48083967672478,"sku":"B0CWV7FDW8","price":66.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/threlaco-front-case-open.jpg?v=1785841609","url":"https:\/\/northtrailauto.ca\/products\/threlaco-car-a-c-repair-kit-270-piece-o-ring-compressor-gasket-set-r12-r134a-with-labeled-case","provider":"North Trail Auto","version":"1.0","type":"link"}