{"product_id":"cusco-type-a-high-pressure-radiator-cap-toyota-ae86","title":"AE86 CUSCO Type A High Pressure Radiator Cap (Corolla 1983–1987)","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eCUSCO Type A High Pressure Radiator Cap\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eFor \u003cstrong\u003e1983–1987 Toyota Corolla Levin \/ Sprinter Trueno AE86 4A-GE \u0026amp; 1985–1987 Toyota Corolla Sport GT-S AE86 4A-GE\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe CUSCO Type A High Pressure Radiator Cap is a direct-fit cooling-system upgrade for 4A-GE-powered Toyota AE86 applications. Its higher pressure setting increases the coolant's boiling point, providing additional temperature margin during demanding driving conditions.\u003c\/p\u003e\n\u003cp\u003eA reinforced pressure-valve spring and heat-resistant silicone sealing design help maintain cooling-system pressure while reducing coolant vapor and air-bubble formation that can reduce heat-transfer efficiency.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType A high-pressure radiator cap\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e1.3 kg\/cm² pressure rating\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eApproximate coolant boiling point of \u003cstrong\u003e126.5°C \/ 260°F\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigher pressure setting increases coolant boiling resistance\u003c\/li\u003e\n\u003cli\u003eReinforced main pressure-valve spring\u003c\/li\u003e\n\u003cli\u003eHeat-resistant silicone sealing design\u003c\/li\u003e\n\u003cli\u003eHelps reduce air-bubble formation within the cooling system\u003c\/li\u003e\n\u003cli\u003eDirect replacement for the correct Type A radiator-cap configuration\u003c\/li\u003e\n\u003cli\u003eDesigned for Toyota AE86 4A-GE cooling-system applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCooling System Performance\u003c\/h2\u003e\n\u003cp\u003eIncreasing cooling-system pressure raises the temperature at which coolant begins to boil. This provides additional protection against localized boiling and vapor formation inside the engine and radiator during elevated operating temperatures.\u003c\/p\u003e\n\u003cp\u003eMaintaining coolant in a liquid state helps preserve effective heat transfer through the engine and radiator, making this radiator cap particularly useful for performance-oriented, spirited-driving, and motorsport-focused AE86 builds.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla Levin \/ Sprinter Trueno\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1983–1987 Toyota Corolla Levin \/ Sprinter Trueno AE86 – \u003cstrong\u003eCorolla (E80)\u003c\/strong\u003e – 4A-GE  \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eToyota Corolla Sport GT-S\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1985–1987 Toyota Corolla Sport GT-S AE86 – \u003cstrong\u003eCorolla (E80)\u003c\/strong\u003e – 4A-GE \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eType A radiator-cap configuration\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eConfirm the radiator currently installed uses the same Type A cap shape before ordering.\u003c\/li\u003e\n\u003cli\u003eVerified AE86 application is for \u003cstrong\u003e4A-GE-equipped models\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSR5 \/ 4A-C fitment is not included in the verified application data used for this listing.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eCooling-system hoses, clamps, radiator, and related components should be inspected for deterioration or damage before installing a higher-pressure cap.\u003c\/li\u003e\n\u003cli\u003eAlways allow the engine and coolant to cool completely before removing or replacing a radiator cap.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e CUSCO\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e High Pressure Radiator Cap\u003cbr\u003e\u003cstrong\u003eDesign:\u003c\/strong\u003e Type A\u003cbr\u003e\u003cstrong\u003ePressure Rating:\u003c\/strong\u003e 1.3 kg\/cm²\u003cbr\u003e\u003cstrong\u003eApprox. Boiling Point:\u003c\/strong\u003e 126.5°C \/ 260°F\u003cbr\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Engine Cooling System\u003cbr\u003e\u003cstrong\u003eFit Type:\u003c\/strong\u003e Vehicle Specific \/ Direct Replacement\u003cbr\u003e\u003cstrong\u003eVehicle Platform:\u003c\/strong\u003e Toyota AE86\u003cbr\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e 4A-GE\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e(1) CUSCO Type A High Pressure Radiator Cap\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CUSCO","offers":[{"title":"Default Title","offer_id":53419375755573,"sku":null,"price":30.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/RadCusco.png?v=1788013823","url":"https:\/\/preserverad.com\/products\/cusco-type-a-high-pressure-radiator-cap-toyota-ae86","provider":"Preserve Rad","version":"1.0","type":"link"}