{"product_id":"greddy-type-s-no-relief-radiator-cap-most-nissan-subaru-mazda-mitsubishi-some-toyota-polished","title":"GReddy Type-S No-Relief Radiator Cap | 13911010","description":"\u003ch2\u003eGReddy Type-S No-Relief Radiator Cap | 13911010\u003c\/h2\u003e\n\u003cp\u003eComplete your performance cooling system with the GReddy Type-S No-Relief Radiator Cap in a polished finish. Designed for applications using a GReddy radiator breather tank or compatible cooling system configuration, this solid radiator block-off cap provides a sealed connection without a conventional pressure-relief valve.\u003c\/p\u003e\n\u003cp\u003eUnlike standard radiator caps that regulate cooling system pressure, this no-relief design is intended to seal the radiator filler neck while pressure regulation is handled by the appropriate external breather tank system. Its polished finish and signature GReddy branding provide a clean, performance-inspired appearance for custom engine bays and upgraded cooling systems.\u003c\/p\u003e\n\u003cp\u003eDesigned for compatible Type-S radiator filler necks, this cap is commonly associated with Nissan, Subaru, Mazda, Mitsubishi, and select Toyota applications. Proper cooling system configuration is essential before installation.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine GReddy Type-S radiator block-off cap\u003c\/li\u003e\n\u003cli\u003eSolid construction with no pressure-relief valve\u003c\/li\u003e\n\u003cli\u003ePolished finish with GReddy branding\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible radiator breather tank systems\u003c\/li\u003e\n\u003cli\u003eType-S radiator filler neck compatibility\u003c\/li\u003e\n\u003cli\u003eIncludes an additional GReddy badge\u003c\/li\u003e\n\u003cli\u003eIdeal for custom and upgraded performance cooling systems\u003c\/li\u003e\n\u003cli\u003eGReddy part number 13911010\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: GReddy \/ TRUST\u003c\/li\u003e\n\u003cli\u003eProduct Type: Radiator Block-Off Cap\u003c\/li\u003e\n\u003cli\u003eCap Style: Type-S\u003c\/li\u003e\n\u003cli\u003eFinish: Polished\u003c\/li\u003e\n\u003cli\u003ePressure Relief: None\u003c\/li\u003e\n\u003cli\u003eApplication: Compatible radiator breather tank systems\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 13911010\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle Applications\u003c\/h3\u003e\n\u003cp\u003eThe GReddy Type-S cap design is commonly used with compatible cooling systems found on select Japanese performance vehicles, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNissan performance applications\u003c\/li\u003e\n\u003cli\u003eSubaru performance applications\u003c\/li\u003e\n\u003cli\u003eMazda performance applications\u003c\/li\u003e\n\u003cli\u003eMitsubishi performance applications\u003c\/li\u003e\n\u003cli\u003eSelect Toyota applications\u003c\/li\u003e\n\u003cli\u003eCustom cooling systems using compatible Type-S radiator filler necks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eVehicle compatibility depends on the radiator filler neck and cooling system configuration. A compatible Type-S filler neck alone does not establish that a no-relief cap is appropriate for your vehicle.\u003c\/p\u003e\n\u003ch3\u003eImportant Installation Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWarning:\u003c\/strong\u003e This is a solid radiator block-off cap without a pressure-relief valve. It is intended for cooling systems specifically designed to use an external breather tank or another appropriate pressure regulation arrangement.\u003c\/p\u003e\n\u003cp\u003eDo not install this cap as a direct replacement for a conventional pressure-relief radiator cap unless your cooling system has been designed for this configuration. Improper installation may result in excessive cooling system pressure, coolant leaks, or damage to cooling system components.\u003c\/p\u003e\n\u003cp\u003eGReddy notes that installation may feel tighter than the factory cap on some aftermarket aluminum radiators. Apply downward pressure while turning the cap to help engage the filler neck correctly.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne GReddy Type-S Polished No-Relief Radiator Cap\u003c\/li\u003e\n\u003cli\u003eOne additional GReddy badge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Buy GReddy from JD Customs USA?\u003c\/h3\u003e\n\u003cp\u003eJD Customs USA offers genuine GReddy performance products for enthusiasts building and maintaining high-performance Japanese vehicles. Selecting the correct radiator cap and cooling system components is essential, especially when upgrading to aftermarket radiators, breather tanks, or custom cooling configurations.\u003c\/p\u003e\n\u003cp\u003eOur team provides detailed product specifications and knowledgeable enthusiast support to help customers understand compatibility and installation requirements before ordering. Whether you're upgrading a Mitsubishi Evo, Nissan Skyline, Subaru WRX, or another performance platform, JD Customs USA is a trusted source for GReddy cooling system accessories and performance components.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine GReddy performance products\u003c\/li\u003e\n\u003cli\u003eAccurate manufacturer part numbers and specifications\u003c\/li\u003e\n\u003cli\u003eSupport for Japanese performance vehicle applications\u003c\/li\u003e\n\u003cli\u003eKnowledgeable assistance with cooling system components\u003c\/li\u003e\n\u003cli\u003eSecure ordering from an established performance parts retailer\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GReddy","offers":[{"title":"Default Title","offer_id":47403003216124,"sku":"GRE13911010","price":17.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1128\/7276\/files\/51f545c7e2359b3061c1ae67fb763c05L.png?v=1773385382","url":"https:\/\/jdcustomsusa.com\/products\/greddy-type-s-no-relief-radiator-cap-most-nissan-subaru-mazda-mitsubishi-some-toyota-polished","provider":"JD Customs U.S.A","version":"1.0","type":"link"}