{"product_id":"acdelco-rc98-15-psi-radiator-surge-tank-cap-gm-original-equipment","title":"ACDelco RC98 15 PSI Radiator Surge Tank Cap | GM Original Equipment","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eIntroducing the ACDelco RC98 15 PSI Radiator Surge Tank Cap, a GM Original Equipment part designed to preserve cooling system integrity as your engine warms and cools. This cap sits atop the surge tank and helps manage the pressure inside the cooling circuit, supporting consistent operation during daily driving and seasonal shifts.\u003c\/p\u003e\n\n\u003ch3\u003eSmart fit for GM vehicles\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet the needs of many GM models, the RC98 is positioned as a GM-recommended replacement for your vehicle’s original factory cap. With GM OE-grade construction, it’s built to endure the temperature swings and road conditions drivers encounter.\u003c\/p\u003e\n\n\u003ch3\u003eWhat it does for your cooling system\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeals the surge tank and maintains proper cooling system pressure\u003c\/li\u003e\n\u003cli\u003eHelps raise the coolant's boiling point, supporting steady heat management\u003c\/li\u003e\n\u003cli\u003eOffers broad GM model coverage for easier sourcing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-life use and benefits\u003c\/h3\u003e\n\u003cp\u003eDuring hot summer commutes or long highway drives, the cap’s seal and pressure control can reduce coolant loss and help the system respond to rapid temperature changes. The 15 PSI rating reflects a practical balance between protective pressure and responsive cooling behavior.\u003c\/p\u003e\n\n\u003ch3\u003eGM OE quality you can rely on\u003c\/h3\u003e\n\u003cp\u003eAs a GM Original Equipment part, RC98 delivers the reliability and durability expected from GM OE components. It replaces worn or damaged factory caps and brings you back to a familiar, designed-for-your-vehicle fit.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrecise 15 PSI rating supports consistent cooling system pressure\u003c\/li\u003e\n\u003cli\u003eReliable sealing minimizes coolant loss during pressurization\u003c\/li\u003e\n\u003cli\u003eBroad compatibility with many GM models\u003c\/li\u003e\n\u003cli\u003eGM OE quality and design for dependable performance\u003c\/li\u003e\n\u003c\/ul\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 cap compatible with most GM vehicles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The RC98 is designed as a broad GM OE replacement and fits many GM models, making it a convenient choice for compatible GM vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What cooling system benefits can RC98 provide?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It helps seal the surge tank and maintain coolant pressure, supporting stable temperatures and efficient cooling.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":42466559426645,"sku":"B000IXRMSM","price":34.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/acdelco-rc98-radiator-surge-tank-cap.jpg?v=1778049745","url":"https:\/\/plentytorque.co.uk\/products\/acdelco-rc98-15-psi-radiator-surge-tank-cap-gm-original-equipment","provider":"PlentyTorque","version":"1.0","type":"link"}