{"product_id":"tgk-motorsport-ea824-rear-coolant-port","title":"TGK Motorsport Audi EA824 4.0T Rear Coolant Port","description":"\u003cdiv class=\"tgk\"\u003e\n\u003cdiv class=\"tgk-section\"\u003e\n\u003cdiv class=\"tgk-sh\"\u003e\n\u003cdiv class=\"tgk-ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M7 2h2v2h6V2h2v2h1a2 2 0 012 2v1h-2v1h2v4h-2v1h2v1a2 2 0 01-2 2h-1v2h-6v2H9v-2H7v2H5v-2H4a2 2 0 01-2-2v-1h2v-1H2V9h2V8H2V7a2 2 0 012-2h1V3h2V2zm1 4a1 1 0 00-1 1v8a1 1 0 001 1h8a1 1 0 001-1V7a1 1 0 00-1-1H8zm2 2h4v6h-4V8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"tgk-sh-title\"\u003eOverview\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"tgk-p\"\u003eThe factory plastic rear coolant port on 2010-2018 Audi S6, RS6, S7, RS7, A8, and S8 C7\/D4 4.0T EA824 engines is a known failure point, causing coolant leaks that can lead to overheating and catastrophic engine damage. The OEM plastic construction deteriorates over time due to thermal cycling and coolant chemistry, creating stress cracks that compromise system integrity.\u003c\/p\u003e\n\u003cp class=\"tgk-p\"\u003eTGK Motorsport's EA824 rear coolant port eliminates this vulnerability with precision-machined 6061 billet aluminum construction. Our port delivers lifetime reliability while maintaining OEM sealing interfaces and coolant flow characteristics for seamless integration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-section\"\u003e\n\u003cdiv class=\"tgk-sh\"\u003e\n\u003cdiv class=\"tgk-ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M3 3h18v2H3V3zm0 4h12v2H3V7zm0 4h18v2H3v-2zm0 4h12v2H3v-2zm0 4h18v2H3v-2z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"tgk-sh-title\"\u003eSpecifications\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable class=\"tgk-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible vehicles\u003c\/td\u003e\n\u003ctd\u003e2010-2018 Audi S6 RS6 S7 RS7 A8 S8 C7 D4 4.0T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e6061 Billet Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLifetime structural warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-section\"\u003e\n\u003cdiv class=\"tgk-sh\"\u003e\n\u003cdiv class=\"tgk-ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M13 2L3 14h9l-1 8 10-12h-9l1-8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"tgk-sh-title\"\u003eConfiguration Options\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable class=\"tgk-cmp\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cbr\u003e\u003c\/th\u003e\n\u003cth class=\"th-teal\"\u003eOE Plastic\u003c\/th\u003e\n\u003cth class=\"th-org\"\u003e6061 Aluminum\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd class=\"ct\"\u003eOEM Plastic\u003c\/td\u003e\n\u003ctd class=\"co\"\u003e6061 Billet Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDurability\u003c\/td\u003e\n\u003ctd class=\"ct\"\u003eStandard\u003c\/td\u003e\n\u003ctd class=\"co\"\u003eLifetime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature resistance\u003c\/td\u003e\n\u003ctd class=\"ct\"\u003eLimited\u003c\/td\u003e\n\u003ctd class=\"co\"\u003eSuperior\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCost\u003c\/td\u003e\n\u003ctd class=\"ct\"\u003eLower\u003c\/td\u003e\n\u003ctd class=\"co\"\u003ePremium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd class=\"ct\"\u003eBudget replacement\u003c\/td\u003e\n\u003ctd class=\"co\"\u003ePerformance builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-section\"\u003e\n\u003cdiv class=\"tgk-sh\"\u003e\n\u003cdiv class=\"tgk-ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M13 2L3 14h9l-1 8 10-12h-9l1-8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"tgk-sh-title\"\u003eFeatures \u0026amp; Benefits\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feats\"\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003e6061 Billet Construction\u003c\/b\u003ePrecision-machined from aerospace-grade aluminum for maximum durability and thermal stability.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003eLeak-Proof Design\u003c\/b\u003eEliminates the common failure point of factory plastic ports that crack under thermal stress.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003eOEM Fitment\u003c\/b\u003eDirect bolt-on replacement with identical mounting points and coolant routing for seamless installation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003eSuperior Heat Dissipation\u003c\/b\u003eAluminum construction provides better thermal conductivity than plastic for improved cooling efficiency.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003eCorrosion Resistant\u003c\/b\u003eAnodized finish prevents oxidation and maintains appearance over time in harsh engine bay conditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat\"\u003e\n\u003cdiv class=\"tgk-feat-chk\"\u003e✓\u003c\/div\u003e\n\u003cdiv class=\"tgk-feat-txt\"\u003e\n\u003cb\u003eComplete Hardware Kit\u003c\/b\u003eIncludes all necessary seals and fasteners for professional installation right out of the box.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-section\"\u003e\n\u003cdiv class=\"tgk-sh\"\u003e\n\u003cdiv class=\"tgk-ic\"\u003e\u003csvg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M22.7 19l-9.1-9.1c.9-2.3.4-5-1.5-6.9-2-2-5-2.4-7.4-1.3L9 6 6 9 1.6 4.7C.4 7.1.9 10.1 2.9 12.1c1.9 1.9 4.6 2.4 6.9 1.5l9.1 9.1c.4.4 1 .4 1.4 0l2.3-2.3c.5-.4.5-1.1.1-1.4z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"tgk-sh-title\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-item\"\u003e\n\u003cdiv class=\"tgk-faq-q\"\u003eWhy does the factory plastic coolant port fail?\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-a\"\u003eThe OEM plastic port degrades from thermal cycling between hot and cold temperatures, combined with exposure to coolant chemicals. Over time, this causes stress cracks that lead to coolant leaks and potential engine damage.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-item\"\u003e\n\u003cdiv class=\"tgk-faq-q\"\u003eWhat's the difference between the OE plastic and aluminum options?\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-a\"\u003eThe OE plastic option is a direct replacement using factory-spec materials for budget builds. The 6061 aluminum version offers superior durability, better heat dissipation, and lifetime reliability for performance applications.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-item\"\u003e\n\u003cdiv class=\"tgk-faq-q\"\u003eDoes this require any modifications to install?\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-a\"\u003eNo modifications required. This is a direct bolt-on replacement that uses the same mounting points and coolant connections as the factory part. Installation typically takes 30-45 minutes with basic tools.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-item\"\u003e\n\u003cdiv class=\"tgk-faq-q\"\u003eWill this affect my coolant system performance?\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-a\"\u003eThe aluminum version actually improves cooling system performance due to better thermal conductivity. Both options maintain OEM flow characteristics while eliminating the risk of failure from the factory plastic design.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-item\"\u003e\n\u003cdiv class=\"tgk-faq-q\"\u003eIs this covered under warranty?\u003c\/div\u003e\n\u003cdiv class=\"tgk-faq-a\"\u003eYes, TGK Motorsport backs this product with a lifetime structural warranty against defects in materials and workmanship. The aluminum version is engineered to outlast your vehicle.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"TGK Motorsport","offers":[{"title":"C7 \/ OE Style","offer_id":47347972112533,"sku":"TGK-0304-17","price":149.99,"currency_code":"USD","in_stock":true},{"title":"C7 \/ Billet Aluminum","offer_id":47347972145301,"sku":"TGK-0304-15","price":199.99,"currency_code":"USD","in_stock":true},{"title":"D4 \/ OE Style","offer_id":47347972178069,"sku":"TGK-0304-18","price":149.99,"currency_code":"USD","in_stock":true},{"title":"D4 \/ Billet Aluminum","offer_id":47347972210837,"sku":"TGK-0304-16","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/6259\/4453\/files\/Main2_57fa9f01-bc37-4acf-9d67-c1883429cd2d.jpg?v=1778589944","url":"https:\/\/tgkmotorsport.com\/products\/tgk-motorsport-ea824-rear-coolant-port","provider":"TGK Motorsport","version":"1.0","type":"link"}