{"product_id":"red-line-30504-d4-synthetic-atf-1-quart-12-pack-dexron-mercon-compatible-versatile-transmission-fluid","title":"Red Line 30504 D4 Synthetic ATF – 1 Quart (12 Pack) | Dexron\/Mercon-Compatible, Versatile Transmission Fluid","description":"\u003cdiv class=\"seo-section\"\u003e\n  \u003ch2\u003ePremium Synthetic ATF for diverse transmissions\u003c\/h2\u003e\n  \u003cp\u003eRed Line 30504 D4 Synthetic Automatic Transmission Fluid is engineered to support smooth gear engagement and steady lubrication across a wide array of drivetrains. Its amber-hued formulation flows readily, forming a protective film that remains stable under varying temperatures and loads.\u003c\/p\u003e\n  \u003ch3\u003eVersatility that fits many setups\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eSuperior gear and synchro protection with balanced slipperiness to ease cold-weather shifts\u003c\/li\u003e\n    \u003cli\u003eAlso suitable for manual transmissions and transaxles like T-5, T-45, T-56, and late-model BMWs, delivering GL-4 level protection\u003c\/li\u003e\n    \u003cli\u003eMost versatile ATF for use where Dexron III\/II, Mercon and Mercon V are specified, supporting automatic, manual, and power steering needs\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eDesigned to cover a wide range of OEM specifications, this fluid aims to reduce friction heat and maintain consistent shift feel. The D4 formulation emphasizes robust film strength and dependable lubrication without compromising performance.\u003c\/p\u003e\n  \u003ch3\u003eCommon applications and compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eWidely used in Toyota Type T-III and T-IV transmissions, Honda ATF-Z1, Nissan Matic lines, Diamond SP-II\/SP-III, Mazda ATF M-V, and many BMW and VW\/Audi automatics\u003c\/li\u003e\n    \u003cli\u003eSuitable for vehicles requiring GL-4 level protection in both automatic and manual gearboxes, and as a cross-compatibility option in mixed fleets\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eRed Line has stood for performance since 1979, with a focus on protecting gears and delivering confident lubrication. This D4 ATF offers a practical balance of protection, shift quality, and reliability for day-to-day driving.\u003c\/p\u003e\n  \u003ch3\u003eWhat to expect in the real world\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBalanced slipperiness supports smooth gear changes and steady performance in a range of temperatures\u003c\/li\u003e\n    \u003cli\u003eBroad compatibility makes it a convenient choice for fleets or personal garages with diverse transmissions\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\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 Red Line 30504 D4 ATF compatible with both automatic and manual transmissions?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It supports Dexron III\/II, Mercon and Mercon V specifications and can be used in automatic transmissions, manual gearboxes, and some transaxles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this ATF be beneficial in cold weather driving?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Its balanced slipperiness supports smoother shifts and reliable lubrication in cooler temperatures.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Red Line","offers":[{"title":"Default Title","offer_id":42395164901461,"sku":"B000T9TMAQ","price":250.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/red-line-30504-d4-atf-bottle-front.jpg?v=1775930865","url":"https:\/\/plentytorque.co.uk\/products\/red-line-30504-d4-synthetic-atf-1-quart-12-pack-dexron-mercon-compatible-versatile-transmission-fluid","provider":"PlentyTorque","version":"1.0","type":"link"}