{"product_id":"idemitsu-atf-type-hk4-automatic-transmission-fluid-for-hyundai-kia-1-quart-pack-of-6-smooth-shifting-anti-shudder","title":"Idemitsu ATF Type HK4 Automatic Transmission Fluid for Hyundai \u0026 Kia — 1 Quart Pack of 6, Smooth Shifting \u0026 Anti-Shudder","description":"\u003cp\u003e\u003cstrong\u003eIdemitsu ATF Type HK4 is a purpose-built automatic transmission fluid engineered to deliver smooth shifts, anti-shudder performance, and long-term protection for Hyundai and Kia automatic gearboxes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned specifically for Hyundai and Kia conventional automatic transmissions, this ATF formulation balances friction, wear protection, and oxidation resistance so your transmission maintains consistent feel and reliability. It is supplied in 1-quart bottles sold as a pack of six to simplify oil changes and top-offs for passenger cars, SUVs, and light trucks that call for Type HK4 fluid. This product is not intended for use in continuously variable transmissions (CVT) or dual-clutch transmissions (DCT).\u003c\/p\u003e\n\n\u003ch3\u003eHow does Idemitsu ATF Type HK4 improve shift quality?\u003c\/h3\u003e\n\u003cp\u003eType HK4 is engineered with tight frictional control to stabilize clutch engagement and reduce shuddering during gear changes. That engineered friction profile helps the transmission deliver predictable, smooth shifts across a wide range of temperatures and driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOptimized friction modifiers for consistent engagement feel\u003c\/li\u003e\n  \u003cli\u003eStable viscosity for reliable hydraulic control\u003c\/li\u003e\n  \u003cli\u003eReduces shift shock and shudder under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fluid help extend the life of my transmission?\u003c\/h3\u003e\n\u003cp\u003eThe formulation provides enhanced anti-wear additives and strong oxidation resistance to limit component wear and fluid degradation over time. Cleaner fluid and protection against varnish and sludge also help keep valve bodies and clutch packs operating as intended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdvanced anti-wear chemistry protects gears and bearings\u003c\/li\u003e\n  \u003cli\u003eOxidation inhibitors slow fluid breakdown at high temperatures\u003c\/li\u003e\n  \u003cli\u003eDetergent and dispersant agents minimize deposits and varnish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs Idemitsu ATF Type HK4 compatible with my Hyundai or Kia?\u003c\/h3\u003e\n\u003cp\u003eThis ATF is formulated to meet the specifications called out by many Hyundai and Kia conventional automatic transmissions that require Type HK4 fluid. Always confirm your vehicle’s owner’s manual or service documentation to verify the correct fluid specification before use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets Hyundai\/Kia Type HK4 transmission requirements\u003c\/li\u003e\n  \u003cli\u003eIdeal for models specifying conventional automatic ATF (not CVT\/DCT)\u003c\/li\u003e\n  \u003cli\u003eSold in convenient 1-quart bottles for accurate servicing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I store and handle the pack of six 1-quart bottles?\u003c\/h3\u003e\n\u003cp\u003eThe six-bottle pack keeps spare fluid on hand for scheduled changes and mid-interval top-offs. Store in a cool, dry place away from direct heat and seal bottles tightly after opening to preserve additive integrity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeep bottles upright and capped to prevent contamination\u003c\/li\u003e\n  \u003cli\u003eStore between recommended room temperatures, away from flames\u003c\/li\u003e\n  \u003cli\u003eUse within the manufacturer-recommended shelf life once opened\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers and technicians who own Hyundai or Kia vehicles that specify Type HK4 automatic transmission fluid and who want a purpose-formulated product to support smooth shifting, reduce shudder, and protect internal components. It’s suitable for DIY mechanics, independent shops, and fleet maintenance teams looking for OEM-compatible ATF supplied in practical 1-quart bottles sold as a six-pack for multi-service convenience.\u003c\/p\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: Can I use Idemitsu ATF Type HK4 in a CVT or DCT?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This fluid is formulated for conventional Hyundai\/Kia automatic transmissions and is not suitable for CVT or DCT systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many quarts do I need for a transmission service?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Capacity varies by model; check your vehicle manual. Typical passenger cars often need 6–9 quarts for a full refill.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Idemitsu","offers":[{"title":"Default Title","offer_id":48080451764382,"sku":"B0G53JPNG3","price":112.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/idemitsu-atf-type-hk4-front-bottle.jpg?v=1785781453","url":"https:\/\/northtrailauto.ca\/products\/idemitsu-atf-type-hk4-automatic-transmission-fluid-for-hyundai-kia-1-quart-pack-of-6-smooth-shifting-anti-shudder","provider":"North Trail Auto","version":"1.0","type":"link"}