{"product_id":"jetuplusllc-transmission-kickdown-detent-cable-for-700r4-4l60-200-4r-k77978-39-5-conduit-with-1-5-adjustment","title":"Jetuplusllc Transmission Kickdown\/Detent Cable for 700R4 4L60 200-4R — K77978, 39.5\" Conduit with 1.5\" Adjustment","description":"\u003cp\u003e\u003cstrong\u003eJetuplusllc Transmission Detent Kickdown Cable K77978 is a direct-replacement kickdown\/detent cable designed to fit GM 700R4, 4L60 and 200-4R automatic transmissions (select years), providing precise throttle-to-transmission linkage for smooth downshifts.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement cable is new, OEM-style fitment engineered to restore correct kickdown function for many late‑20th-century GM automatics. It matches common interchange numbers and offers extra adjustment to help fine-tune shift timing without cutting or splicing. Before ordering, confirm your vehicle’s transmission model and year range—this cable does not fit the electronically controlled 4L60E.\u003c\/p\u003e\n\n\u003ch3\u003eWhich transmissions and years does this cable fit?\u003c\/h3\u003e\n\u003cp\u003eThis cable is intended for mechanical kickdown systems used on select GM transmissions. It fits 700R4, 4L60 and 200‑4R units within specific production years, helping ensure mechanical compatibility when replacing worn or damaged cables.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e700R4: 1982–1993\u003c\/li\u003e\n  \u003cli\u003e4L60: 1987–1993\u003c\/li\u003e\n  \u003cli\u003e200‑4R (200R4): 1981–1990\u003c\/li\u003e\n  \u003cli\u003eNot compatible with 4L60E (electronic control models)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long is the cable and what adjustment does it allow?\u003c\/h3\u003e\n\u003cp\u003eThe K77978 comes with a specifically sized outer conduit and inner wire length to match factory routing and movement. It includes extra adjustment to help achieve correct kickdown timing and clearances during installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOuter conduit length: 39.5 inches\u003c\/li\u003e\n  \u003cli\u003eInner control wire length: 45 inches\u003c\/li\u003e\n  \u003cli\u003eAdditional adjustment available: 1.5 inches\u003c\/li\u003e\n  \u003cli\u003eDirect-replacement design reduces the need for modification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat interchange numbers and part identifiers should I check?\u003c\/h3\u003e\n\u003cp\u003eUse interchange numbers to verify compatibility with your OEM part or existing cable. Matching one of these numbers helps ensure you receive the correct replacement component for your transmission setup.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer part number: K77978\u003c\/li\u003e\n  \u003cli\u003eInterchange references: T54450C, K77978, M-T54450C, GM999C\u003c\/li\u003e\n  \u003cli\u003eFitment type: Direct replacement for compatible mechanical kickdown systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm this is the right cable for my vehicle?\u003c\/h3\u003e\n\u003cp\u003eConfirm the transmission model and production year on your vehicle, then compare lengths and part numbers to the original cable. If your transmission is electronically controlled (4L60E) this cable will not work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify transmission: 700R4, 4L60, or 200‑4R (not 4L60E)\u003c\/li\u003e\n  \u003cli\u003eMeasure original outer conduit and inner wire against listed lengths\u003c\/li\u003e\n  \u003cli\u003eCross-check OEM part number or interchange numbers\u003c\/li\u003e\n  \u003cli\u003eCheck routing clearance and available adjustment for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Technicians, DIY mechanics, restorers and classic GM owners who need a reliable mechanical detent\/kickdown cable replacement for compatible 700R4, 4L60 or 200‑4R transmissions. This product is aimed at users seeking a direct-fit, new replacement part with factory-style lengths and modest extra adjustment to simplify installation and restore proper mechanical shift response.\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: Will this cable fit my 4L60E transmission?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This K77978 cable is not compatible with electronic 4L60E transmissions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the cable include adjustment for fine-tuning?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The cable provides 1.5 inches of extra adjustment to help set kickdown timing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Jetuplusllc","offers":[{"title":"Default Title","offer_id":48085257158814,"sku":"B0D2PZM14S","price":39.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/jetuplusllc-kickdown-cable-front-view.jpg?v=1785868369","url":"https:\/\/northtrailauto.ca\/products\/jetuplusllc-transmission-kickdown-detent-cable-for-700r4-4l60-200-4r-k77978-39-5-conduit-with-1-5-adjustment","provider":"North Trail Auto","version":"1.0","type":"link"}