{"title":"Stonic","description":"","products":[{"product_id":"hyundai-kia-uprated-synchromesh-repair-kit","title":"Hyundai \/ Kia Uprated Synchromesh Repair Kit","description":"\u003ch2\u003eHyundai \/ Kia Uprated Synchromesh Repair Kit – M6CF3-1 6-Speed Gearbox\u003c\/h2\u003e\n\u003cp\u003eThis is an uprated synchromesh repair kit for the Hyundai and Kia M6CF3-1 6-speed manual gearbox. It contains replacement synchro rings and oil seals to restore smooth, positive gear selection and prevent oil leaks — all common wear items in a gearbox rebuild. Using uprated components helps extend service life beyond the original specification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ex1 Kia Oil Seal – 4313439012\u003c\/li\u003e\n\u003cli\u003ex1 Kia Oil Seal – 4311939080\u003c\/li\u003e\n\u003cli\u003ex1 Kia Oil Seal – 4311939070\u003c\/li\u003e\n\u003cli\u003ex4 Synchro Ring – 4339432410\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFits transmission:\u003c\/strong\u003e M6CF3-1 (6-speed manual)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHyundai:\u003c\/strong\u003e Accent, i20, i30, i40, ix20, ix35, Kona, Tucson, Veloster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKia:\u003c\/strong\u003e cee’d, Cerato, Pro cee’d, Rio, Soul, Sportage, Stonic, Venga, XCeed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eWhat are the symptoms of worn synchromesh rings?\u003c\/h6\u003e\n\u003cp\u003eCommon signs include crunching or grinding when changing gears (especially into 2nd or 3rd), difficulty engaging gears when cold, or gears jumping out under load. Worn synchro rings are a leading cause of these issues.\u003c\/p\u003e\n\u003ch6\u003eAre these uprated rings stronger than standard?\u003c\/h6\u003e\n\u003cp\u003eYes — uprated synchro rings are manufactured with improved friction materials or harder compounds to provide better engagement and longer service life than the original equipment items.\u003c\/p\u003e\n\u003ch6\u003eWhat vehicles does the M6CF3-1 gearbox fit?\u003c\/h6\u003e\n\u003cp\u003eThe M6CF3-1 is a 6-speed manual unit shared across the Hyundai and Kia range including the i30, Tucson, Sportage, cee’d and Kona families. Please confirm your specific model using your VIN if unsure.\u003c\/p\u003e\n\u003ch6\u003eIs professional fitment required?\u003c\/h6\u003e\n\u003cp\u003eYes — synchromesh replacement requires full gearbox disassembly and specialist tools. This kit is intended for professional rebuilders or experienced transmission specialists.\u003c\/p\u003e\n\u003ch6\u003eCan I confirm fitment before ordering?\u003c\/h6\u003e\n\u003cp\u003eYes — send us your vehicle registration or VIN and we will confirm this kit is correct for your gearbox before you order.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Eco Torque?\u003c\/h3\u003e\n\u003cp\u003eAs specialists in gearbox rebuilds and repairs, Eco Torque takes pride in offering genuine gearbox parts, high-quality aftermarket alternatives and competitive pricing.\u003c\/p\u003e\n\u003ch3\u003eNeed Help Finding the Right Part?\u003c\/h3\u003e\n\u003cp\u003eIf you are unsure whether this part is compatible with your vehicle, send us your UK registration number or VIN and we will help you find the correct part.\u003c\/p\u003e\n\u003ch3\u003eReference Number: ETB2364\u003c\/h3\u003e","brand":"Eco Torque","offers":[{"title":"Default Title","offer_id":48993912029468,"sku":"ETB2364","price":362.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/0676\/6876\/files\/20231004_130935864_iOS1.jpg?v=1755110885"},{"product_id":"genuine-hyundai-kia-oil-seal-4311939080","title":"Hyundai\/Kia Genuine Oil Seal 4311939080","description":"\u003ch2\u003eGenuine Hyundai\/Kia Oil Seal – OE Part 4311939080\u003c\/h2\u003e\n\u003cp\u003eThis is a genuine Hyundai\/Kia OE oil seal, part number 4311939080, designed for use in manual gearbox applications. As a genuine OE part, it meets the original manufacturer's specifications for fit, sealing performance and durability. Suitable for Hyundai and Kia vehicles requiring oil seal replacement in the manual transmission.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003eOE Part Number: 4311939080\u003cbr\u003e\nManufacturer: Hyundai \/ Kia (Genuine OE)\u003cbr\u003e\nApplication: Manual Gearbox Oil Seal\u003cbr\u003e\nType: Genuine OE Part\u003c\/p\u003e\n\u003ch6\u003eIs this a genuine Hyundai\/Kia part?\u003c\/h6\u003e\n\u003cp\u003eYes. Part number 4311939080 is a genuine OE oil seal manufactured by Hyundai\/Kia to original equipment specification.\u003c\/p\u003e\n\u003ch6\u003eWhat gearbox does this oil seal fit?\u003c\/h6\u003e\n\u003cp\u003eThis oil seal is designed for Hyundai and Kia manual gearbox applications. Please provide your UK registration number or VIN to confirm compatibility with your specific model.\u003c\/p\u003e\n\u003ch6\u003eWhat does an oil seal do in a gearbox?\u003c\/h6\u003e\n\u003cp\u003eOil seals prevent transmission fluid from leaking out of the gearbox at shaft entry and exit points. A worn or damaged oil seal can result in fluid loss, contamination and gearbox damage if not replaced.\u003c\/p\u003e\n\u003ch6\u003eHow do I know if my oil seal needs replacing?\u003c\/h6\u003e\n\u003cp\u003eCommon signs include visible oil leaks around the gearbox, low transmission fluid levels, or oil contamination on adjacent components. We recommend professional inspection if you suspect a seal failure.\u003c\/p\u003e\n\u003ch6\u003eCan Eco Torque help identify if this fits my vehicle?\u003c\/h6\u003e\n\u003cp\u003eYes. Send us your UK registration number or VIN and we will confirm whether part number 4311939080 is the correct seal for your Hyundai or Kia gearbox.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Eco Torque?\u003c\/h3\u003e\n\u003cp\u003eAs specialists in gearbox rebuilds and repairs, Eco Torque takes pride in offering genuine gearbox parts, high-quality aftermarket alternatives and competitive pricing.\u003c\/p\u003e\n\u003ch3\u003eNeed Help Finding the Right Part?\u003c\/h3\u003e\n\u003cp\u003eIf you are unsure whether this part is compatible with your vehicle, send us your UK registration number or VIN and we will help you find the correct part.\u003c\/p\u003e\n\u003ch3\u003eReference Number: ET2367\u003c\/h3\u003e","brand":"Eco Torque","offers":[{"title":"Default Title","offer_id":48994750267676,"sku":"ET2367","price":21.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/0676\/6876\/files\/file_05fc9fdf-aad2-499f-bf1b-9dedb857e018.jpg?v=1755129056"},{"product_id":"genuine-hyundai-kia-oil-seal-4313439012","title":"Hyundai\/Kia Genuine Oil Seal 4313439012","description":"\u003ch2\u003eGenuine Hyundai\/Kia Manual Gearbox Oil Seal – OE Part 4313439012\u003c\/h2\u003e\n\u003cp\u003eThis is a genuine Hyundai\/Kia OE oil seal, part number 4313439012, designed for manual gearbox applications. As a genuine OE part, it is manufactured to the original specification for correct fit and sealing performance. Suitable for Hyundai and Kia vehicles requiring oil seal replacement in the manual transmission.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003eOE Part Number: 4313439012\u003cbr\u003e\nManufacturer: Hyundai \/ Kia (Genuine OE)\u003cbr\u003e\nApplication: Manual Gearbox Oil Seal\u003cbr\u003e\nCountry of Origin: South Korea\u003cbr\u003e\nType: Genuine OE Part\u003c\/p\u003e\n\u003ch6\u003eIs this a genuine Hyundai\/Kia part?\u003c\/h6\u003e\n\u003cp\u003eYes. Part number 4313439012 is a genuine OE oil seal manufactured by Hyundai\/Kia to original equipment specification.\u003c\/p\u003e\n\u003ch6\u003eWhat gearbox does this oil seal fit?\u003c\/h6\u003e\n\u003cp\u003eThis oil seal is designed for Hyundai and Kia manual gearbox applications. Please provide your UK registration number or VIN to confirm compatibility with your specific model.\u003c\/p\u003e\n\u003ch6\u003eWhat does an oil seal do in a gearbox?\u003c\/h6\u003e\n\u003cp\u003eOil seals prevent transmission fluid from leaking out of the gearbox at shaft entry and exit points. A worn or damaged oil seal can result in fluid loss, contamination and gearbox damage if not replaced.\u003c\/p\u003e\n\u003ch6\u003eHow do I know if my oil seal needs replacing?\u003c\/h6\u003e\n\u003cp\u003eCommon signs include visible oil leaks around the gearbox, low transmission fluid levels, or oil contamination on adjacent components. We recommend professional inspection if you suspect a seal failure.\u003c\/p\u003e\n\u003ch6\u003eCan Eco Torque help identify if this fits my vehicle?\u003c\/h6\u003e\n\u003cp\u003eYes. Send us your UK registration number or VIN and we will confirm whether part number 4313439012 is the correct seal for your Hyundai or Kia gearbox.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Eco Torque?\u003c\/h3\u003e\n\u003cp\u003eAs specialists in gearbox rebuilds and repairs, Eco Torque takes pride in offering genuine gearbox parts, high-quality aftermarket alternatives and competitive pricing.\u003c\/p\u003e\n\u003ch3\u003eNeed Help Finding the Right Part?\u003c\/h3\u003e\n\u003cp\u003eIf you are unsure whether this part is compatible with your vehicle, send us your UK registration number or VIN and we will help you find the correct part.\u003c\/p\u003e\n\u003ch3\u003eReference Number: ET2366\u003c\/h3\u003e","brand":"Eco Torque","offers":[{"title":"Default Title","offer_id":48994750923036,"sku":"ET2366","price":21.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/0676\/6876\/files\/file_275eac1c-ef50-4083-ad4c-a7816e20fd04.jpg?v=1755129057"},{"product_id":"hyundai-kia-genuine-csc-41421-32300-clutch-slave-cylinder","title":"Hyundai\/Kia Genuine CSC 41421-32300 – Clutch Slave Cylinder","description":"\u003ch2\u003eGenuine Hyundai \/ Kia CSC 41421-32300 Concentric Slave Cylinder\u003c\/h2\u003e\n\u003cp\u003eGenuine OEM Hyundai\/Kia Concentric Slave Cylinder (CSC), part number 41421-32300. Manufactured to original equipment specification, this hydraulic clutch slave cylinder is a direct fit replacement that eliminates clutch engagement faults on a wide range of Hyundai and Kia models. Supplied as an individual unit ready to fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOE Part Number:\u003c\/strong\u003e 41421-32300 (Hyundai \/ Kia)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHyundai Elantra\u003c\/li\u003e\n\u003cli\u003eHyundai i20\u003c\/li\u003e\n\u003cli\u003eHyundai i30\u003c\/li\u003e\n\u003cli\u003eHyundai i40\u003c\/li\u003e\n\u003cli\u003eHyundai ix35\u003c\/li\u003e\n\u003cli\u003eHyundai Santa Fe\u003c\/li\u003e\n\u003cli\u003eHyundai Tucson\u003c\/li\u003e\n\u003cli\u003eKia Cee'd\u003c\/li\u003e\n\u003cli\u003eKia Pro Cee'd\u003c\/li\u003e\n\u003cli\u003eKia Rio\u003c\/li\u003e\n\u003cli\u003eKia Sportage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eWhat is a concentric slave cylinder (CSC)?\u003c\/h6\u003e\n\u003cp\u003eA concentric slave cylinder replaces the traditional external slave cylinder and release bearing with a single hydraulic unit that fits around the gearbox input shaft. It is actuated by brake fluid and disengages the clutch when the pedal is pressed.\u003c\/p\u003e\n\u003ch6\u003eIs 41421-32300 a genuine OEM or aftermarket part?\u003c\/h6\u003e\n\u003cp\u003eThis is a genuine OEM Hyundai\/Kia part manufactured to the same specification as the original component fitted at the factory.\u003c\/p\u003e\n\u003ch6\u003eWhat are the symptoms of a faulty CSC?\u003c\/h6\u003e\n\u003cp\u003eCommon symptoms include clutch pedal sinking to the floor, difficulty selecting gears, clutch judder or slip, and fluid leaking from around the gearbox bellhousing.\u003c\/p\u003e\n\u003ch6\u003eDoes this CSC need bleeding after fitting?\u003c\/h6\u003e\n\u003cp\u003eYes. The hydraulic clutch circuit must be bled of air after fitting. Follow the vehicle workshop manual for the correct bleeding procedure.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Eco Torque?\u003c\/h3\u003e\n\u003cp\u003eAs specialists in gearbox rebuilds and repairs, Eco Torque takes pride in offering genuine gearbox parts, high-quality aftermarket alternatives and competitive pricing.\u003c\/p\u003e\n\u003ch3\u003eNeed Help Finding the Right Part?\u003c\/h3\u003e\n\u003cp\u003eIf you are unsure whether this part is compatible with your vehicle, send us your UK registration number or VIN and we will help you find the correct part.\u003c\/p\u003e\n\u003ch3 style=\"text-align:center\"\u003eReference Number: ET2912\u003c\/h3\u003e","brand":"Eco Torque","offers":[{"title":"Default Title","offer_id":48994860663068,"sku":"ET2912","price":148.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/0676\/6876\/files\/Genuine_Hyundai_Kia_Concentric_Slave_Cylinder_CSC_Part_Number_4142132300_Eco_Torque_4.jpg?v=1755129220"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/0676\/6876\/collections\/Kia_banner_1_e34b8f60-9f59-4474-a889-8fdeec5378ef.jpg?v=1743610034","url":"https:\/\/eco-torque.co.uk\/collections\/kia-stonic-parts.oembed","provider":"Eco Torque","version":"1.0","type":"link"}