Parts Guide
HYUNDAI ALL PARTS GUIDES

Hyundai Parts Guides

Part numbers, fitment and common faults for Hyundai models — organised by model below.

The 7-Speed DCT Gearbox: A Genuine, Documented Weak Point in Specific Years

If you're looking at a used Hyundai fitted with the 7-speed dual-clutch automatic transmission (DCT) — most commonly paired with the 1.6 T-GDi petrol engine across the Tucson and related models — this is worth researching by specific model year rather than assuming it applies equally across the board. 2016-2017 examples in particular show a well-documented, recurring pattern of premature clutch pack wear: jerky engagement pulling away (especially on an incline or reversing), delayed response from a standstill, whining or grinding during gear changes, and in a genuine number of reported cases, complete transmission failure well within what most owners would consider normal life for the part. The root cause is generally traced to the electro-hydraulic actuator controlling clutch engagement developing leaks and calibration drift, compounded by inadequate cooling under sustained stop-start use. Repair costs are genuinely significant — replacement clutch packs alone run £800-1,200, with a full transmission rebuild reaching £2,500-3,800 — and Hyundai has extended warranty coverage to 10 years on some affected vehicles, though UK owners with import or ownership-history complications have sometimes missed out on this. If you're specifically looking at a 2016-2017 DCT-equipped Hyundai, a thorough test drive checking for any of the symptoms above, and confirmation of whether any warranty extension work has been carried out, is genuinely worth the time.

Older (Second-Generation, 2010-2015) Tucsons Carry a More Serious, Separate Engine Concern

Distinct from the DCT issue, older second-generation Tucsons fitted with 2.0 and 2.4-litre petrol engines have a documented history of premature engine failure, traced to a faulty connecting rod bearing that can cause sudden engine knocking, ticking, and in serious cases complete failure, typically once a car passes 150,000 miles. This was serious enough that Hyundai recalled almost 100,000 units and introduced a Knock Sensor Detection System to warn drivers if the symptom develops, giving them a chance to stop before catastrophic failure occurs. If you're looking at a high-mileage second-generation Tucson (broadly 2010-2015) specifically, confirming this recall work has been carried out is a genuine priority, not just a nice-to-have.

The Five-Year Warranty Is a Genuine Point in Hyundai's Favour

It's worth balancing the above against real context: Hyundai backs its cars with a five-year, unlimited-mileage warranty as standard — a genuinely strong position compared with most mainstream rivals — and independent reliability surveys have repeatedly placed Hyundai above brands including Mazda and Volvo for first-year fault rates. Third-generation Tucson models (broadly 2015-2020), particularly 1.6 T-GDi petrol paired with a manual gearbox, are widely regarded as offering the best balance of reliability and value across the range, and represent a sensible target if you specifically want to sidestep both the DCT concern above and the older engine issue.

Diesel-Specific Considerations

Older 1.6 and 2.0 CRDi diesel Tucsons have a recognised, relatively minor and inexpensive-to-fix issue with NOx sensor failure — triggering the engine management light and putting the car into limp mode. Hyundai has acknowledged this in Technical Service Bulletins, though it hasn't been treated as a full UK recall; a replacement sensor typically costs a few hundred pounds fitted, and this shouldn't be treated as a major reliability red flag, just a fairly common, manageable repair on older diesel examples.

Find Your Part Fast

Each guide covers a specific part on a specific model, with fitment notes across generations, known failure symptoms, and honest advice on OEM versus aftermarket options.

Hyundai Tucson

Hyundai i10

Hyundai i20

Hyundai i30

Hyundai Kona

Hyundai ix35

Hyundai Santa Fe

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