Hyundai Kona Rear Springs: Specs, Fitment & Common Faults

Genuinely worth knowing: the hybrid's extra battery weight is a real engineering consideration for the rear spring, even where a lower-than-expected ride height might otherwise look like sagging.

Illustration for editorial purposes

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A Part That Fails Quietly, Then Suddenly

A rear spring often sags gradually for months without an obvious symptom beyond a slightly lower ride height, then fails suddenly at the coil's end with an audible clunk. On hybrid variants, a lower rear ride height than a non-hybrid equivalent can be a normal characteristic of the added battery weight rather than purely a sign of sagged springs — worth bearing this in mind before assuming a fault.

Before you buy: hybrid vs non-hybrid, drivetrain, and left/right side all affect spring rate and fitment. Always confirm against your VIN before ordering.

Hyundai Kona Rear Springs: Watch: Replacing It

🎬 Watch: How to Replace a Rear Coil Spring

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This is a general walkthrough for the job rather than one for your exact model, so access and fixings can differ on your car.

Hyundai Kona Rear Springs reference plate

OEM Part Number: confirm via VIN — rear coil springs (aftermarket) Monroe SP4520 / Sachs 992413

Accuracy note: Covers the Hyundai Kona (2017-) as listed in the UK aftermarket catalogues. Rear coil springs are sold as a pair for the axle and should be replaced as a pair, because a new spring beside a tired one leaves the car sitting unevenly. The right spring depends on the engine and gearbox, the suspension type (standard, sport or heavy-duty) and, on some cars, the body style. The references below are UK aftermarket catalogue listings for this generation, labelled by brand with the fitment details the catalogue gives; carmakers rarely publish the genuine number against these, so match a genuine spring against your VIN if you want a guaranteed fit. genuinely worth knowing: rear springs are sold in left/right pairs matched to a specific rate marking — confirm the marking on your existing spring rather than assuming from trim or powertrain alone.

Rear coil springs (aftermarket)	Monroe SP4520 (318 mm); Monroe SP4518 (323 mm); Sachs 992413 (standard); Suplex 12237 (standard, 323 mm)
Genuine (OE) numbers quoted	None quoted in the catalogue listings — the genuine spring varies by engine, suspension type and body style, so order it against your VIN
Petrol/non-hybrid, standard rate	Genuinely a different spring from the hybrid version below — confirm powertrain and side before ordering
Hybrid	May carry a different spring rate to help support the added battery weight — confirm via VIN rather than assuming the non-hybrid spring is a like-for-like fit

Replacing just one Hyundai Kona rear spring is a false economy: pairing it with an old, sagged spring on the other side produces uneven ride height and a noticeable handling bias.

Hyundai Kona Rear Springs: What It Does

The Hyundai Kona's rear end weight rests on the coil spring, which also absorbs the initial shock of a bump — a separate function from the shock absorber, not a replacement for it. Left sagged or broken, it lowers ride height, potentially skews headlight aim, and can become an MOT failure in severe cases.

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Hyundai Kona Rear Springs: Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Rear Springs Guide for symptoms of a failing spring, confirming fitment against your VIN, and OEM vs aftermarket guidance.

More Hyundai Rear Springs

The same part, covered across other Hyundai models.