Part explained
Shock absorbers: lifespan and when to replace
Worn shock absorbers rarely fail in one go. They degrade slowly and the driver adapts — until a fresh set in the same car feels like an upgrade. This page covers the classic bounce test, the symptoms worth taking seriously, and what a set costs.
By the onderdelen.autos editorial team · Updated
What do shock absorbers do?
Shocks damp — they don't suspend. They're oil- or gas-filled cylinders that convert spring motion into heat, keeping the tyres in contact with the road. Worn dampers mean longer stopping distances on poor surfaces, vague steering, and accelerated wear on other suspension parts.
Signs of worn shocks
- The car bounces more than once after a speed bump.
- Nose dive is deeper under braking than before.
- Visible oil leak or a greasy film on the damper body.
- Body roll feels heavier in corners.
- Irregular tyre wear, often with cup-like patches on the tread.
When to replace
Indicative 80,000 – 120,000 km. Wear is gradual — some cars hit 200,000 km without issue, others fade at 60,000. Physical inspection on the lift (leaks, play) takes minutes at every service. Always replace per axle.
Typical interval: 80,000–120,000 km
What does a set cost?
A pair (one axle) runs € 45 – € 220 for aftermarket, € 150 – € 300+ for OEM-grade or premium suspension brands (Bilstein, Sachs, Koni). Used dampers from a Dutch scrapyard: € 20 – € 90 — only worth buying with a known history. Workshop labour: 1 – 2 hours per axle.
| Condition | From | To |
|---|---|---|
| New | € 45 | € 220 |
| Used / refurbished | € 20 | € 90 |
Compare inventory from Dutch sellers and order directly.
DIY?
Difficulty: Medium
On double-wishbone or rear-axle dampers this is half-day work. On McPherson struts where the damper integrates with the spring, you need a spring compressor and confidence. A spring under compression that breaks free is genuinely dangerous.
- Jack and axle stands
- A spring compressor — only required for McPherson struts with integrated spring
- Socket set with torque wrench
Frequently asked questions
What is the bounce test?
Push a corner of the car down firmly and release. If it returns in a single motion and stops, the damper is good. If it bounces two or three more times, it's worn.
Per axle or per damper?
Always per axle. Mismatched damping yields uneven behaviour under braking and turn-in.
Gas or oil?
Most modern dampers are gas-charged for higher reserve. Never mix types on the same axle.
Can I buy used dampers?
Yes — provided the kilometre history is known and there is no visible leakage. Dutch dismantlers often supply sets from low-mileage cars.
Will I feel the difference after replacement?
Often yes — particularly if the old dampers were far gone. Steering precision and braking on poor surfaces improve noticeably.
Shock absorbers from Dutch inventory
Compare sellers by region — browse dismantlers carrying dampers.