Peugeot 508 Front Suspension Strut: Specs, Fitment & Common Faults
On the 508, whether a knock changes with temperature is a genuinely useful diagnostic clue — plus a real, free DIY test for track rod wear.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — front struts (aftermarket) KYB 341746
| Front strut / shock absorber (aftermarket) | Optimal A-5041GR (right) / A-5041GL (left); Denckermann DSB606G (right) / DSB605G (left), 22 mm rod; KYB 341746 (Excel-G); Daco 452807; Optimal A-5042G (16 mm rod); Magnum AGP148MT. All gas, mostly twin-tube. |
|---|---|
| Front lower arm / wishbone (aftermarket) | LH Ridex 273C0631 (with rubber mount), febi 36902 (cast steel, without ball joint); RH Vaico V22-0450 (410 mm), febi 36901; side not stated: A.B.S. 211620 / 211619 (with ball joint, hydro mount), SKF VKDS 323038 / 323039 |
| Top mount / strut bearing (aftermarket) | Sidem 853438 KIT (left) / 853439 KIT (right) (with ball bearing); Ridex 1180S0299 (ball bearing, M8x1.25); Ridex 1180S0515 (right); febi 39575 (right, elastomer, no bearing); Kamoka 209214 (left) / 209215 (right) (kits); Denckermann D600184 / D600185 |
| Genuine (OE) numbers quoted | None quoted in catalogue listings — order genuine parts against your VIN |
| Fitment notes | Standard gas twin-tube; No engine split. |
A Genuinely Useful Diagnostic Clue: Does the Knock Change With Temperature? — Peugeot 508 Front Suspension
A genuinely well-documented, useful pattern worth paying attention to: whether a knock gets better or worse as the car warms up during a drive points toward different specific causes. A knock that's prominent when cold and largely disappears after driving for a while often points toward a worn top mount or strut bearing, which behaves differently as the rubber components warm and flex more freely. A knock that instead appears or worsens specifically after around 30 minutes of driving, particularly at slow speeds, has been traced in documented cases to worn steering tie rods rather than the suspension itself — worth mentioning this specific timing pattern to a technician, since it's a genuinely useful clue for narrowing down the cause faster than generic trial and error.
It's also genuinely worth knowing that this platform has a well-documented reputation for knocks that survive an initial repair — multiple documented cases describe drop links, top mounts, or ball joints being replaced without the noise actually resolving, sometimes requiring several visits and multiple components addressed before the actual cause is found. This isn't necessarily a sign of an incompetent garage; it reflects a genuinely stubborn platform characteristic where more than one worn component can be masking or mimicking another's symptoms. Real cost figures worth knowing: top mount replacement has been quoted around £60 in parts plus £80 labour on the 208 specifically.
Peugeot 508 Front Suspension Strut: The System That Quietly Does All the Work
On the Peugeot 508, every pothole, bump and cornering load gets filtered through these parts long before it's felt inside the car, which is precisely why wear rarely shows up as one clean symptom. A methodical, process-of-elimination check tends to find the actual culprit much faster than guessing.
Peugeot 508 Front Suspension Strut: Watch: Replacing It
no 508 front video found; 5008 assumed 1st gen on same PF2 platform, gen not verified
Peugeot 508 Front Suspension Strut: What It Does
The Peugeot 508's front struts fold two components into one: the damper and the coil spring's mount. A worn strut means the car keeps moving after a bump rather than settling promptly, and that lingering movement can accelerate uneven tyre wear over time.
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Peugeot 508 Front Suspension Strut: Warning Signs, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Front Suspension Strut Guide for symptoms of worn bushings and ball joints, confirming fitment against your VIN, and rubber vs polyurethane guidance.
More Peugeot Front Suspension Strut
The same part, covered across other Peugeot models.