Ford Fiesta Front Suspension Strut: Specs, Fitment & Common Faults

A knocking noise over bumps is one of the most consistently discussed Fiesta complaints — here's the practical diagnostic order that actually works.

Illustration of a suspension strut and coil spring

Illustration for editorial purposes

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OEM Part Number: confirm via VIN — front struts (aftermarket) Bilstein 22-239266 / Sachs 315 241

Accuracy note: Covers the Ford Fiesta (Mk7 2008-2017) as listed in the UK aftermarket catalogues. Front struts, lower arms and top mounts are sold by side and by suspension spec — standard, sport / lowered (S line, M Sport, R-Line, ST-Line etc.), heavy-duty and adaptive / electronic damping all use different part numbers, and some makers split by engine or front axle load. The references below are UK aftermarket catalogue listings for this generation, labelled by brand; genuine numbers are shown only where a listing quotes one. Confirm the fit against your VIN, and replace struts and top mounts in pairs.

Front strut / shock absorber (aftermarket)	Sachs 315 241 (twin-tube gas, top pin, LH) and 315 242 (RH); Sachs 315 866 (LH) and 315 867 (RH) (twin-tube gas, top pin, alternative spec SFE30/20X156); Bilstein 22-239266 (B4, twin-tube gas, LH, pair 22-239273); TRW JGM1091T (twin-tube gas, 45 mm, 20 mm rod, one per axle) / 2017-on car: Bilstein 22-275653 (left, sports suspension) with 22-283580; Bilstein 22-290236 (left) and 22-290243 (right), "bad road" version; Bilstein 22-275691 (left) and 22-298973 (right); Japanparts MM-01301 (left) and MM-01302 (right), standard or sports suspension; Meyle 726 623 0057 (left) and 726 623 0058 (right), top pin only; Monroe G8631 / G8632 (side not stated). All are twin-tube gas struts.
Front lower arm / wishbone (aftermarket)	LH Delphi TC2184 (with ball joint), Meyle 716 050 0043 (with ball joint, rubber mount), Lemförder 36918 01; RH Febi 36882 (with ball joint, rubber mounts), Delphi TC2185 (with ball joint), Meyle 716 050 0044 (with ball joint), TRW JTC2172, Lemförder 36919 01 / 2017-on car: LH FAG 821 1195 10 (sheet steel); LH febi bilstein 180642 (17.5 mm cone, with ball joint); LH JP Group 1540104270 (vehicles without sports suspension); LH Delphi TC6990 (416 mm, with ball joint); LH Optimal G6-2204; RH FAG 821 1196 10; RH febi bilstein 180645 (with ball joint and rubber mounts)
Top mount / strut bearing (aftermarket)	Sachs 801 046 (2 per axle, L/R); Sachs 803 288 (no bearing, 2 per axle); Febi 39491 (plastic, 32 mm ID, 110 mm OD); Bilstein 12-225354 (elastomer, no bearing); Meyle 714 641 0019 (repair kit with bearing) / 2017-on car: febi bilstein 171894 (front left/right, elastomer, no ball bearing, 12 mm inner) and 171896; Meyle 714 641 0023 (ball bearing); Meyle 714 412 2010 (repair kit with ball bearing); Metzger 6490323 (rubber-metal, no rolling bearing).
Genuine (OE) numbers quoted	Sachs 801 046 top mount: 1514857, 1547323, 1742604, 1845562, 1902873, 8V51-3K099-AC/AD/AE/AF, 8V51-3K099-B2A, D651-34-38XA, D651-34-38XB. Sachs 803 288 top mount: 1811428, C1BC-3K155-A2B. None quoted for struts or arms. 2017-on car: Japanparts MM-01301 left strut is OE H1BC-18K001-AC; Japanparts MM-01302 right strut is OE H1BC-18045-AC.
Fitment notes	Standard gas-pressure struts only, no sport or lowered items; two Sachs strut specs are offered, so match on the original part. Mk7 1.0 Ecoboost or the 2017 facelift (fiesta-vii) were not checked. 2017-on car: Struts split into standard, "bad road" and sports-suspension versions, so match to the car's specification; the JP Group arms are for cars without sports suspension.

Front Suspension Knocking: A Genuinely Well-Documented, Notoriously Tricky Diagnosis — Ford Fiesta Front Suspension

A knocking or clunking noise from the front suspension over bumps and speed humps is one of the most consistently discussed complaints across Fiesta owner forums, both in the UK and internationally — and it's worth knowing upfront that this can be a genuinely frustrating, multi-visit diagnosis even for experienced dealers and specialists. Owners have reported chasing this exact noise through strut top mounts, sway bar (anti-roll bar) end links, control arm bushings, and even subframe crossmember bolts, sometimes replacing several of these in sequence before the noise finally stops — and occasionally it turns out to be something entirely unrelated, like a loose interior trim panel or even a rattling coin in a door pocket.

A genuinely useful diagnostic priority order: sway bar end links (drop links) are consistently the most commonly reported actual cause, and they're relatively cheap to replace — checking these first, before assuming the more expensive strut mounts or bearings are at fault, is the approach most experienced independent mechanics take. A simple way to help narrow it down yourself: with the car safely jacked up, grab the road wheel at the top and bottom and rock it firmly — noticeable play points toward wheel bearings or ball joints, while a knock reproduced by pushing directly on the sway bar link itself points squarely at that specific, cheaper part.

It's also worth knowing that a "dull thud" sound over bumps is described by many owners and even some Ford technicians as a common trait of this platform's suspension tuning, rather than a fault — the distinction to watch for is a sound getting progressively louder or changing character over time, versus a consistent, unchanging noise that's simply part of how the car rides.

Ford Fiesta Front Suspension Strut: The System That Quietly Does All the Work

On the Ford Fiesta, 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.

Before you buy: suspension components vary by trim, engine weight and whether your car has the standard or sport-tuned setup. Always confirm against your VIN before ordering.

Ford Fiesta Front Suspension Strut: Watch: Replacing It

🎬 Watch: Ford fiesta mk7 front top strut mount, coil spring and anti roll bar linkage replacement

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Mk7 strut mount, spring and drop link.

Ford Fiesta Front Suspension reference plate

Ford Fiesta Front Suspension Strut: What It Does

The Ford Fiesta'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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Ford Fiesta 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 Ford Front Suspension Strut

The same part, covered across other Ford models.