Audi A1 Front Suspension Strut: Specs, Fitment & Common Faults
On the A1, a top mount bearing fault on related models can genuinely be demonstrated with the bonnet open and the wheel turned lock to lock.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — front struts (aftermarket) Bilstein 22-183705 / KYB 339763
| Front strut / shock absorber (aftermarket) | Bilstein 22-183705 (B4, twin-tube gas, strut); Bilstein 35-168560 (B6 Performance, single-tube upside-down gas); KYB 339763 and 339741 (Excel-G, twin-tube gas); Monroe G8109 and 742044SP (twin-tube gas, 22 mm rod, 32 mm bore); TRW JGM1082T and JGM1080T (twin-tube gas, 51 mm, replace in pairs) |
|---|---|
| Front lower arm / wishbone (aftermarket) | LH febi 44547 (with ball joint, steel, pair 44548); LH Ridex 273C0721 (sheet steel, 378 mm); RH Ridex 273C0921 (without ball joint, 380 mm); side not stated: Moog VO-WP-8853/8854, Monroe L29A43/L29A44 (with ball joint), SKF VKDS 321003 B/321002 B (with ball joint) |
| Top mount / strut bearing (aftermarket) | Sachs 802 070 (without bearing); febi 09228 (with ball bearing); TRW JSL241 (with bearings); Meyle 100 412 1019/S (with bearings); Monroe MK077; Lemförder 25346 01 |
| Genuine (OE) numbers quoted | Sachs 802 070 top mount: 1J0 412 331, 1J0 412 331 B, 1J0 412 331 C; febi 09228: 1J0 412 331 C S1; TRW JSL241: 1J0 412 249, 1J0 412 331 B, 1J0 412 331 C, 357 412 249 A, 6K0 413 031 B. None quoted for struts or arms. |
| Fitment notes | Standard twin-tube gas struts plus one Bilstein B6 sport option; no engine or axle-load split given; side and sport/adaptive not stated for struts. |
Audi A1 Front Suspension Strut: The System That Quietly Does All the Work
On the Audi A1, every bump, pothole and corner passes through these components before you ever feel it in the cabin, which is exactly why wear here shows up as vague, hard-to-pin-down symptoms rather than one obvious failure. A methodical check usually finds the culprit faster than guesswork.
Audi A1 Front Suspension Strut: What It Does
The Audi A1's front suspension strut combines a shock absorber with the coil spring mounting point in one assembly, controlling how quickly the suspension compresses and rebounds over bumps. A worn strut lets the car bounce excessively after a bump instead of settling quickly, and can accelerate uneven tyre wear if left unaddressed.
Audi A1 Front Suspension Strut: Watch: Replacing It
No A1-specific strut video surfaced; generic VW/Audi strut job, A1 8X shares PQ25 with Polo 6R/Ibiza
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A Genuinely Useful Piece of Context Worth Knowing About Front-End Knocks — Audi A1 Front Suspension
If you're hearing a knock from the front suspension, this is genuinely worth knowing: documented cases on related Audi models describe this traced to the top suspension mount bearing, worth testing by having an assistant turn the steering wheel lock to lock with the bonnet open and the car stationary.
It's also genuinely worth knowing that this kind of knock can be temperature-sensitive, and that it's well known for mysteriously failing to reproduce during a dealer's own test drive.
Audi A1 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 Audi Front Suspension Strut
The same part, covered across other Audi models.