Audi Q3 Grille: Fitment, Sensors & Common Damage

On the Q3, an internal heater unit in the radar sensor on related models can genuinely fail separately from the main sensor.

Generation covered: this guide is for the third-generation Q3 (F3, 2018–present), with particular focus on 2018–2023 registered examples now old enough for parts to be a common search. Check your logbook or VIN if you're unsure which generation you have.

Illustration for editorial purposes

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OEM Part Number: confirm via VIN — radiator grille (aftermarket) Diederichs 1066240

Accuracy note: Covers the Audi Q3 (8U 2011-2018) as listed in the UK aftermarket catalogues. Grilles are sold by trim and facelift, and many generations had different grilles for base, mid and top trims, with or without a radar or camera opening. Where the catalogue splits a grille into left and right or upper and lower sections, buy both halves if both are damaged. 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 grille against your VIN if you want a guaranteed fit.

Radiator grille (aftermarket)	Diederichs 1066240 (chrome/black)
Genuine (OE) numbers quoted	None quoted in the catalogue listings — the genuine grille varies by trim level, facelift and sensor options, so order it against your VIN

Audi Q3 Grille: Cosmetic on the Surface, Functional Underneath

Beyond its obvious styling role, the Audi Q3's front grille genuinely does mechanical work — directing airflow into the radiator — and on many modern cars it's also built around sensor housings for adaptive cruise control or parking assistance. Both of those functions affect which part actually fits.

Before you buy: grille design varies significantly by trim, and higher trims may integrate radar or camera sensors behind or within the grille itself. Always confirm against your VIN before ordering.

Audi Q3 Grille: What It Does

Beyond styling, the grille on the Q3 directs airflow to the radiator and, on trims equipped with adaptive cruise control, may house or sit directly in front of the radar sensor used for that system. A grille that looks compatible but lacks the correct sensor cutout can interfere with these systems even if it fits physically.

Audi Q3 Grille: Watch: Fitting It

🎬 Watch: 2023 Audi Q3: removal of bumper, headlights, handles, mirrors, door panel, grill

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This video covers removing the front bumper, which is how the grille is reached on this car.

Audi Q3 Grille: Generations, Derivatives & Grille Finish

Standard trims	Single-frame grille with chrome-trimmed slats
S line/RS Q3	Genuine honeycomb mesh design distinct from standard trim, typically with a chrome or gloss black frame depending on model year; RS Q3 has a larger, more aggressive aperture than S line

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A Genuinely Useful Piece of Context Worth Knowing About Radar Sensor Faults — Audi Q3 Grille

If the adaptive cruise control has become unavailable, this is genuinely worth knowing before assuming the whole sensor needs replacing: the radar sensor contains an internal heater unit on related Audi models, and this specific heater has been documented failing on its own, with the main sensor remaining fine.

A genuinely important clarification worth knowing about fault codes: a specific diagnostic code referring to the sensor being misadjusted or incorrectly positioned does not automatically mean a new sensor is required — it may simply need proper recalibration by a dealer.

It's also genuinely worth knowing that removing the front bumper for entirely unrelated work has been documented damaging the radar units or their wiring in the process on related models.

Audi Q3 Grille: Common Damage, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Grille Guide for common damage types, confirming trim-specific fitment, how difficult this job is to DIY, and the ADAS calibration risk with sensor-equipped grilles.

More Audi Grille

The same part, covered across other Audi models.