Vauxhall Grandland X Headlights: Specs, Fitment & Common Faults
Bulb type, unit part numbers, and the faults that actually cause that flickering or dim light you've noticed.
Illustration for editorial purposes
Opens live listings in a new tab.
OEM Part Number: confirm via VIN — aftermarket LH Valeo 450914 / RH Valeo 450915
| Passenger side (LH / nearside) headlight — aftermarket | Hella 1LR 010 117-211 (halogen H7/H1 with PY21W and W5W, no motor); Magneti Marelli 710301214203 (halogen H7/H1, motor, O.E.); Magneti Marelli 710301262203 (halogen, motor, O.E.); Magneti Marelli 710301263207 (halogen, motor, O.E.); Valeo 450914 (halogen with low, high and DRL bulbs); Hella 1ZT 009 631-311 (bi-xenon D1S with H11, DRL, dynamic bending light) |
|---|---|
| Driver's side (RH / offside) headlight — aftermarket | Hella 1LR 010 117-221 (halogen H7/H1 with PY21W and W5W, no motor); Magneti Marelli 710301214204 (halogen H7/H1, motor, O.E.); Magneti Marelli 710301262204 (halogen, motor, O.E.); Valeo 450915 (halogen with low, high and DRL bulbs); Hella 1ZT 009 631-321 (bi-xenon D1S with H11, DRL, dynamic bending light); Hella 1ZT 010 012-421 (bi-xenon D1S with LED and H11, DRL, motor, cornering light) |
| Bulb types | dipped/main H7 and H1, H4 on base units, bi-xenon D1S, indicator PY21W, sidelight W5W, W21/5W. |
| Genuine (OE) numbers quoted | None quoted in catalogue listings — order genuine units against your VIN |
| Fitment notes | Magneti Marelli units are labelled original equipment quality; halogen is the standard fit, with bi-xenon and LED at the top and levelling motors on most halogen units. |
A Genuinely Important UK Rule Worth Knowing Before You Buy — Vauxhall Grandland X Headlights
If your Grandland X has factory-fitted halogen headlamp housings, converting them to fit LED bulbs is treated as a definite MOT failure under the current inspection manual — this isn't a grey area or a minor advisory, since a housing designed for halogen doesn't distribute an LED bulb's light output correctly, which can genuinely dazzle oncoming drivers. If you want a genuine LED upgrade, the correct route is a complete headlight unit designed for LED from the factory, not a bulb swap into an existing halogen housing.
Vauxhall Grandland X Headlights: Watch: Replacing It
French, headlight aim adjustment on Grandland X; no English bulb/unit video found.
Vauxhall Grandland X Headlights: What It Does
On the Vauxhall Grandland X, the main and dipped beams, whether conventional bulbs or LED/matrix modules on higher trims, sit inside the headlight unit at an angle calculated to illuminate the road without dazzling other drivers. Many modern units also combine the daytime running light and indicator into that same housing, adding a layer of complexity to both part numbers and repairs.
Vauxhall Grandland X Headlights: Generations, Derivatives & Headlight Type
| Design trim | Halogen or LED as standard depending on model year |
|---|---|
| GS/Ultimate, factory option | Genuine adaptive "AFL LED" headlamps with high beam assist, automatic levelling, and variable lighting distribution profiles for towns, country roads and motorways, plus dedicated cornering, turning and adverse-weather functions — a real, camera-based system rather than a fixed beam pattern, and a genuinely different tier from Vauxhall's own top-spec IntelliLux Matrix system used on the Astra/Insignia/Corsa |
Opens live listings in a new tab.
Vauxhall Grandland X Headlights: Common Faults, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Headlights Guide for the four bulb technologies and how they differ, UK law on aim and modifications, common faults to check for, how difficult this job is to DIY, and confirming fitment against your VIN.
More Vauxhall Headlights
The same part, covered across other Vauxhall models.