Direct swap LED bulbs for HGV Trucks Lorries Buses Tractors etc. ✅ 24v LED Upgrade bulbs ✅. All these 24v LED bulbs are a direct swap for your bulbs. If your 24v vehicle has bulb out feature on the dashboard then you'll need canbus bulbs for exterior bulbs (side lights, number plate lights etc) Any bulb can be used for the Interior.
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