LED Light Bulbs – G4 / G9 / GU10 / E14 / E27 Bulb

LED Replacement Bulbs — G4 / G9 / GU10, for YYJLX Lighting Fixtures Only. Genuine replacement bulbs for YYJLX Lighting light fixtures, available in three base types: G4 bi-pin for slim pendants and cabinet lights, G9 twist-lock for chandeliers and wall sconces, and GU10 bayonet for spotlights and track heads. Each runs on AC 110–240V with an integrated LED module, available in three colour temperatures to match your fixture's original output. ⚠ Purchase Policy — Please Read Before Ordering * Note: Not for Retail Sale - Will not ship if purchased separately. These bulbs are sold exclusively as replacement parts for customers who have purchased a YYJLX Lighting fixture — either in a current order or previously. Standalone bulb-only orders from new customers will be automatically cancelled and fully refunded. If you did not buy your fixture from YYJLX Lighting, we recommend purchasing a compatible bulb on Amazon — shipping is faster and the selection is broader. Order Cancellation & Refund If no qualifying fixture purchase is found in your order history, the order will be cancelled and refunded automatically within 3–7 business days. If you believe your order was cancelled in error, contact our support team with your order number before cancellation is processed. Who can place a bulb order Existing Customer Previously purchased a fixture from YYJLX Lighting and need a replacement bulb. Order here. Buying a Fixture Now Adding a fixture to your cart at the same time. Spare bulbs can be included in the same order. New Customer, Bulb Only No YYJLX Lighting fixture in order history. Order will be cancelled and refunded. Go to Amazon instead. Available Base Types G4 Bi-Pin Two straight pins, 4 mm apart. Used in slim table lamps, under-cabinet lights, and compact pendants. G9 Twist-Lock Looped pins, push-in and twist. Most common across YYJLX Lighting sconces, chandeliers, and pendants. GU10 Bayonet Twist-to-lock bayonet feet. Used in recessed spotlights, track fixtures, and directional heads. Colour Temperature Select at time of order — integrated LED, fixed at manufacture. Warm White 3000K Default Amber-warm tone. Matches the original output of most YYJLX Lighting fixtures shipped with a warm bulb. Best for bedrooms, dining rooms, and living spaces. Neutral White 4000K Clean, balanced white. Suitable for home offices, kitchens, and task areas where colour accuracy matters more than warmth. Daylight 6000K High-clarity, cool white. Best for utility and work areas. Not recommended for bedrooms or dining rooms.