Brake Light Bulb
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Requirement analysis
Product Analysis
Key Points of the Requirement
Define the bulb type and base (for example P21W/BA15S, W16W, or T10 wedge), voltage (12V or 24V), and wattage, along with the OE cross-reference. State whether traditional halogen or LED retrofit bulbs are required, and for LED versions the canbus compatibility and polarity behavior. Specify homologation needs (ECE R37 for filament bulbs), luminous flux and color requirements (red-clear or colored envelope), rated service life, and vibration resistance expectations. Confirm whether shipments should be single units or multipacks and how they must be labeled and barcoded.
Cost Structure Analysis
For filament bulbs, costs are driven by the glass envelope, tungsten filament and molybdenum supports, base stamping, gas filling, and sealing; for LED retrofit bulbs, by LED chips, the driver circuit, and aluminum heat dissipation. Both routes rely on high-speed production lines with 100% light-on and current testing. At very low unit values, packaging, labeling, and inner cartons become a large share of the delivered cost. Minimum order quantities are typically high, so volume pricing steps are steep.
Estimated Cost Range
For standard halogen brake light bulbs (P21W class), excluding freight and tax, indicative factory pricing is approximately $0.35–$0.70 per bulb at 1,000–9,999 bulbs, $0.25–$0.50 at 10,000–49,999, and $0.18–$0.38 above 50,000 bulbs. LED retrofit equivalents typically price between $1.20 and $3.50 per bulb depending on chip count and canbus integration. Final quotations depend on specification, homologation scope, and packaging requirements.
Procurement Considerations
Prioritize manufacturers with automotive bulb homologation experience (ECE R37) and stable production lines with 100% on-line testing. Request batch test reports covering luminous flux, life-cycle endurance, and dimensional checks of the base and filament position, since filament geometry drives beam performance. Provide OE bulb samples and lamp-housing details, and confirm minimum order quantities, marking and labeling requirements, blister or box packaging, Incoterms, and delivery destination. Samples should be checked for light output, base fit in the socket, glass quality, and life consistency across the batch before production approval.
Supplier shortlist
Top 3 matched suppliers
A comparison-ready shortlist balancing quality systems, product capability, capacity, and commercial flexibility.
#1 recommended
Foshan Electrical and Lighting Co., Ltd.
Established in 1958, FSL is a leading manufacturer of lighting products in China. They specialize in a wide range of automotive lighting solutions, including halogen and LED brake light bulbs, serving both domestic and international OEM and aftermarket sectors.
#2 recommended
Guangdong Cnlight Co., Ltd.
Cnlight is a high-tech enterprise focusing on energy-saving lighting and automotive light sources. They are well-known for their high-quality HID and LED brake lights and indicator lamps, maintaining a strong presence in the global automotive aftermarket.
#3 recommended
Changzhou Xingyu Automotive Lighting Systems Co., Ltd.
Xingyu is one of the largest Chinese manufacturers of automotive lamps, supplying major car brands globally. They design and produce complete rear combination lamps, including integrated brake light modules and individual bulbs.
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