Part Number: RHH4-2A (Socket) / RH623-E7.8x0.8B (Terminal)
OE Number: H4-3P / 9003-HB2
Key Specifications:
Number of Positions: 3 Positions (Triangular arrangement)
Terminal Size: 7.8 mm (High-current E7.8 series)
Maximum Current: 30A Max (Ideal for 100W+ bulbs)
Rated Voltage: 12V / 24V DC
Ingress Protection: IP65 / IP66 (With silicone boot and wire seals)
Material & Color: Ceramic (Core) + High-temp Silicone (Cover) / White & Orange
Operating Temperature: -40°C to +250°C (Ceramic core limit)
Certificates: ISO9001, CE
| Part Number | RHH4-2A (Socket) / RH623-E7.8x0.8B (Terminal) |
| OE Number | H4-3P / 9003-HB2 |
| Key Specifications | |
| Number of Positions | 3 (Triangular arrangement) |
| Terminal Size | 7.8 mm (High-current E7.8 series) |
| Maximum Current | 30A Max (Ideal for 100W+ bulbs) |
| Rated Voltage | 12V / 24V DC |
| Ingress Protection | IP65 / IP66 (With silicone boot and wire seals) |
| Material & Color | Ceramic (Core) + High-temp Silicone (Cover) / White & Orange |
| Operating Temperature | -40°C to +250°C (Ceramic core limit) |
| Certifications | ISO9001, CE |
| Target Market | USA, Russia, Australia, Brazil, Germany |
| Target Audience | Headlight booster wiring harness manufacturers, off-road modification shops, heavy-duty truck electrical repair providers |
| Applicable Models (Cars/Machinery) | Widely applicable to Jeep, Toyota, various heavy-duty trucks, construction machinery, and motorcycles using H4 bulb specifications |
| Key Features | Ceramic core never melts (Anti-Melting); Triple-layer silicone sealing provides excellent waterproofing; 7.8mm reinforced terminals ensure lossless power delivery |
| Product Description | Heavy-duty H4/9003 headlight socket repair kit. Featuring a premium ceramic core encased in a waterproof silicone boot, designed to prevent socket failure and melting under high-wattage loads. |
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