Part Number: RH7011B-4.8-11 (Housing) / RH614B-4.8×0.8B (Terminal)
OE Number: 6188-0083 (Sumitomo, Part Name: WP187AY-1M-GR, Toyota: 90980-10982, Mating: 6189-0145)
Key Specifications:
Number of Positions: 1 Position (Male Plug, Sealed)
Terminal Size: 4.8 mm (.187 Series, pin flat contact, 4.8×0.8mm)
Maximum Current: 28A (Ref., Sumitomo official single circuit in free air)
Ingress Protection: Sealed (Single Wire Sealed / Silicone Wire Seal)
Wire Size: 0.30 - 3.00 mm²
Material & Color: PBT / Gray
Certificates: ISO9001, CE
| Part Number | RH7011B-4.8-11 (Housing) / RH614B-4.8×0.8B (Terminal) |
| OE Number | 6188-0083 (Sumitomo, Part Name: WP187AY-1M-GR, Toyota: 90980-10982, Mating: 6189-0145) |
| Key Specifications | |
| Number of Positions | 1 (Male Plug, Sealed) |
| Terminal Size | 4.8 mm (.187 Series, pin flat contact, 4.8×0.8mm) |
| Maximum Current | 28A (Ref., Sumitomo official single circuit in free air) |
| Ingress Protection | Sealed (Single Wire Sealed / Silicone Wire Seal) |
| Wire Size | 0.30 - 3.00 mm² |
| Material & Color | PBT / Gray |
| Certifications | ISO9001, CE |
| Target Market | Japan, USA, Australia, Thailand, UAE |
| Target Audience | Toyota/Lexus and Japanese vehicle modification shops, high-current waterproof wiring harness manufacturers, Sumitomo connector stock traders |
| Applicable Models (Cars/Machinery) | Widely used in Toyota (90980-10982), Lexus and other Japanese models for A/C compressor electromagnetic clutch, cooling fans, high-current relays, and engine bay waterproof single-wire circuits — pairs with female counterpart 6189-0145 |
| Key Features | Direct equivalent to Sumitomo 6188-0083 / Toyota 90980-10982; 4.8mm (.187) large terminal specification; Single-circuit high-current capacity up to 28A; PBT weather-resistant gray housing; Single-hole rubber waterproof wire seal |
| Product Description | Professional 1-pin 4.8mm (.187) waterproof male auto connector plug, OEM equivalent to Sumitomo TS 187 sealed series 6188-0083 (Toyota 90980-10982). Gray PBT housing rated up to 28A for automotive A/C clutch and fan wiring, mating with 6189-0145 female socket. |

Q1: What is your delivery time?
A1: Our delivery time varies by product. For items in stock, we can ship them out quickly. For products not in stock, production usually takes about one week. The final delivery date will then depend on the destination country and the shipping method you choose. Feel free to contact us for more specific information based on your order.
Q2: Are samples available?
A2: Yes, we offer free samples. You would only need to cover the shipping cost. Normally, we provide 1 to 3 pieces per product type, and free samples are available for up to 5 different types. If the samples are in stock, we can send them out at no extra charge beyond freight.
Q3: Could you produce according to customers' design?
A3: Yes, we support customization based on your design. This includes connector housing colors, wiring harnesses, logos, and packaging boxes. We're happy to discuss the specific details with you at any time—just let us know your requirements.
Q4: What is your MOQ?
A4: For new customers, we have no minimum order quantity requirement. However, we recommend purchasing by the bag, as it is more cost-effective and convenient. Each bag typically contains 100 to 200 connectors.
Q5: How do you price your products?
A5: We offer flexible pricing options. For small quantities, we sell at retail prices, which are relatively higher. For orders meeting our recommended minimum quantity, wholesale prices apply. The final price depends on the product type and order volume—the larger the quantity, the better the price you'll get.
Q6: Who are we?
A6: We are Rui'an Ruihong Trading Co., Ltd. Established in 2018, we are a comprehensive trading company headquartered in Tangxia Town, Ruian, Wenzhou, Zhejiang—the heart of China's automobile and motorcycle industry. We specialize in the sales of auto parts, motorcycle components, automotive connectors, copper terminals, wiring harnesses, and related materials. In addition, we offer a wide range of import and export services to support global business partnerships.
Q7: Are you a factory?
A7: Yes, we are a factory, and we also handle export trading directly. Our manufacturing facility covers 8,000 square meters, and we work with partnered wire harness and plug/seal manufacturers to ensure complete production support. Our factory produces 100,000 connectors per day on average, and we maintain regular stock for our popular products to ensure fast delivery.
Q8: How can we guarantee quality?
A8: We have a strict quality control process in place. We always provide a pre-production sample for your approval before mass production begins. Additionally, we conduct a final inspection on every shipment before dispatch to ensure that all products meet your specifications and quality standards.
Q9: Why should you buy from us instead of other suppliers?
A9: We are deeply engaged in the auto parts, motorcycle spare parts, automotive connector copper terminals, and wiring harnesses industry. With 17 years of experience in R&D and pilot production, we have built a solid reputation and deep expertise in the field. Our combination of manufacturing capability, quality control, and customer-focused service makes us a trusted partner for clients worldwide.
Q10: What services can we provide?
A10: We offer comprehensive and flexible services to meet your needs:
Accepted Delivery Terms: FOB, CFR, CIF, EXW, FCA, DDP, and Express Delivery
Accepted Payment Currencies: USD, CNY
Accepted Payment Methods: T/T, Credit Card, PayPal, Western Union, and Cash