Part Number: RH7018-2-21 (Housing)
OE Number: 6189-0386
Key Specifications:
Number of Positions: 1 Position (Female Receptacle, Round Body)
Maximum Current: 20A Max
Rated Voltage: 12V / 24V DC
Ingress Protection: IP67 / IP68
Material & Color: PA66+GF / Black, White inner retainer, Integrated rubber seal
Operating Temperature: -40°C to +120°C
Certifications: ISO9001, CE
| Part Number | RH7018-1-21 (Housing) |
| OE Number | 6189-0386 |
| Key Specifications | |
| Number of Positions | 1 (Female Receptacle, Round Body) |
| Terminal Size | 2.2 mm (HW Series) |
| Maximum Current | 20A Max |
| Rated Voltage | 12V / 24V DC |
| Ingress Protection | IP67 / IP68 |
| Material & Color | PA66+GF / Black, White inner retainer, Integrated rubber seal |
| Operating Temperature | -40°C to +120°C |
| Certifications | ISO9001, CE |
| Target Market | Japan, Thailand, Australia, USA, UAE |
| Target Audience | Japanese vehicle single-circuit power/sensor wiring harness repair kit manufacturers, Sumitomo HW series round female housing parts distributors |
| Applicable Models (Cars/Machinery) | Widely used in Toyota, Honda, Nissan and other models for single-circuit power sensors, relays, and motor controller female interfaces — pairs with male counterpart RH7018-1-11 |
| Key Features | Direct OEM equivalent to Sumitomo 6189-0386; Round housing fits OEM mounting holes; White inner retainer ensures terminal retention; Integrated rubber seal eliminates need for separate wire seal; IP68 full waterproofing |
| Product Description | Professional 1-pin Sumitomo HW 2.2mm series round female housing, equivalent to 6189-0386. Integrated rubber seal and white terminal retainer for reliable single-circuit waterproof connections, mating with RH7018-1-11 male on Toyota and Honda vehicle power sensor harnesses. |
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: Who are we?
A4: 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.
Q5: Are you a factory?
A5: 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.
Q6: How can we guarantee quality?
A6: 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.
Q7: Why should you buy from us instead of other suppliers?
A7: 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.
Q8: What services can we provide?
A8: 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, EUR, CNY
Accepted Payment Methods: T/T, Credit Card, PayPal, Western Union, and Cash
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