YLCNC 6181-0073 4 PIN Oxygen Sensor Connector Automotive Wire Harness Cable Assembly

Industry data shows that connector failures account for a significant share of automotive electrical faults, especially in 4-pin circuits exposed to moisture. The YLCNC-0426 is a 4-pin sealed automotive wire harness cable assembly connector that cross-references OE NO. 6181-0073, offering wire-to-wire waterproof protection with both male and female types are available. As a CE, IATF16949 and RoHS certified manufacturer, we provide samples and maintain deep bulk stock to serve repair shops, distributors and harness factories with short lead times.

If you need samples, you can place an order through our online store link: www.ylcnc-auto.com

Specifications

Company Strengths

• 18 Years Production Experience

• 11,000 ㎡ Production Base

• 270+ Employees

• 15,000+ Product Types

• IATF16949 Certified

• Professional R&D & Mold Team

• Full Customization & Domestic Replacement

• Stable Quality & On-Time Delivery

Product Advantages

1. Direct OE alternative: The YLCNC-0426 cross-references OE NO. 6181-0073, offering identical 4-pin pinout and housing dimensions for hassle-free replacement in existing harnesses.

2. Certified manufacturing quality: Produced under CE, RoHS and IATF16949 systems, with 100% inspection before shipment to ensure every cable assembly connector meets specification.

3. Wide vehicle compatibility: Suitable for use across Toyota and other automotive applications requiring a 4-pin sealed connection.

4. Robust PBT enclosure: Built from flame-retardant PBT with superior dimensional stability, the black housing resists warping, cracking and chemical attack over extended service.

5. Moisture-proof sealing: Each of the 4 cavities is fitted with a single wire seal, creating a watertight barrier that protects contacts from humidity, mud and chemical exposure.

6. Secure wire-to-wire connection: An integrated locking latch ensures a firm mechanical bond between mating halves, eliminating loose connections caused by vibration.

Main Application Scenarios

1. Factory-fit connector solution for Toyota applications, matching the original 4-pin mounting and pinout specifications.

2. Engine sensor connections, including coolant temperature, camshaft and crankshaft position sensors that demand stable 4-wire signaling.

3. Daytime running light and auxiliary lamp wiring, where the 4-pin sealed design protects against rain, snow and car wash exposure.

4. Body wiring links for relays, switches and small control modules in passenger cars and light commercial vehicles.

5. Connector replacement during vehicle maintenance and restoration, providing a cost-effective alternative to the dealer-only OE 6181-0073 part.

Service Advantages

1. Customized Services: We develop products per customers’ drawings, samples and parameter requirements, and optimize product structures. Mould development and domestic alternative replacement are available.

2. Standard Services: Supply of standard products with steady production capacity and controllable lead time. Fast production and delivery for bulk regular orders.

3. Value-added Services: Professional technical support is provided. We can offer various qualification documents and test reports, with prompt after-sales response.

Video

Inspection Equipments

FAQ

Q1: Is this connector a cross-reference replacement for OE NO. 6181-0073?

A1: Yes. YLCNC-0426 is a cross-reference replacement for OE NO. 6181-0073, with the same 4-pin layout, PBT housing and single wire seal, fitting all original automotive applications of the 6181-0073 connector.

Q2: Is special tooling required to install this connector?

A2: Standard crimping tools compatible with the terminal size are sufficient for installation. The connector uses a positive-latch design that mates by hand, and terminals can be removed with a standard extraction tool if needed.

Q3: What wire gauge is compatible with this connector?

A3: Wire gauge, wire length and wire color can all be customized to meet your specific harness requirements. Contact our technical team with your wire specifications for a tailored solution.

Q4: What is the lead time for bulk orders?

A4: Standard products with bulk stock available can ship within a short lead time. For customized orders or larger quantities, lead time depends on the specific requirements and production schedule. Contact us for an accurate delivery estimate.

Q5: What certifications does your company and product have?

A5: Our factory is certified to IATF16949, and the products comply with CE and RoHS requirements. Qualification documents and test reports can be provided on request.

Q6: Are both male and female versions available?

A6: Yes, both male and female types are available for selection. You can choose the gender that matches your harness design, or order mating pairs for complete wire-to-wire connections.