General description A pack of 50 male, non-insulated terminals designed for use with Mercedes-Benz and BMW electrical connector sensors. These terminals are specifically suitable for 4-pin oxygen sensor connectors, equivalent to OEM 14521427964. Technical specifications Overall length: 27.37mm Width: 3.19mm Pin length: 9.86mm Compatibility and accessories Compatible with yellow weatherproof seals, Part No. 37484 Included in assorted box of male & female terminals, Part No. 37685 Installation For optimal sealing, use a Laser ratchet crimping tool, Part No. 7642, which features specially designed jaws for a professional crimp.