Multiquip 21745 Yanmar Alternator Harness Adaptor Assembly - OEM Replacement Part

This alternator harness adaptor assembly provides the critical electrical connection between Yanmar engines and the alternator system on Multiquip ride-on trowels. Technicians need this adaptor when replacing damaged wiring harnesses, troubleshooting charging system failures, or performing engine conversions that require proper electrical integration between the alternator and the machine's electrical system.

Designed specifically for Yanmar-powered ride-on trowel models, this adaptor assembly ensures proper voltage regulation and charging system performance. The assembly is engineered to withstand the vibration, heat, and environmental conditions typical of concrete finishing equipment operation. When diagnosing charging issues or no-start conditions on Yanmar-equipped trowels, inspect this harness adaptor for signs of corrosion, loose connections, or damaged terminals that can interrupt the charging circuit.

Compatible with the following Multiquip models:

• HTX-44K4
• STX55J6

Genuine Multiquip OEM part, sold by an authorized dealer.