Multiquip D4494301004 Lining - OEM Replacement Part for Welder-Generator

This protective lining component provides critical insulation and thermal protection for the internal welding circuit components of Multiquip welder-generators. The lining helps prevent overheating of power transistors (PTR) and insulated-gate bipolar transistors (IGBT) on the welding side, which can trigger protective error codes E10 and E20 if components become abnormally hot. Proper lining condition is essential for maintaining safe operating temperatures during high-demand welding applications, especially when operating in dual mode with outputs ranging from 30-340A at engine speeds from 2300-3600 rpm.

This lining is designed for welder-generators that support both CC and CV welding modes with dual welding terminals. It plays a vital role in protecting sensitive electronics during extended welding operations and helps ensure reliable performance when operating at variable engine speeds. Regular inspection of internal protective components like this lining during maintenance intervals helps prevent unexpected shutdowns and extends equipment service life.

Compatible with the following Multiquip welder-generator models:

• DLW330X2

Genuine Multiquip OEM part, sold by an authorized dealer.