Other Tool Spare Parts Description
This Other Tool Spare Parts is indexed for s: Fit for following models: Miller Welder: BIG BLUE 302P, BIG BLUE 400D CC, BIG BLUE 401DXQ, BIG BLUE 500, BIG BLUE 600, BIG BLUE 600DX, Trailblazer 44D. Compare reference number 65978 against the label on your existing component before ordering.
Before checkout, compare OEM part number 65978, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.




