Replacement part numbers: 704-586 704-551.
1 x aftermarket piston rod 704551 704586 Complete piston rod with ball, cage and retainer inside.
Piston pump repair kit compatible with Advantage 400 500 600 Impact 440 540 640 and 320 321.
There are steel balls and accessories inside the piston rod. High-quality piston rod, new processing technology, longer service life.
Please make sure the interchange part number matches the part you are replacing

Colour:Photo Color
Material:Metal+Plastic

Package Contents:
1 x piston rod
1 x seal gasket repair kit