Draper Anti-Freeze, Battery And Screenwash Refractometer Kit - RFR john-deere-420-esi6813052 The kit also includes bearings

The kit also includes bearings and has a segment cushion for smooth operation

Authentic Detailing – Features intricate components true to the original combine

For those looking to upgrade the shaft diameter

This repair kit is compatible with the following models:

specifically models 640

Draper Anti-Freeze, Battery And Screenwash Refractometer Kit - RFR john-deere-420-esi6813052 The kit also includes bearingsExpert Quality, precision refractometer used for measuring anti freeze strength, battery fluid and screenwash strength. Designed to work with the new anti freeze technology such as G11, G12 and G13. Automatic temperature compensation (ATC) ensures accurate and dependable results. Supplied with calibration screwdriver, calibration fluid, pipette and cleaning cloth. Packed in storage case. Anti freeze measuring range 0 to 50 Battery fluid gravity