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Use on Low Side of system.
Shuts off before going into vacuum,
Wire Switch in Series with Coil Wire for Low Side Protection

Can Use 530-4030 OE Switch Kit

10 Pack
R74210
Can Use 440-211B Heavy Duty Version

Includes Two 1/4" Male Switch Ports for Hi and Lo Side Protection, Includes 2 Manifold O-Rings

For Applications with Original John Deere Double Backseat Valves Use 10mm x 1.5 x 80mm Long Bolt
For Applications with Pad Style Block Fittings with Plate Use 10mm x 1.5 x 110mm Long Bolt

Ag Applications

Must Remove Valve Core From Original R12 Port Before Installing

Ag and Automotive Applications

Must Remove Valve Core From Original R12 Port Before Installing

3 1/4" Front to Rear Inside Ear Measurement

Can use Alternative Sanden Compressor - 509-5713
Can use HD SD5 Piston Compressor - 509-57153

Brackets Attach to Original A6 Mounting Brackets