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Use with 500-075 Only

Includes 451-11605 Manifold, 530-4030 Switch Kit, and Two R134a Adapters
Use with A6/Delco and Sanden/Seltec Compressor with GM Pad Mount

OE Style
Gives true High and Low Side Protection
Used in 990-403, 990-404, 990-405, and 990-406 JD Conversion Kits

High Pressure Switch = Normally Closed
Low Pressure Switch = Normally Open

For 500-062 Compressor

Diameter - 4.14"
Splined Hub