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Protects Clutch From Slipping Due to Low Voltage, Maintains Adequate Voltage to Clutch Coil at All Times

Includes Suction and Discharge Manifolds and a Pressure Relief Valve
Fits 503-116 and 503-117 Compressors

Can Re-use Original Manifolds. For Manifold Replacement Kit, Order 451-1173K

3 Pistons / 6 Cylinders
Click here to view Differences

Can use HD Alternative Denso Compressor - 503-1163
Can use HD Sanden Style Compressor - 503-117

503-117 Sanden Style Compressor Will Not Fit John Deere Models 2250, 2450, 2650, 2650N, 2850, 2355, 2555, 2755, 2855N, 2955, 3050, 3350, 3650, 3055, 3155, 3255 With John Deere AL63652 Compressor Mounting Bracket

Includes 27 O-Rings
Single Application, Covers all Utility John Deere Tractors

Heavy Duty Dry-Tech Series to Replace Original OE Parker

Can Use Original JD Version 804-5502
Can Use Alternative Version 804-5501