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

Includes 31 O-Rings & Quick Coupler Seals
Single Application Covers Most JD Combines & Cotton Pickers

Heavy Duty Dry-Tech Series to Replace Original OE Parker

Can use Alternative Version 804-5321

1/4" Mounting Holes - 1" Apart Center to Center, R12 and R134a Compatible

Can Use OE Red Dot Version - 71R8321

New AP Air design 6E171 compressor with late Denso 10PA17 internal design.

5 Pistons / 10 Cylinders
Click here to view Differences

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

Can use OE Style Denso - 503-116
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