AR31561 R32324 R26816 New Left Side Sway Block Fits John Deere Tractor 4010One New Aftermarket Replacement Left Side Sway Block Fits John Deere Tractor 4010 This left hand (LH) sway block is a direct replacement for the 3 point hitch stabilizer system on the Fits John Deere 4010 tractor. The sway block mounts to the hitch linkage to limit lateral movement of the lower lift arms, keeping implements properly aligned during field operation. Note: this listing is for the left hand side only (AR31561). The matching right hand