Complete refurbished CAV 3443F630 for John Deere 1640 with guarantee. In advance of purchase we need your old pump, matching numbers, complete, unopened at our place. If not possible, core deposit 400 Euros is billed. Delivery time around one week after purchase - all pumps will be tested for function in front of despatch. If your DPA injection pump code is not listed here, feel free to get in touch. We can repair all DPA pumps upon demand !