
This page is here to provide a special service to those aquarists who still own and use the Mod Four Filter. Even though the filter has not been produced for 20 years, many of these filters are still in use and many more just require a few parts to get them up and running. We still have many of the replacement parts for these filters and these are available direct from Kordon. Just write, call or e-mail us with your needs. Obviously, not all parts shown on this page are in stock, but we will be happy to ship you those that are. Because we no longer manufacturer these filters, any part that is out of stock will not be re-ordered. We can also do some repairs on these units or we will be happy to give service advice or quote prices. The Mod four was produced in two major configurations: the original unit was designated the Modu Filter, model 200, or 1200. We no longer have internal parts for these filters. The second and most common unit was called the Mod Four, the model numbers for this series are 400, 1400, 1401, 1403, 1404 and 1405. These are the units we still maintain some parts for. Copies of the original manual are also available.

ILLUSTRATED PARTS LIST
1. Pump for 1400, 1403
2. 6" Filter Canister
3. 2" Tie Rod (brass)
4. "O" Ring
5. End cap
6. Thumb Screw, male
7. Foam Gasket
9. Filter Core Blanket Retainer
10. 6" Filter Core
11. Filter Core Foam Blanket
12. Pump for 1405 (w/o Speed Control)
13. End Screen
14. 2" Filter Canister
15. "U" Tubes
16. "U" Tube Bracket
17. Diffuser
18. Inlet Filter
ILLUSTRATED
INTERNAL PARTS LIST:
1. 14454 Lid to Body Screw
2. 14453 Pump Lid
3. 14452 Air Shroud
4. 14456 Cooling Fan
5. 14455 Motor
6. 14461 Motor Mount Kepnuts (4)
7. 14457 Driver with Magnet
8. 14460 Motor Mount
9. 14451 Pump Body
10. 14470 Impeller
11. 14474 Thrust Washers (2)
12. 14475 Bearing Block
13. 14476 Bearing Block Screws
14. 14473 Impeller shaft
15. 14465 Line Cord
16. 14463 PC Board
17. 14469 Control Knob
18. 14462 Motor Mount Screw Set (4)
19 14468 Strain Relief
20 14473 Impeller Shaft (early style)
21. 14440 Impeller (early style)
22. 14445 Bearing Block (early style)
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Product Code |
Product Description |
Price |
| 13407 | K-507 Diatom Core Base |
$ 3.00 |
| 13408 | K-508 Diatom Filter Bags, 7 per set |
$ 4.00 |
| 13417 | Diatom Bypass Valve |
$ 8.00 |
| 13420 | 2" Filter Canister |
$ 9.00 |
| 13430 | 6" Filter Canister |
$ 9.00 |
| 13433 | 6" Filter Core |
$ 3.00 |
| 13437 | Filter Core Blanket Retainer |
$ 2.00 |
| 13438 | Filter Core Bypass Caps, set of 2 |
$ 3.00 |
| 13450 | End Cap |
$ 7.00 |
| 13452 | End Screen |
$ 2.00 |
| 13454 | "O" Ring |
$ 5.00 |
| 13458 | Thumb Screw - male |
$ 1.50 |
| 13459 | Thumb Screw - female |
$ 1.50 |
| 13481 | "U" Tube & Bracket |
$ 5.00 |
| 13482 | Suction Tube |
$ 2.00 |
| 13485 | Diffusor |
$ 1.50 |
| 13487 | 2" Tie Rod (brass) |
$ 2.00 |
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INTERNAL PUMP PARTS |
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| 14451 | Pump Body, stripped with inserts |
$ 18.00 |
| 14452 | Air Shroud |
$ 6.00 |
| 14453 | Pump Lid |
$ 3.00 |
| 14455 | Motor, 110 VAC |
$ 11.00 |
| 14456 | Cooling Fan |
$ 1.00 |
| 14457 | Driver, with magnet |
$ 5.00 |
| 14457A | Driver, without magnet |
$ 2.00 |
| Motor Bearings, set of 2 |
$ 4.00 |
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| Motor Armature |
$ 3.00 |
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| Motor Coil |
$ 5.00 |
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| 14460 | Motor Mount |
$ 4.00 |
| 14462 | Motor Mount Screw Set (4 ea) |
$ 2.00 |
| 14470 | Impeller, with magnet |
$ 4.50 |
| 14473 | Impeller Shaft, stainless steel |
$ 3.00 |
| 14474 | Impeller Thrust Washers, set of 2 |
$ 1.00 |
| 14475 | Bearing Block |
$ 1.50 |
| 144576 | Bearing Block Screw Set (3 ea) |
$ 1.00 |