Flexible Impeller 51 mm 6303-0003 09-824P for Jabsco Johnson Yanmar Oberdorfer Pump with O-Ring — Germany Local Warehouse
Flexible Impeller 51 mm 6303-0003 09-824P for Jabsco Johnson Yanmar Oberdorfer Pump with O-Ring — Germany Local Warehouse
Product Overview
Flexible impeller kit, 6 blades, 51 mm diameter, 22 mm wide, 8 mm shaft bore, supplied with the cover O-ring. It replaces Jabsco 6303-0003 pumps, Johnson 09-824P pumps, Yanmar 124223-42092 seawater pumps and Oberdorfer 7482 pumps, and crosses to Sierra 18-30005, Vetus IMP00101, CEF 500210 and Milwaukee 49-16-2771. The impeller is H-157. Shipped from our Germany local warehouse.
These pumps are everywhere on inland water: engine raw water, washdown, toilet, bilge transfer. The impeller is the only part that is expected to fail on a schedule, and on a boat that is lifted for winter the winter is when it should be done, not in April.
Frost is the other factor. A pump left full of water through a hard winter can crack the body, and an impeller that sat squeezed against the cam all winter takes a set that no amount of running brings back. The blades stay bent, the flow never returns, and the cover O-ring has usually hardened by the same point.
Specifications & Attributes
| Specification | Detail |
|---|---|
| Condition | New / New with tags |
| Type | Flexible impeller kit |
| Drive Type | Single flat drive |
| Blades | 6 |
| Diameter | 51 mm (2 in) |
| Width | 22 mm (7/8 in) |
| Shaft Diameter | 8 mm (5/16 in) |
| Material | Neoprene |
| Insert | Brass |
| Kit Parts | H-157 impeller, O-ring 1.8 x 50 mm inside diameter |
| Country of Origin | Taiwan |
Cross Reference
| Brand | Part Numbers |
|---|---|
| Jabsco | 22799-0001P, 6303-0003, 6303-0001, 7273-0001 |
| Johnson / Evinrude | 09-824P, 09-824P-9, 09-824B |
| Yanmar | 124223-42092, 124323-42091, 128296-42070, 14242-050 |
| Milwaukee | 49-16-2771, 49162771 |
| Ancor | J050016 |
| Vetus | IMP00101 |
| Oberdorfer | 7482, 6617, 7885 |
| JMP | 7053-01 |
| CEF | 500210 |
| Sierra | 18-30005 |
| Albin | 06-01-007 |
Compatible Engines
| Brand | Pump or Machine | Note |
|---|---|---|
| Jabsco | Pump 6303-0003, 6303-0001, 7273-0001 | Small body, 51 mm impeller |
| Jabsco | 37101 series electric toilet | Toilet pump head |
| Johnson | Pump 09-824P, 09-824P-9, 09-824B | Johnson and Evinrude pump family |
| Yanmar | Seawater pump 124223-42092, 124323-42091 | Small diesel raw water pump |
| Yanmar | 128296-42070, 14242-050 | Same impeller, other application numbers |
| Milwaukee | M18 transfer pump 2771-20 | Cordless transfer pump |
| Oberdorfer | Pump 7482, 6617, 7885 | Oberdorfer pump numbers |
| Vetus | Pump IMP00101 | Vetus cooling pump |
What's Included
| Component | Qty |
|---|---|
| Flexible impeller H-157 | 1 |
| Cover O-ring, 1.8 x 50 mm inside diameter | 1 |
Drive Type and the Shaft Flat
| Shaft Condition | What Happens | What to Do |
|---|---|---|
| Flat clean and square | Insert grips, impeller drives | Fit the new impeller |
| Flat rounded off | Brass insert spins, no flow | Replace the shaft or the pump |
| Rust on the flat | Insert chews itself away | Clean the shaft, then fit |
| Key missing on a keyed pump | Impeller free spins | Use the keyed impeller instead |
| Old impeller seized on shaft | Cut it off, never lever the body | Check the shaft after removal |
Fitting and First Run
| Step | Action |
|---|---|
| 1 | Close the seacock and drain the pump at the end of the season |
| 2 | Remove the cover and bend the old impeller out with two screwdrivers |
| 3 | Clean the pump body and check the cover plate for scoring |
| 4 | Check the cam and the wear plate before rebuilding |
| 5 | Lubricate the new impeller with glycerine or soap |
| 6 | Fold the blades in the running direction as the cover goes down |
| 7 | Fit the new O-ring, then open the seacock before starting |
| 8 | Run at idle and confirm flow before loading the engine |
Condition & Warranty
| Item | Detail |
|---|---|
| Condition | New / New with tags |
| Warranty | Standard |
| Packaging | Sealed retail packaging |
Shipping from Germany
| Destination | Warehouse | Note |
|---|---|---|
| Germany | Germany local warehouse | Domestic delivery, no import duty |
| Austria, Netherlands, Belgium | Germany local warehouse | EU intra-community delivery |
| France, Italy, Spain, Poland | Germany local warehouse | EU intra-community delivery |
Before You Buy
- Match the number on the old impeller or on the pump cover
- Check the size, 51 mm diameter, 22 mm wide, 8 mm shaft
- Inspect the shaft flat, a rounded flat needs a shaft, not an impeller
- Renew the cover O-ring at the same time, it is in the box
- Lubricate with glycerine or soap, never grease or oil
- This is the impeller and O-ring, the pump body is not included
- 30-Day Easy Returns
- Ships from our Germany local warehouse
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