Orbitrade 8-24001 Impeller Kit Yanmar 104211-42070 104211-42071
8-24001
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Orbitrade 8-24001 Yanmar Cooling Pump Impeller Kit
Orbitrade Marine | 8-24001
Orbitrade 8-24001 is an aftermarket six-blade flexible impeller kit for Yanmar raw-water cooling pumps using OEM references 104211-42070 or 104211-42071. The 40 × 19 mm pin-drive impeller is supplied with service gaskets.
Key Features
- ✔ Aftermarket Orbitrade service kit
- ✔ Six flexible blades
- ✔ 40 mm diameter × 19 mm width
- ✔ Approx. 9.5–9.6 mm pin-drive hub
- ✔ Supplied with gaskets
- ✔ For compatible Yanmar seawater pumps
Technical Specs
| Impeller diameter | 40 mm |
| Impeller width | 19 mm |
| Hub / shaft | Approx. 9.5–9.6 mm pin drive |
| Blades | 6 |
| Application | Raw-water engine cooling pump |
| Supply type | Aftermarket kit with gaskets |
| Orbitrade part | 8-24001 |
| EAN | 7332869020251 |
Compatibility / Fitment Guide
Verified Yanmar references: replaces 104211-42070 and 104211-42071. Confirmed families include SB8/SB12, SVE8/SVE12, YSB8/YSB12, YSE8/YSE12, YSM8/YSM12, 2QM15, 2GM/2GM20 and 3GM/3GM30 where the installed pump uses this impeller.
Additional catalogue applications: some distributors list GM20 and QM30. Verify the pump number and old impeller dimensions, especially after a replacement pump has been fitted.
Physical check: 40 mm OD, 19 mm width, six blades and pin-drive hub near 9.5 mm. Spline-drive impellers are not compatible.
Supply type: this is an Orbitrade aftermarket replacement, not genuine Yanmar retail packaging.
Part Number Cross Reference
| Orbitrade | 8-24001 |
| Yanmar current | 104211-42071 |
| Yanmar earlier | 104211-42070 |
| Jabsco | 4528-0001 / 4528-0001-P |
| Johnson Pump | 09-806B |
| Sherwood | 9979 |
| Vetus | IMP00501 |
Frequently Asked Questions
Does it fit every 2GM or 3GM?
Only if the installed pump uses 104211-42070/42071 or the matching 40 × 19 mm pin-drive impeller.
Are gaskets included?
Yes; compare the supplied gasket with the pump cover.
Is it genuine Yanmar?
No. It is an Orbitrade aftermarket replacement.
What else should be inspected?
Check the cover plate, cam, shaft seal and cooling circuit for missing blade fragments.
Lubricate the new impeller with compatible installation lubricant, rotate it in the normal direction during fitting and never run the raw-water pump dry.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
