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Flexible Rubber Water Pump Impeller 17240-0001 – 9 Blade Neoprene 12-Spline – Fits Jabsco 18789-0001
- $94.80
- $94.80
- Unit price
- per
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How to Match This Part
This is a flexible rubber raw water pump impeller. It sits inside the pump housing behind the cover plate and is driven by a 12-spline shaft. It replaces the primary original part number Jabsco 17240-0001 (also 18789-0001), and is also supplied against JMP 9001-01, DJ 08-15-0901 and Caterpillar 7E3022.
Match this part by checking your engine in this order:
1. Original impeller part number (stamped on the old impeller or listed in the pump section of your parts catalog)
2. Blade count (this listing is 9 blades)
3. Drive type (this listing is a 12-spline hub, 25 mm bore — not the double-flat 18786-0001 / 9000-01 cousin)
4. Diameter and width (this listing is 117 mm diameter and 88.5 mm wide)
Identify it physically before ordering. This impeller has nine vanes moulded in black neoprene around a machined brass 12-spline insert. JMP 9001-01 is 117 mm diameter, 88.5 mm width and 25 mm bore. An isometric photo of this SKU can look like ten vanes; JMP 9001-01 and DJ 08-15-0901 both specify nine.
- ✓ Primary OEM: Jabsco 17240-0001
- ✓ Product form: 9-blade neoprene impeller, brass 12-spline insert, 117 × 88.5 × 25 mm
- ✓ Fitment: part number, then blade count, then spline vs double-flat
Part Number Cross-Reference
Use this table to confirm equivalent part numbers. Some retailers list 18789-0001P or 9001-01K as a kit. This listing is the impeller only.
| Type | Brand | Part Number | Notes |
|---|---|---|---|
| OEM | Jabsco | 17240-0001 | Primary reference. 9-blade neoprene, 12-spline |
| OEM | Jabsco | 18789-0001 | Current Jabsco number for the same spline impeller |
| OEM | JMP Pump | 9001-01 | 9-blade 12-spline equivalent |
| OEM | DJ Pump | 08-15-0901 | 9-blade spline equivalent |
| OEM | Caterpillar | 7E3022 | Excel CAT number for this SKU. Confirm the hub is spline, not double-flat 18786-0001 |
| Other brand | Industry interchange | K-175 | Source-sheet other-brand number |
| Other brand | Industry interchange | 888-175 | Source-sheet other-brand number |
Compatible Engine Models
Confirm the original impeller number and count nine blades on a 12-spline hub 88.5 mm wide. Do not assume every Cummins K19 or CAT 3406/3412 pump uses this impeller.
| Brand | Engine / Pump Model | Original Part No. | Notes |
|---|---|---|---|
| Jabsco / JMP / DJ / CAT | Pumps specified for 17240-0001, 18789-0001, 9001-01, 08-15-0901 or 7E3022 | 17240-0001, 18789-0001, 9001-01, 08-15-0901, 7E3022 | 9-blade, 12-spline, 117 × 88.5 × 25 mm |
| Jabsco | 29860, 29870, 29880 and 29890-series pump bodies listed for 17240-0001 / 18789-0001 | 17240-0001, 18789-0001 | Jabsco pump models. Match the impeller number |
| JMP Pump | JPR-C1905 replacement raw-water pump | 9001-01 | JMP pump model that uses this impeller. Match the impeller number |
Technical Specifications
| Specification | Value |
|---|---|
| Part type | Flexible rubber impeller, raw water pump |
| Number of blades | 9 |
| Impeller diameter (A) | 117 mm |
| Impeller width / depth (B) | 88.5 mm |
| Shaft bore diameter (C) | 25 mm |
| Insert / drive type | 12-spline |
| Insert material | Machined brass |
| Vane material | Neoprene rubber |
Package Contents
This listing is for the impeller only, as shown in the impeller in the product images. Please refer to the part number cross-reference table to confirm component details.
Cover gasket, O-ring and lubricant are not included.
Installation Guide
- 1 Stop the engine, let it cool, and close the raw water seacock so water cannot enter the boat while the pump is open.
- 2 Remove the cover plate screws and lift off the cover. Keep the screws and the old gasket together so you can compare the seal size when reassembling.
- 3 Note the 12-spline orientation, then grip the brass insert and pull the old impeller straight off. Recover any broken vane pieces from the downstream cooling circuit before continuing.
- 4 Clean the housing bore and the wear plate, and inspect them for scoring. Apply a marine-grade impeller lubricant, glycerine or soapy water to the bore and the new vanes. Do not use petroleum-based grease, which attacks neoprene.
- 5 Align the 12-spline in the brass insert with the pump shaft, then press the impeller in while turning the shaft in the normal direction of rotation so all nine vanes lay over the same way.
- 6 Refit the cover plate with a serviceable gasket, tighten the screws evenly in a crisscross pattern, open the seacock, then start the engine and confirm a solid stream of cooling water and no leaks at the cover.
Note: Professional installation is recommended to ensure safety and optimal performance.
Troubleshooting & FAQ
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist, even if your model is listed, do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- The impeller is supplied on its own. Cover seals and lubricant must be ordered separately if your service procedure requires them.
- This is a 9-blade, 117 mm 12-spline impeller, 88.5 mm wide with a 25 mm bore. It will not fit double-flat 18786-0001 / 9000-01 of the same envelope.
- Never run the pump dry. Even a few seconds without water will damage the neoprene vanes.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
- Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
- Fast Global Shipping: Free delivery worldwide in 5–15 days.
- Direct from Manufacturer: Competitive pricing without compromising quality.
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Para nuestros clientes típicos de EE. UU. y Canadá , nuestros plazos de envío son los siguientes:
- Amazon FBA : los pedidos se entregarán dentro de 1-5 días hábiles después de realizar el pedido (durante ciertos períodos especiales como promociones importantes, Navidad, etc., el tiempo de entrega de Amazon FBA puede verse afectado).
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Al realizar un pedido, estimaremos las fechas de envío y entrega según la disponibilidad de sus artículos y las opciones de envío que elija. Dependiendo del proveedor de envío que elija, las fechas de envío estimadas podrían aparecer en la página de presupuestos de envío.
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Fundada en 2002, JLM Marine se ha consolidado como un fabricante dedicado de piezas marinas de alta calidad, con sede en China. Nuestro compromiso con la excelencia en la fabricación nos ha ganado la confianza de las principales marcas marinas a nivel mundial.
Como proveedor directo, evitamos intermediarios, lo que nos permite ofrecer precios competitivos sin comprometer la calidad. Este enfoque no solo promueve la rentabilidad, sino que también garantiza que nuestros clientes reciban el mejor valor directamente del proveedor.
Estamos entusiasmados de ampliar nuestro alcance a través de canales minoristas, llevando nuestra experiencia y compromiso con la calidad directamente a los propietarios de embarcaciones y entusiastas de todo el mundo.
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