Neoprene Flexible Impeller Kit – 12-Blade Spline-Drive Replacement for Jabsco 17935-0001, Johnson Pump 09-819B & Sierra 18-3275
Neoprene Flexible Impeller Kit – 12-Blade Spline-Drive Replacement for Jabsco 17935-0001, Johnson Pump 09-819B & Sierra 18-3275 is backordered and will ship as soon as it is back in stock.
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Neoprene Flexible Impeller Kit – 12-Blade Spline-Drive Replacement ...
Neoprene Flexible Impeller Kit – 12-Blade Spline-Drive Replacement for Jabsco 17935-0001, Johnson Pump 09-819B & Sierra 18-3275 is backordered and will ship as soon as it is back in stock.
Product Details
This neoprene flexible impeller kit is a 12-blade, spline-drive impeller assembly intended for raw-water and seawater cooling pumps. It is listed as a replacement for Jabsco 17935-0001 and may also cross-reference with the aftermarket and manufacturer numbers shown below. Always confirm the pump design, shaft interface, dimensions, and application before installation.
The impeller is made for marine engine cooling applications where the raw-water pump circulates cooling water through the engine and exhaust system. The kit format includes the impeller, a gasket, and a lubricating packet.
- Neoprene flexible impeller for raw-water and seawater cooling systems.
- 12-blade design with a spline-drive mounting interface.
- Brass insert for the pump-shaft connection.
- Supplied with gasket and glycerin lubricating packet.
- Aftermarket replacement; not an OEM-branded component.
Part Number Matrix
The following numbers are reference points for application checking. A number appearing in this table does not by itself confirm fitment for every engine or pump configuration.
| Brand | Part Number |
|---|---|
| Jabsco | 17935-0001 |
| Jabsco | 17935-0001-P |
| Johnson Pump | 09-819B |
| Sierra | 18-3275 |
| Caterpillar | 5L6042 |
| Caterpillar | 5N9360 |
| Caterpillar | 1W9046 |
| Detroit Diesel | 5196628 |
| Detroit Diesel | 8924838 |
| Volvo Penta | 875660 |
| Volvo Penta | 875736 |
| Volvo Penta | 825942 |
| Volvo Penta | 807904 |
| Volvo Penta | 21730344 |
| Volvo Penta | 877066 |
| Volvo Penta | 21951362 |
| Onan | 500135 |
| Perkins | 7054 |
| Ancor | J050035 |
| CEF | 500135 |
Engine and Model Compatibility
The applications below are reference leads associated with the listed cross-reference numbers. Engine family, pump version, serial range, shaft style, and dimensions can vary. Confirm the exact engine and pump specifications before ordering.
| Brand | Model Reference | Related Part Numbers |
|---|---|---|
| Caterpillar | 3304, 3304B, 3306, 3306B, D330C | 5L6042, 5N9360, 1W9046 |
| Detroit Diesel | 6V53, 6V71, 8V53 | 5196628, 8924838 |
| Volvo Penta | TAMD61, TAMD62, TAMD71, TAMD72, TAMD73 | 875660, 875736, 825942, 807904, 21730344, 877066, 21951362 |
| Volvo Penta | MD100, MD120, TD100, TD120, TMD100, TMD120 | 875660, 875736, 825942, 807904, 21730344, 877066, 21951362 |
| Volvo Penta | TAMD100, TAMD102, TAMD120 | 875660, 875736, 825942, 807904, 21730344, 877066, 21951362 |
| Onan | MDL3, MDL4, MDL6 | 500135 |
| Chris-Craft | 350, 454 | Confirm original impeller and pump specifications |
| Pleasurecraft Marine | 302, 351, 454 | Confirm original impeller and pump specifications |
Technical Specifications
- Product Type
- Flexible impeller kit
- Drive Type
- Spline drive
- Material
- Neoprene
- Insert Type
- Brass
- Number of Blades
- 12
- Impeller Profile
- Q profile reference
- Outer Diameter
- 95 mm (3.74 in)
- Width/Depth
- 63 mm (2.48 in)
- Shaft Diameter
- 25 mm (1 in)
- Approximate Weight
- 0.68 kg (1.5 lb)
- Application
- Marine engine raw-water and seawater cooling
What's in the Box
- 1 x Neoprene flexible impeller
- 1 x Gasket
- 1 x Glycerin lubricating packet
Installation Notes
- Stop the engine and close the raw-water intake seacock.
- Remove the cover plate from the water-pump housing.
- Remove the old impeller using suitable pliers or an impeller puller.
- Clean the pump housing and remove debris or broken impeller fragments.
- Position the supplied gasket on the cover plate or pump body as required by the pump design.
- Apply the supplied glycerin lubricant to the impeller and the inside of the pump housing.
- Install the impeller onto the spline-drive shaft, orienting the blades in the correct rotational direction.
- Reinstall the cover plate and tighten the fasteners evenly.
- Open the seacock, start the engine, and check for leaks and proper cooling-water flow.
Troubleshooting and FAQ
How do I confirm this impeller fits my engine?
Match the existing impeller or pump part number with the reference matrix, then verify the impeller diameter, width, shaft diameter, drive interface, and blade count. Engine model alone may not identify the correct pump configuration.
What are common signs of a failing impeller?
Symptoms may include engine overheating at idle or low speed, reduced water flow at the exhaust outlet, damaged blades, cracks, or pieces of neoprene found in the cooling system.
How often should a raw-water pump impeller be replaced?
Inspect the impeller at least annually and replace it according to the engine or pump manufacturer's maintenance schedule. Service life depends on operating hours, water conditions, storage, and whether the pump has been run dry.
Can I use this impeller if my original had a different blade count?
Do not substitute blade counts solely by appearance. Use this 12-blade impeller only when the referenced part number, pump design, and dimensional specifications are confirmed for your application.
What does spline drive mean?
Spline drive describes the grooved mounting interface between the impeller hub and the pump shaft. The hub must match the shaft splines correctly to transfer rotation without slipping.
Can the included gasket look different from the original?
Gasket shapes can vary between pump designs. Compare the supplied gasket with the pump cover and original gasket before installation; do not use it if the sealing surfaces or bolt openings do not match.
Is this an OEM impeller?
No. This is an aftermarket replacement intended for the listed reference applications. Confirm the part number and physical specifications before installation.
What warranty is included?
Warranty coverage, if applicable, is subject to the seller's current terms and the manufacturer's applicable policy. Contact support before installation if the part is damaged or does not match the confirmed application.
Safety and Important Information
- Verify the part number, dimensions, shaft interface, blade count, and pump configuration before purchase.
- Never operate the engine with the raw-water intake closed or with an incorrectly installed impeller.
- Inspect the cooling system for fragments after an impeller failure.
- Follow the engine and water-pump manufacturer's service instructions, and use professional installation when required.
- This is an aftermarket replacement, not an OEM-branded component.
About Sea Sierra
- Marine Replacement Parts — Parts selected for common marine maintenance and repair applications.
- Application-Focused Information — Reference numbers and specifications are provided to help you verify the correct replacement.
- Customer Support — Contact support with your engine, pump, and original part information if application assistance is needed.
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