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Flexible Impeller Kit – Fits Jabsco/Sherwood/Volvo Penta (Replaces 18838-0001, 09959K, 835512)

Regular price $29.95

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Delivery and Shipping

Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


International delivery times may vary due to customs processing.


Tracking information will be provided once your order ships.

If you have any questions, feel free to email us at info@seasierra.com, and we’ll get back to you within 20–36 hours.

Product Details

This Flexible Impeller Kit 7192-01K is a 12-blade neoprene component designed for marine water pumps in Volvo Penta, Westerbeke, Onan, and other inboard engine cooling systems. It is engineered with WAX branding technology for durability and performance.

It serves as a direct cross-reference for multiple OEM and aftermarket parts, including Jabsco 18838-0001, Johnson 09-701B-1, Sherwood 9959K, and Volvo Penta 835512.

  • Direct replacement installation for simplified maintenance.
  • Formulated for use in both fresh water and sea water environments.
  • Complete kit includes the impeller, multiple gaskets, and an O-ring for a full service.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket brands.

Brand Part Number
Jabsco 18838-0001
Johnson 09-701B-1
Sherwood 9959
Sherwood 9959K
Volvo Penta 835512
Volvo Penta 3854286
Onan 132-0117
Onan 132-0317
Sierra 23-3301
Sierra 23-3313
Westerbeke 33104
Westerbeke 11907
Pleasurecraft R061015
Chris-Craft 16.80-90049
Chris-Craft 16.80-90166
Crusader 1003026
Crusader 22212
Yamaha YSC-101-03-01

Engine & Model Compatibility

While this impeller is known to fit many models, verifying your engine's original part number is the most reliable way to ensure compatibility. Confirm your engine model and part requirements in the table below.

This kit is reported to fit various inboard and generator models from the following brands. Always cross-reference your existing part number.

  • Volvo Penta: Compatible with models requiring part 835512 or 3854286.
  • Westerbeke: Fits models using part 33104 or 11907.
  • Onan: Replaces parts 132-0117 or 132-0317 in generator models.
  • Pleasurecraft: Used in PCM Ford belt-driven water pumps corresponding to part R061015.

Technical Specs

Product Type
Flexible Impeller Kit
Installation
Direct replacement
Impeller Material
Neoprene with WAX branding technology
Insert Type
Key Drive
Insert Material
Brass
Number of Blades
12
Dimensions
Impeller Diameter: 62.5mm (2-7/16"), Width: 32mm (1-1/4"), Shaft Diameter: 16mm (5/8")
Weight
0.18 kg (0.40 lbs) approx.
Application
Marine engine cooling, water transfer, wash down, bilge water pumping
Compatible Fluids
Fresh water, sea water
Warranty
1 Year Manufacturer's Warranty

What’s in the Box

  • 1 x JMP Marine Flexible Impeller #7192-01
  • 1 x Gasket (GAK0044)
  • 1 x Gasket (GAK0046)
  • 1 x Gasket (GAK0048)
  • 1 x Gasket (GAK0049)
  • 1 x O-Ring (ORG0039)

Installation Notes

  1. Turn off the engine and close the raw water intake seacock.
  2. Access the water pump and remove the cover plate screws and cover.
  3. Use impeller pullers or two flathead screwdrivers to carefully remove the old impeller.
  4. Clean the inside of the pump housing and inspect it for scoring or damage.
  5. Lightly lubricate the new impeller and the inside of the housing with a suitable marine lubricant.
  6. Insert the new impeller, aligning the keyway on the shaft with the slot in the impeller insert. Bend the blades in the direction of pump rotation.
  7. Install the new gasket and replace the pump cover plate, tightening the screws evenly.
  8. Open the seacock, start the engine, and check immediately for proper water flow and leaks.

Troubleshooting & FAQ

How can I confirm this impeller fits my specific engine?

The best method is to match the part number from your old impeller or service manual to the numbers in our Part Number Matrix. Verifying dimensions against our Technical Specs is a reliable secondary check.

What are the signs of a worn or failed impeller?

Common symptoms include engine overheating at idle or low speeds, reduced water flow from the exhaust outlet, visible cracks, stiffness, or missing blades on the impeller itself.

How often should I replace my engine's water pump impeller?

For preventative maintenance, most marine engine manufacturers recommend replacing the impeller annually or every 100-200 service hours, whichever comes first. Refer to your engine's service manual for specific intervals.

What can cause an impeller to fail prematurely?

The most common cause is running the pump dry, which generates excess heat and friction. Other causes include pumping sandy or debris-filled water, chemical degradation from winterizing fluids, and simple age-related material fatigue.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

Safety & Important Info

  • Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
  • This is an aftermarket replacement, not an OEM component.
  • Professional installation is recommended for safety and performance.

About Sea Sierra

  • Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
  • Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
  • Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.

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