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Impeller Repair Kit – Fits Jabsco, Johnson, Yanmar (Replaces 653-0001, 09-810B)

Regular price $0.00
Shipping calculated at checkout.

Impeller Repair Kit – Fits Jabsco, Johnson, Yanmar (Replaces 653-0001, 09-810B) is backordered and will ship as soon as it is back in stock.


Worry-free returns

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Delivery and Shipping

Free standard shipping on all orders under 1 KG

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

Product Details

This flexible Impeller Repair Kit – Fits Jabsco, Johnson, Yanmar Marine Engines (Replaces 653-0001, 09-810B) is designed for raw water cooling applications. It is a direct-fit replacement for Yanmar 2GM, 3GM, 2GMF, 3GMF, 2YM, and 3YM series marine diesel engines equipped with 75mm (2-15/16") water pump covers, ensuring reliable performance and easy installation.

The kit serves as a direct interchange for numerous part numbers, including Jabsco 653-0001, Johnson 09-810B / 09-810B-1, Mallory 9-45713, Sierra 18-45713 / 23-3307, Westerbeke 34440 / 034440, and Yanmar 128990-42200 / 128397-42200.

  • Installs as a direct replacement for compatible models.
  • Engineered with a durable neoprene impeller for seawater cooling systems.
  • The kit includes one impeller, two gaskets, and one O-ring for a complete service.

Part Number Matrix

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

Brand Part Number
Jabsco 653-0001
Johnson 09-810B / 09-810B-1
Mallory 9-45713
Sierra 18-45713 / 23-3307
Westerbeke 34440 / 034440
Yanmar X08810B / 128990-42200 / 128397-42200
CEF 500101
Vetus IMP00801

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This kit is confirmed to fit the following Yanmar models with a 75mm water pump cover.

Brand Model Stroke OEM Part No. Notes
Yanmar 2GM 4-Stroke 128990-42200 75mm water pump cover
Yanmar 3GM 4-Stroke 128990-42200 75mm water pump cover
Yanmar 2GMF 4-Stroke 128990-42200 75mm water pump cover
Yanmar 3GMF 4-Stroke 128990-42200 75mm water pump cover
Yanmar 2YM 4-Stroke 128990-42200 75mm water pump cover
Yanmar 3YM 4-Stroke 128990-42200 75mm water pump cover
Yanmar 3YM20 4-Stroke 128990-42200 Referenced as "moteur for Yanmar 3ym20 impeller"

Compatibility has also been noted for the following Volvo Penta models.

Brand Model Notes
Volvo Penta AQ 60 Listed as compatible in SOXAmarine product description
Volvo Penta AQ 80 Listed as compatible
Volvo Penta AQ 90 Listed as compatible
Volvo Penta AQ 95 Listed as compatible
Volvo Penta AQ 100 Listed as compatible
Volvo Penta AQ 110 Listed as compatible
Volvo Penta AQ 115 Listed as compatible
Volvo Penta AQ 120A Listed as compatible
Volvo Penta AQ 130 Listed as compatible
Volvo Penta B 16 Listed as compatible
Volvo Penta BB25 Listed as compatible
Volvo Penta BB30 Listed as compatible
Volvo Penta BB70 Listed as compatible
Volvo Penta BB100 Listed as compatible
Volvo Penta MB 18 Listed as compatible
Volvo Penta MB 20 Listed as compatible
Volvo Penta MD 3B Listed as compatible
Volvo Penta MD 17C Listed as compatible
Volvo Penta MD 17D Listed as compatible
Volvo Penta ND2010B Listed as compatible
Volvo Penta ND2020B Listed as compatible
Volvo Penta ND2023B Listed as compatible
Volvo Penta ND2024B Listed as compatible

It is also a replacement for impellers in the following Johnson pump models.

Brand Model OEM Part No.
Johnson F4B-8 pumps 10-24074-1, 10-24074-13, 10-24074-14, 10-24164-1, 10-24164-2, 10-24570-13, 10-24570-54
Johnson F4B-802 pumps 10-24074-3
Johnson F4B-803 pumps 10-24074-5
Johnson F4B-893 pumps 10-24074-6
Johnson F4B-8001 pumps 10-24099-1
Johnson F4B-8007 pumps 10-24074-7, 10-24074-71, 10-24570-19, 10-24570-52
Johnson F4B-8021 pumps 10-24099-2
Johnson F4B-8027 pumps 10-24074-9
Johnson F4B-8031 pumps 10-24099-3
Johnson F4B-8037 pumps 10-24074-11, 10-24074-12
Johnson F4B-9 pumps Multiple part numbers (21 variants)
Johnson F4B-902 pumps Multiple part numbers (8 variants)
Johnson F4B-903 pumps Multiple part numbers (8 variants)

This kit is compatible with the following Westerbeke generator models.

Brand Model OEM Part No.
Westerbeke 4.0BCD 34440
Westerbeke 4.4BCD 34440
Westerbeke 6.0BCD 34440
Westerbeke 4.4WMD 34440
Westerbeke 7.7WMD 34440
Westerbeke 8.0WMD 34440
Westerbeke 11.0WMD 34440

Technical Specs

Product Type
Flexible Impeller Repair Kit
Installation
Direct Replacement
Material
Neoprene
Application
Raw/Sea Water Cooling
Drive Type
Pin Drive (Slotted Shaft)
Dimensions
Width: 22mm (7/8"), Diameter: 51mm (2"), Shaft: 12mm (15/32")
Weight
0.07 kg (0.15 lbs)
Number of Blades
6
Insert Material
Brass
Profile
G
Pin Diameter
4.9mm
Warranty
1 Year (JMP/GHmarine)

What’s in the Box

  • 1 x Impeller (Replaces Jabsco 653-0001 / Johnson 09-810B)
  • 2 x Gasket (JMP GAK0051, GAK0052)
  • 1 x O-Ring (JMP ORG0052)

Installation Notes

  1. Ensure the engine is off and the seacock is closed before starting.
  2. Locate the raw water pump and place a rag underneath to catch any spills.
  3. Remove the screws or bolts securing the pump's cover plate.
  4. Carefully pry the old impeller out of the housing using pliers or an impeller puller. Note the direction of the vanes.
  5. Clean the inside of the pump housing, removing any debris or old vane pieces.
  6. Lightly lubricate the new impeller and the inside of the housing with a water-based lubricant or glycerin.
  7. Install the new impeller with a slight twisting motion, ensuring the vanes bend in the same direction as the old one.
  8. Replace the gasket or O-ring, then securely re-install the cover plate.
  9. Open the seacock, start the engine, and immediately check for proper water flow and leaks.

Troubleshooting & FAQ

How do I confirm this impeller fits my engine?

The best way is to verify your engine or pump model against our compatibility tables. Additionally, check the dimensions (51mm diameter, 22mm width) and drive type (Pin Drive) against your old part. When in doubt, the part number stamped on your existing impeller is the most reliable reference.

What are the signs of a worn or failing impeller?

Common symptoms include engine overheating at idle or low speeds, a reduced stream of water from the exhaust outlet, and visible cracks or missing blades on the impeller itself upon inspection. A stiff or brittle feel also indicates the neoprene is aging and needs replacement.

How often should I replace my water pump impeller?

As a general rule, impellers should be inspected annually and replaced every 1-2 years, or after every 100-200 hours of engine use. However, frequency depends on usage, water conditions (sandy/silty water causes faster wear), and whether the pump was run dry, which can cause immediate damage.

Is this impeller suitable for use in water with high sand or silt content?

While this neoprene impeller is robust for standard raw water cooling, environments with high levels of sand, silt, or abrasive particles will accelerate wear. In such conditions, more frequent inspection and replacement are highly recommended to prevent pump damage and engine overheating.

Can I install this myself?

Yes, replacing an impeller is a common maintenance task for many boat owners. It typically requires basic hand tools. However, if you are not comfortable with the process or cannot access your raw water pump easily, we recommend professional installation to ensure it's done correctly.

What's the difference between a neoprene and nitrile impeller?

Neoprene impellers (like this one) are primarily used for engine cooling with raw water because of their durability and flexibility. Nitrile impellers are generally used for oil or diesel transfer pumps, as they are more resistant to petroleum-based products but less durable in raw water applications.

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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