Flexible Rubber Water Pump Impeller 920-0001 – 8 Blade Neoprene 65 mm Spline Drive – Fits JMP 7400-01
Flexible Rubber Water Pump Impeller 920-0001 – 8 Blade Neoprene 65 mm Spline Drive – Fits JMP 7400-01
Flexible Rubber Water Pump Impeller 920-0001 – 8 Blade Neoprene 65 mm Spline Drive – Fits JMP 7400-01
Flexible Rubber Water Pump Impeller 920-0001 – 8 Blade Neoprene 65 mm Spline Drive – Fits JMP 7400-01
Flexible Rubber Water Pump Impeller 920-0001 – 8 Blade Neoprene 65 mm Spline Drive – Fits JMP 7400-01
Flexible Rubber Water Pump Impeller 920-0001 – 8 Blade Neoprene 65 mm Spline Drive – Fits JMP 7400-01
Flexible Rubber Water Pump Impeller 920-0001 – 8 Blade Neoprene 65 mm Spline Drive – Fits JMP 7400-01
Flexible Rubber Water Pump Impeller 920-0001 – 8 Blade Neoprene 65 mm Spline Drive – Fits JMP 7400-01

Flexible Rubber Water Pump Impeller 920-0001 – 8 Blade Neoprene 65 mm Spline Drive – Fits JMP 7400-01

Vendor: JLM Marine
Availability: In Stock
Product Type: Flexible Rubber Impeller
$32.40
$32.40
Subtotal: $32.40

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Flexible Rubber Water Pump Impeller 920-0001 – 8 Blade Neoprene 65 mm Spline Drive – Fits JMP 7400-01

Flexible Rubber Water Pump Impeller 920-0001 – 8 Blade Neoprene 65 mm Spline Drive – Fits JMP 7400-01

$32.40
Описание

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 splined shaft. It replaces the primary original part number Jabsco 920-0001, and is also supplied against Johnson 09-1028B, JMP 7400-01, DJ 001-0801 and Sherwood 18200.

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. Width (this listing is 50 mm / 2 in. thick, not the 37 mm 8-blade 11979-0001)
3. Drive type (this listing is a 12-spline hub, not a key drive)
4. Pump model (cast or labelled on the pump body)

Identify it physically before ordering. This impeller has eight vanes moulded in black neoprene around a machined brass spline insert. JMP 7400-01 is 65 mm diameter, 50 mm width and 16 mm (5/8 in.) bore. Jabsco 5915-0001 is the same size family (2 in. / 51 mm width). It is not interchangeable with 8-blade 11979-0001 (65 × 37 mm) or with 12-blade 65 mm key-drive 18948-0001.

  • ✓ Primary OEM: Jabsco 920-0001
  • ✓ Product form: 8-blade neoprene impeller, brass 12-spline insert, 50 mm width
  • ✓ Fitment: part number, then width, then drive type

Part Number Cross-Reference

Use this table to confirm equivalent part numbers. JMP 7400-01K and Sherwood 18200K are kit numbers. This listing is the impeller only.

Type Brand Part Number Notes
OEM Jabsco Pump 920-0001 Primary reference. Same-size family also listed as 5915-0001
OEM Jabsco Pump 1111-0001, 14868-0001, 31070-0051, 4325-0480, 5915-0001, 702-0001, 920-0008, 920-0009, 964-0001 Source-sheet superseded / alternate Jabsco numbers for this size
OEM Johnson Pump (SPX Flow) 09-1028B / 09-1028B-1 / 09-1028BT-1 Spline-drive 8-blade impeller
OEM JMP Pump 7400-01 Bare impeller. JMP 7400-01K is a kit
OEM DJ Pump 001-0801 8-blade spline equivalent
OEM Sherwood Pump 18200 Bare impeller
OEM Sherwood Pump 18200K Source-sheet kit number. This listing does not include gasket or O-ring
OEM Kashiyama SP-70 JMP 7400-01 equivalent
OEM Nikkiso F20CBC JMP 7400-01 equivalent
OEM Yanmar 123325-42020, 127610-42200, 127610-42270, 120650-42310 JMP 7400-01 list. 127610-42270 also appears on the 57 mm 12-blade family — confirm original PN and 50 mm width
OEM Cummins / Onan 650607, 3N1906, 24880031, 132-0436 Source-sheet numbers. 3N1906 is also listed as Caterpillar
OEM Caterpillar 3N1906 / 2637536 / 263-7536 JMP lists 2637536; 3N1906 kept from source sheet
OEM Perkins 0460024 / 24880031 / 24880178 JMP 7400-01 equivalent
OEM Northern Lights 25-11011 JMP 7400-01 equivalent
Other brand Industry interchange K-112 Source-sheet other-brand number
Other brand Industry interchange 888-112 Source-sheet other-brand number for this SKU

Compatible Engine Models

Confirm the original impeller number and the 8-blade 50 mm 12-spline hub. Do not assume every Yanmar inboard or Volvo Penta D4 uses this part.

Brand Engine / Pump Model Original Part No. Notes
Jabsco / Johnson / Sherwood Pumps specified for 920-0001, 09-1028B or 18200 (Jabsco 777 / 5330 / 12280 family) 920-0001, 09-1028B, 18200 8-blade, 12-spline, 65 × 50 × 16 mm
Yanmar Engines whose parts list calls for 123325-42020, 127610-42200, 127610-42270 or 120650-42310 123325-42020, 127610-42200, 127610-42270, 120650-42310 Match the original number and 50 mm width. Do not dump 3JH / 4JH
Cummins Onan / Perkins / CAT / NL Generators and engines whose parts list calls for 132-0436, 650607, 0460024, 2637536 or 25-11011 132-0436, 650607, 0460024, 2637536, 25-11011 Match the original number. Do not dump D4 / 4045 families

Technical Specifications

Specification Value
Part type Flexible rubber impeller, raw water pump
Number of blades 8
Impeller diameter (A) 65 mm (2-9/16 in.)
Impeller width / depth (B) 50 mm JMP / 51 mm (2 in.) Jabsco
Shaft bore diameter (C) 16 mm (5/8 in.)
Insert / drive type Spline drive (12 per JMP 7400-01)
Insert material Machined brass
Vane material Neoprene rubber

Package Contents

This listing is for the impeller only, as shown in the product images. Please refer to the part number cross-reference table to confirm component details.

Cover plate gaskets, O-rings and lubricant are not included. JMP 7400-01K and Sherwood 18200K add those service parts. If your service procedure calls for a new cover seal, order it separately against your pump model.

Installation Guide

  1. 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. 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. 3 Note the 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. 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. 5 Align the splines 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 eight vanes lay over the same way.
  6. 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

How do I confirm this fits my engine? +

Start from the original impeller number. If the old part is Jabsco 920-0001 / 5915-0001, Johnson 09-1028B, JMP 7400-01, DJ 001-0801, Sherwood 18200, Kashiyama SP-70, Nikkiso F20CBC or the Yanmar / Onan / CAT numbers in the table, and the brass hub is a 12-spline drive about 50 mm wide on a 65 mm 8-blade impeller, this part is the correct size.

Is this the same as Jabsco 11979-0001 / JMP 7200-01? +

No. Both are 8-blade 65 mm spline, but 11979-0001 is 37 mm wide. This listing is 50 mm wide and will not seat in a 11979-0001 housing.

Will this fit every Volvo Penta D4 or Yanmar 3JH? +

No. Only engines whose parts list calls for 920-0001, 7400-01, 123325-42020 or the other verified numbers. Match the original number and measure the old impeller width.

What are the signs that my impeller needs replacing? +

The usual symptoms are a weak or intermittent stream of cooling water, rising engine temperature, and vanes that are cracked, flattened, hardened or missing on inspection. Flexible impellers are a wear item; inspect on a fixed service interval rather than waiting for failure.

Is this a kit or just the impeller? +

This listing is the impeller only. JMP 7400-01K and Sherwood 18200K are kit numbers that add gaskets, O-rings and lubricant.

Is this an OEM or aftermarket part? +

This listing is an aftermarket replacement part and is not an OEM component. We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

How fast do you ship and how much does it cost? +

We offer fast global shipping, typically 5–15 days worldwide, and standard shipping is free. Expedited options are available at checkout depending on your location.

What is your warranty and return policy? +

This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window for unused items in original condition; please see our policy page or reach out for instructions.

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 an 8-blade, 65 mm 12-spline impeller, 50 mm wide. It will not fit 37 mm 11979-0001 or 12-blade key-drive 18948-0001.
  • 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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О компании JLM Marine

Основанная в 2002 году, компания JLM Marine зарекомендовала себя как специализированный производитель высококачественных морских деталей, базирующийся в Китае. Наша приверженность совершенству в производстве заслужила нам доверие ведущих мировых морских брендов.

Как прямой поставщик, мы обходим посредников, что позволяет нам предлагать конкурентоспособные цены без ущерба качеству. Такой подход не только поддерживает экономическую эффективность, но и гарантирует, что наши клиенты получают наилучшую ценность напрямую от источника.

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