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Flexible Rubber Water Pump Impeller 17938-0001 – 12 Blade Neoprene 95 mm Spline – Fits JMP 8326-01
Flexible Rubber Water Pump Impeller 17938-0001 – 12 Blade Neoprene 95 mm Spline – Fits JMP 8326-01
Flexible Rubber Water Pump Impeller 17938-0001 – 12 Blade Neoprene 95 mm Spline – Fits JMP 8326-01
Flexible Rubber Water Pump Impeller 17938-0001 – 12 Blade Neoprene 95 mm Spline – Fits JMP 8326-01
Flexible Rubber Water Pump Impeller 17938-0001 – 12 Blade Neoprene 95 mm Spline – Fits JMP 8326-01
Flexible Rubber Water Pump Impeller 17938-0001 – 12 Blade Neoprene 95 mm Spline – Fits JMP 8326-01
Flexible Rubber Water Pump Impeller 17938-0001 – 12 Blade Neoprene 95 mm Spline – Fits JMP 8326-01
Flexible Rubber Water Pump Impeller 17938-0001 – 12 Blade Neoprene 95 mm Spline – Fits JMP 8326-01

Flexible Rubber Water Pump Impeller 17938-0001 – 12 Blade Neoprene 95 mm Spline – Fits JMP 8326-01

Vendor: JLM Marine
Availability: In Stock
Product Type: Flexible Rubber Impeller
$74.40
$74.40
Subtotal: $74.40

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Flexible Rubber Water Pump Impeller 17938-0001 – 12 Blade Neoprene 95 mm Spline – Fits JMP 8326-01

Flexible Rubber Water Pump Impeller 17938-0001 – 12 Blade Neoprene 95 mm Spline – Fits JMP 8326-01

$74.40
Description

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 17938-0001, and is also supplied against JMP 8326-01 and DJ 09-45-1201.

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 12 blades — not the 9-blade 8250-01 of the same envelope)
3. Drive type (this listing is a 12-spline hub, 25 mm bore)
4. Width (this listing is 95 mm wide, not the 88.8 mm 8301-01 of the same diameter)

Identify it physically before ordering. This impeller has twelve vanes moulded in black neoprene around a machined brass 12-spline insert. JMP 8326-01 is 95 mm diameter, 95 mm width and 25 mm bore. It is not interchangeable with 9-blade 8250-01 of the same envelope, or with 88.8 mm-wide 8301-01 of the same diameter.

  • ✓ Primary OEM: Jabsco 17938-0001
  • ✓ Product form: 12-blade neoprene impeller, brass 12-spline insert, 95 mm width, 25 mm bore
  • ✓ Fitment: part number, then blade count, then width

Part Number Cross-Reference

Use this table to confirm equivalent part numbers. JMP 8326-01K is a kit number. This listing is the impeller only.

Type Brand Part Number Notes
OEM Jabsco Pump 17938-0001 Primary reference. 12-blade neoprene, 12-spline
OEM JMP Pump 8326-01 JMP 12-blade 12-spline equivalent
OEM DJ Pump 09-45-1201 12-blade spline equivalent
Other brand Industry interchange K-1140 Source-sheet other-brand number
Other brand Industry interchange 888-1140 Source-sheet other-brand number for this SKU

Compatible Engine Models

Confirm the original impeller number and count twelve blades on a 25 mm 12-spline hub 95 mm wide. Do not assume every Volvo Penta D12, D13 or D16 uses this part.

Brand Engine / Pump Model Original Part No. Notes
Jabsco / JMP / DJ Pumps specified for 17938-0001, 8326-01 or 09-45-1201 17938-0001, 8326-01, 09-45-1201 12-blade, 12-spline, 95 × 95 × 25 mm
JMP JPR-VP0120D, JPR-VP0130D, JPR-VP0160D pump bodies 8326-01 JMP pump models that use this impeller. Match the impeller number, not an engine family

Technical Specifications

Specification Value
Part type Flexible rubber impeller, raw water pump
Number of blades 12
Impeller diameter (A) 95 mm
Impeller width / depth (B) 95 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. JMP 8326-01K is a kit number; kit extras are not included.

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 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 twelve 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 17938-0001, JMP 8326-01 or DJ 09-45-1201, and the brass hub is a 25 mm 12-spline 95 mm wide on a 95 mm 12-blade impeller, this part is the correct size.

Is this the same as 8250-01 / SP-300? +

No. Those numbers are 9-blade impellers of the same 95 × 95 mm envelope. This listing is 12 blades. Count blades before ordering.

Is this the same as 17936-0001 / 8301-01? +

No. Those numbers are 12-blade 12-spline impellers 88.8 mm wide. This listing is 95 mm wide. Measure the old impeller width before ordering.

Will this fit every Volvo Penta D12, D13 or D16? +

No. Only pumps whose parts list calls for 17938-0001 or JMP 8326-01. Match the original number rather than an engine family.

Is this a kit or just the impeller? +

This listing is the impeller only. JMP 8326-01K is a kit number. Photos of this SKU show the impeller on its own.

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 a 12-blade, 95 mm 12-spline impeller, 95 mm wide with a 25 mm bore. It will not fit 9-blade 8250-01 of the same envelope, or 88.8 mm-wide 8301-01 of the same diameter.
  • 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.
Shipping

We can ship to virtually any address in the world with free shipping available for most regions.

For our typical US and Canadian customers , our shipping timeframes are as follows:

  • Amazon FBA: orders will be delivered within 1-5 business days after placing the order (during certain special periods such as major promotions, Christmas, etc., the delivery time of Amazon FBA may be affected).
  • US warehouse shipment: orders will be delivered within 5 days after placing the order.
  • China warehouse shipment: orders will be delivered about 12 days after placing the order.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

About JLM Marine

Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.

As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.

We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.

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