Flexible Rubber Water Pump Impeller 17018-0001 – 8 Blade Neoprene 65 mm Spline – Fits JMP 7446-01
Flexible Rubber Water Pump Impeller 17018-0001 – 8 Blade Neoprene 65 mm Spline – Fits JMP 7446-01
Flexible Rubber Water Pump Impeller 17018-0001 – 8 Blade Neoprene 65 mm Spline – Fits JMP 7446-01
Flexible Rubber Water Pump Impeller 17018-0001 – 8 Blade Neoprene 65 mm Spline – Fits JMP 7446-01
Flexible Rubber Water Pump Impeller 17018-0001 – 8 Blade Neoprene 65 mm Spline – Fits JMP 7446-01
Flexible Rubber Water Pump Impeller 17018-0001 – 8 Blade Neoprene 65 mm Spline – Fits JMP 7446-01
Flexible Rubber Water Pump Impeller 17018-0001 – 8 Blade Neoprene 65 mm Spline – Fits JMP 7446-01
Flexible Rubber Water Pump Impeller 17018-0001 – 8 Blade Neoprene 65 mm Spline – Fits JMP 7446-01

Flexible Rubber Water Pump Impeller 17018-0001 – 8 Blade Neoprene 65 mm Spline – Fits JMP 7446-01

Vendor: JLM Marine
Availability: In Stock
Product Type: Flexible Rubber Impeller
$45.60
$45.60
Subtotal: $45.60

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Flexible Rubber Water Pump Impeller 17018-0001 – 8 Blade Neoprene 65 mm Spline – Fits JMP 7446-01

Flexible Rubber Water Pump Impeller 17018-0001 – 8 Blade Neoprene 65 mm Spline – Fits JMP 7446-01

$45.60
Descripción

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 17018-0001, and is also supplied against JMP 7446-01 and Caterpillar 3N5895.

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 76 mm / 3 in. wide, not the 50 mm 920-0001 or 68 mm 31130-0061)
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 12-spline insert (Jabsco Profile M). JMP 7446-01 is 65 mm diameter, 76 mm width and 16 mm (5/8 in.) bore. It is not interchangeable with 8-blade 50 mm spline 920-0001 or 10-blade 68 mm spline 31130-0061.

  • ✓ Primary OEM: Jabsco 17018-0001
  • ✓ Product form: 8-blade neoprene impeller, brass 12-spline insert, 76 mm width
  • ✓ Fitment: part number, then width, then drive type

Part Number Cross-Reference

Use this table to confirm equivalent part numbers. Jabsco 17018-0001P and JMP 7446-01K are kit numbers. This listing is the impeller only.

Type Brand Part Number Notes
OEM Jabsco Pump 17018-0001 Primary reference. 8-blade neoprene, Profile M, 12-spline
OEM Jabsco Pump 17018-0001P Source-sheet kit number. O-rings and lubricant are not included
OEM JMP Pump 7446-01 Bare impeller. JMP 7446-01K adds ORG0067, ORG0071 and lubricant
OEM Caterpillar 3N5895 JMP 7446-01 equivalent. Match the original number
Other brand Industry interchange K-1103 Source-sheet other-brand number for this SKU

Compatible Engine Models

Confirm the original impeller number and measure about 76 mm width on a 12-spline hub. JMP 7446-01 also lists Volvo Penta 3583602, 3593573, 3817587, 3819486 and 21730348; match those original numbers rather than a D6 or D9 family dump. Do not assume every CAT 3208 uses this part.

Brand Engine / Pump Model Original Part No. Notes
Jabsco / JMP Pumps specified for 17018-0001 or 7446-01 17018-0001, 7446-01 8-blade, 12-spline, 65 × 76 × 16 mm
Caterpillar Engines whose parts list calls for 3N5895 3N5895 JMP 7446-01 equivalent. Match the original number
JMP pumps JPR-VP0060DA, JPR-VP0090D, JPR-VP0110DB 7446-01 JMP published pump models for 7446-01. Confirm the impeller number on the pump

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) 76 mm (3 in.)
Shaft bore diameter (C) 16 mm (5/8 in.)
Insert / drive type 12-spline
Insert material Machined brass
Vane material Neoprene rubber (Jabsco Profile M)

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 plate gasket, O-rings and lubricant are not included. Jabsco 17018-0001P and JMP 7446-01K add those service parts.

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 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 17018-0001, JMP 7446-01 or CAT 3N5895, and the brass hub is a 12-spline about 76 mm wide on a 65 mm 8-blade impeller, this part is the correct size.

Is this the same as Jabsco 920-0001 / JMP 7400-01? +

No. 920-0001 is also 8-blade 65 mm 12-spline, but it is 50 mm wide. This listing is 76 mm wide.

Is this the same as Jabsco 31130-0061 / JMP 7420-01? +

No. 31130-0061 is 10-blade and 68 mm wide. This listing is 8-blade and 76 mm wide.

Will this fit every Volvo Penta D6 or CAT 3208? +

No. Only engines whose parts list calls for 17018-0001, 7446-01 or 3N5895. JMP also lists Volvo 3583602, 3593573, 3817587, 3819486 and 21730348. Match the original number.

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. Jabsco 17018-0001P and JMP 7446-01K are kit numbers that add O-rings and lubricant. 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 an 8-blade, 65 mm 12-spline impeller, 76 mm wide. It will not fit 50 mm 920-0001 or 68 mm 31130-0061.
  • 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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