Impeller Kit for Volvo Penta D4 Diesel Engines – Fits Multiple Marine Applications (Replaces 3588475, 877061-2)

Impeller Kit for Volvo Penta D4 Diesel Engines – Fits Multiple Marine Applications (Replaces 3588475, 877061-2)Impeller Kit for Volvo Penta D4 Diesel Engines Fits Multiple Marine Applications (Replaces 3588475, 877061 2) This flexible impeller kit is an essential cooling system component designed for a wide range of Volvo Penta D4 diesel engines. It is compatible with the D4 180, D4 210, D4 225, D4 260, and D4 300 series engines, ensuring reliable performance for various marine applications. As a direct replacement for multiple OEM part numbers, this kit

Impeller Kit for Volvo Penta D4 Diesel Engines – Fits Multiple Marine Applications (Replaces 3588475, 877061-2)

This flexible impeller kit is an essential cooling system component designed for a wide range of Volvo Penta D4 diesel engines. It is compatible with the D4-180, D4-210, D4-225, D4-260, and D4-300 series engines, ensuring reliable performance for various marine applications.

As a direct replacement for multiple OEM part numbers, this kit provides a straightforward installation. It cross-references with Volvo Penta 3588475, 877061-2, 825941, and 801277, as well as parts from Jabsco, Caterpillar, Detroit Diesel, Mercruiser, Perkins, Yanmar, and Vetus.

• Complete Kit: Includes a 10-blade flexible impeller with a spline drive, plus the necessary gasket and O-rings for a full replacement.
• Durable Material: The impeller is made from high-quality neoprene, known for its robustness in marine environments.
• Installation Method: Designed for direct OEM replacement, facilitating a smooth maintenance process.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below.

JMP Marine Pump Applications

Technical Specifications

Package Contents

• 1 x Impeller (7426-01/17937-0001)
• 1 x Gasket (GAK0016)
• 1 x O-Ring (ORG0013)
• 1 x O-Ring (ORG0071)
• 2 x Screws (included with Volvo kit)

Installation Guide

1. Safety First: Ensure the engine is turned off and completely cool before starting. Close the seacock to prevent water from entering the boat.
2. Locate the Pump: Find the raw water pump on your engine. Its location can vary, so consult your engine manual if needed.
3. Access the Impeller: Remove the pump cover plate by unscrewing the retaining screws. Keep track of the screws and any associated washers.
4. Remove the Old Impeller: Using impeller pulling tools or two flat-head screwdrivers, carefully pry the old impeller out of the pump housing. Note the direction of the blades as you remove it.
5. Clean the Housing: Inspect the pump housing for debris, cracks, or wear. Clean it thoroughly to ensure a good seal.
6. Install the New Impeller: Lightly lubricate the inside of the pump housing and the new impeller with a water-based lubricant or glycerine. Insert the new impeller with a rotating motion, ensuring the blades bend in the correct direction (matching the old one).
7. Replace Gasket and O-Rings: Install the new gasket and any O-rings included in the kit onto the cover plate.
8. Reassemble: Secure the cover plate back onto the pump housing with the screws. Tighten them evenly in a crisscross pattern to ensure a proper seal.
9. Final Check: Re-open the seacock. Start the engine and immediately check for any leaks around the pump cover. Confirm that water is flowing correctly through the cooling system.

Troubleshooting & FAQ

Q: How do I confirm this impeller kit fits my Volvo Penta D4 engine?
A: The best way is to cross-reference your existing part number with the numbers listed in our "Part Number Cross-Reference" table. You can also verify fitment by checking your engine model and series against our "Compatible Engine Models" list. This kit fits D4-180 through D4-320 models.

Q: How often should I replace the engine's water pump impeller?
A: For most marine engines, it is recommended to inspect the impeller annually and replace it every 1-2 years, or after a specific number of engine hours as suggested by your engine manufacturer. Frequent use in sandy or silty water may require more frequent replacement.

Q: What are the signs of a failing impeller?
A: Common signs of a failing impeller include engine overheating, a reduced flow of water from the exhaust outlet, visible cracks or missing blades on the impeller itself, and a stiff or brittle texture. If you notice any of these, the impeller should be replaced immediately to prevent engine damage.

Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (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.

Q: How fast do you ship and how much does it cost?
A: 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.

Q: What is your warranty and return policy?
A: 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 (unused & 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.
• 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.