Water Pump Impeller Kit - Fits Yamaha 70-300 HP Outboards (Replaces 67F-12411-01-00, 67F-12411-00-00)

Water Pump Impeller Kit - Fits Yamaha 70-300 HP Outboards

This water pump impeller kit is designed for a wide range of 4-stroke outboard motors, including models from Yamaha, Mercury, Suzuki, and Honda. It serves as a reliable replacement for original equipment, ensuring your engine’s cooling system functions effectively.

This kit directly replaces multiple OEM part numbers, including Yamaha 67F-12411-01-00, 67F-12411-00-00, and 6CB-12411-00-00; Sierra 18-3632; Mercury 855676004 and 8556761; Evinrude/Johnson 5033721; Suzuki 17670-90J00 and 17670-90J01; Honda 19300-ZX2-003; and Tohatsu HZX219300003.

• Engine Compatibility: Fits select Yamaha, Mercury, Suzuki, and Honda 4-stroke models.
• Quality Manufacturing: Produced in an ISO9002 certified facility to meet or exceed OEM specifications.
• Installation: Designed for direct replacement of the original factory impeller kit.

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. For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Confirm your engine model/year in the table below. For Suzuki owners, You can review exploded diagrams here to verify part numbers: Suzuki Parts Diagrams & Catalog.

Confirm your engine model/year in the table below.

Technical Specifications

Package Contents

• 1 x Water Pump Impeller
• 1 x Insert Cup
• 1 x Impeller Key

Installation Guide

1. Disconnect the battery and ensure the engine is off and cool before starting.
2. Locate and remove the lower unit (gearcase) from the outboard motor.
3. Unbolt and carefully remove the water pump housing to access the impeller.
4. Take note of the old impeller's rotational direction before removing it from the housing.
5. Remove the old impeller, woodruff key, wear plate, and gaskets.
6. Thoroughly clean all mating surfaces, removing any old gasket material or debris.
7. Install the new gaskets, wear plate, and insert cup into the housing.
8. Slide the new woodruff key onto the drive shaft.
9. Align the keyway and install the new impeller, rotating the driveshaft clockwise (the direction of engine operation) to seat the vanes correctly.
10. Reinstall the water pump housing, ensuring a proper seal, and tighten bolts to the manufacturer's specified torque.
11. Reattach the lower unit to the outboard motor.
12. Reconnect the battery and test the engine using a water supply (flushing attachment or in water) to confirm proper water flow from the tell-tale outlet.

Troubleshooting & FAQ

Q: How do I confirm this impeller kit fits my specific engine?

A: Check your engine's model and year against the compatible models listed in the tables above. It's crucial to also cross-reference your existing part number with the numbers in our "Part Number Cross-Reference" table to ensure an exact match.

Q: What are the signs of a failing water pump impeller?

A: Common signs include the engine overheating, a weak or non-existent water stream from the "tell-tale" outlet, high-temperature alarms, or a noticeable drop in water pressure displayed on your gauges.

Q: How often should I replace my water pump impeller?

A: For optimal performance and to prevent engine damage from overheating, it is recommended to inspect the impeller annually and replace it every 1-2 years or every 100-200 hours of use, depending on operating conditions (e.g., frequent use in saltwater or silty water).

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.