6E5-44315-A0 Impeller Gasket for Yamaha 115HP 130HP | JLM Marine

Water Pump Impeller Gasket – Fits Yamaha 2-Stroke 115–130 HP Outboards

This aftermarket water pump impeller gasket is engineered to fit Yamaha 2-stroke outboard engines rated at 115 HP and 130 HP, spanning model years 1984–1994. It provides a reliable seal for your water pump assembly, ensuring proper cooling system performance and preventing leaks during operation.

Direct Replacements: This gasket replaces Yamaha OEM part numbers 6E5-44315-00-00 and 6E5-44315-A0-00, as well as Sierra aftermarket number 18-0244, offering seamless compatibility with your existing water pump components.

• Single precision-cut gasket designed for Yamaha 2-stroke outboards
• Ensures proper sealing between impeller housing and pump body
• Direct fit for 115 HP and 130 HP models from the mid-1980s to early 1990s

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.

Technical Specifications

Package Contents

Your purchase includes:

• 1 × Impeller Gasket (6E5-44315-A0)

Installation Guide

1. Disconnect the battery and ensure the engine is completely cool before beginning work.
2. Remove the lower unit according to your engine's service manual to access the water pump assembly.
3. Carefully disassemble the water pump housing, noting the orientation of all components for reassembly.
4. Remove the old impeller gasket and clean both mating surfaces thoroughly to remove any residue or debris.
5. Inspect the impeller, housing, and wear plate for damage or excessive wear; replace if necessary.
6. Position the new gasket on the pump base, aligning all bolt holes and ensuring it sits flat.
7. Reinstall the impeller (with a light coating of water-resistant grease on the blades) and the wear plate in their proper orientations.
8. Carefully lower the pump housing over the impeller, guiding the drive pin into place without forcing.
9. Torque all fasteners to the manufacturer's specified values in a criss-cross pattern to ensure even compression.
10. Reattach the lower unit to the midsection, ensuring the driveshaft and water tube are properly seated.
11. Reconnect the battery and perform a water test, checking for strong water pump discharge (telltale stream).
12. Inspect for any leaks around the pump housing and verify consistent cooling system performance under load.

Troubleshooting & FAQ

Q: How do I confirm this gasket fits my specific Yamaha outboard?
A: Cross-reference your engine model and year with the compatibility table above. You can also verify the OEM part number (6E5-44315-00 or 6E5-44315-A0) in your engine's parts diagram or service manual to ensure a perfect match.

Q: How often should I replace the impeller gasket?
A: Replace the impeller gasket every time you service or replace the water pump impeller—typically every 2–3 years or 200–300 hours of operation. Always use a new gasket to maintain a proper seal and prevent leaks.

Q: What are the signs that my water pump gasket is failing?
A: Common symptoms include weak or absent telltale water discharge, engine overheating, water leaks around the lower unit, or visible corrosion/damage on the gasket during inspection. Replace immediately if any of these occur.

Q: Can I reuse the old gasket if it looks undamaged?
A: No, gaskets are designed for single use. Even if the old gasket appears intact, it has compressed and conformed to the mating surfaces and will not seal properly upon reinstallation, risking leaks and overheating.

Q: Is this an OEM or aftermarket gasket?
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.