19233-ZV5-000 Water Pump Impeller Gasket for Honda BF35A BF40A BF40D BF45A BF50A BF50D | JLM Marine

Water Pump Impeller Gasket – Fits Honda 4-Stroke 35–50 HP Outboards | OEM 19233-ZV5-000

This water pump impeller gasket is engineered for Honda Marine 4-stroke outboard engines ranging from 35 HP to 50 HP, including the BF35A, BF40A, BF40D, BF45A, BF50A, and BF50D models across all production years. It ensures a reliable seal within the water pump assembly, preventing leaks and maintaining optimal cooling system performance.

Direct Replacement: OEM part number 19233-ZV5-000. This aftermarket gasket is manufactured to OEM specifications, providing a cost-effective alternative without compromising fit or function.

• Essential component for water pump maintenance and rebuild
• Precision-cut to match OEM dimensions for secure sealing
• Compatible with all years of listed Honda 4-stroke models

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.

Technical Specifications

Package Contents

Your package includes:

• 1 × Water Pump Impeller Gasket (19233-ZV5-000)

Installation Guide

1. Disconnect power: Remove the spark plug wire or disconnect the battery to ensure the engine cannot start during service.
2. Access the lower unit: Remove the propeller, then unbolt and separate the lower unit from the midsection per your service manual.
3. Disassemble the water pump: Remove the water pump housing bolts and carefully lift the housing off the driveshaft.
4. Remove old gasket: Peel away the old impeller gasket and thoroughly clean all mating surfaces of residue and debris.
5. Install new gasket: Position the new 19233-ZV5-000 gasket onto the pump base, aligning all bolt holes precisely.
6. Reassemble the pump: Reinstall the impeller, liner, and housing, ensuring the gasket remains properly seated throughout assembly.
7. Reattach lower unit: Reinstall the lower unit onto the midsection, torquing all fasteners to manufacturer specifications.
8. Test for leaks: Reconnect power, run the engine on a flushing adapter or in a test tank, and inspect for water leaks around the pump area.

Troubleshooting & FAQ

Q: How do I confirm this gasket fits my Honda outboard?
A: Check the Compatible Engine Models table above for your model number (BF35A, BF40A, BF40D, BF45A, BF50A, or BF50D). This gasket fits all production years of these Honda 4-stroke engines. Always compare the gasket shape and dimensions with your original part before installation.

Q: How often should I replace the water pump impeller gasket?
A: Replace the impeller gasket every time you service or rebuild the water pump assembly, typically every 2–3 years or 200–300 hours of operation. Reusing old gaskets can lead to leaks and cooling system failure.

Q: What are the signs that my water pump gasket is failing?
A: Common symptoms include water leaking from the lower unit near the water pump housing, overheating alarms, reduced water flow from the telltale stream, or visible corrosion around the pump area. If you notice any of these signs, inspect and replace the gasket immediately.

Q: Can I reuse the old gasket if it looks intact?
A: No, gaskets are designed for single use. Even if the old gasket appears undamaged, it has compressed and conformed to the previous seal, which compromises its ability to prevent leaks when reinstalled. Always use a new gasket during reassembly.

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.