Generac replacement pump 0K1663 (00715040K1663) OEM pump for compatible generators — new, direct-fit

This is an authentic Generac replacement pump, sold new and bulk packed as part number 0K1663 (also referenced as 00715040K1663). It’s supplied as a direct-fit OEM component intended for field service or DIY repair where the manufacturer’s part number matches your equipment. Always confirm compatibility with your unit’s owner manual before purchase and follow installation guidelines to ensure safe, reliable operation.

How do I know this pump fits my Generac unit?

Confirm the pump fits by checking the part number in your generator’s parts list or owner manual; the 0K1663 is listed for specific Generac models. If your manual lists 0K1663 or 00715040K1663, this is the matching factory replacement. When in doubt, cross-reference the numbers below with your parts diagram.

• Compatible models recorded: Generac 5987, 6595, 6022.
• Verify the part number printed in your owner or service manual.
• Compare physical mounting points and connector types before installation.

What should I expect from a genuine OEM replacement pump?

Genuine OEM parts are built to the original factory specifications and engineered to match the profile, mounting, and performance of the original pump. Using an OEM component reduces the risk of fitment issues and maintains the designed operating characteristics of the system. This part is supplied new and bulk packed, ready for installation.

• Factory-specified dimensions and mounting alignment.
• Materials and seals matched to original equipment standards.
• New condition, not refurbished — direct replacement reliability.

What installation and safety steps should I follow?

Always disconnect power and follow the safety procedures in your Generac owner or service manual before servicing any component. Proper installation ensures pump longevity and safe operation; use recommended tools and torque values listed by Generac. If you are not comfortable performing the replacement, hire an authorized service technician.

• Disconnect battery or power source before removal.
• Reference torque and sealant guidance in the service manual.
• Inspect hoses, clamps, and electrical connections when replacing the pump.

How do I verify part authenticity and avoid incorrect replacements?

Buy from trusted suppliers, check the part number 0K1663/00715040K1663, and inspect packaging and markings on the pump. Authentic Generac parts are labeled and match factory drawings; aftermarket parts may differ in fit or finish. Keep your purchase receipt and part number for records and warranty considerations.

• Look for genuine Generac labeling and packaging.
• Compare part markings against your owner manual or parts list.
• Retain proof of purchase and supplier contact information.

This OEM Generac 0K1663 pump is designed for technicians, maintenance personnel, and informed DIYers who need a factory-correct replacement part to restore or maintain Generac equipment. It’s ideal for users servicing Generac models 5987, 6595, and 6022, or anyone who requires a new, genuine pump to ensure proper fitment and continued reliable performance. If your unit’s documentation lists 0K1663, this part provides a straightforward way to replace a worn or damaged pump while keeping your system aligned with manufacturer specifications.