Is your pool pump leaking water from the bottom or losing prime when the system shuts off?

A worn, cracked, or missing drain plug gasket can cause persistent leaks, air intrusion, and reduced pump efficiency especially after winterization or freeze damage.

The Hayward SPX4000FG Drain Plug & Gasket is a genuine replacement designed to restore a watertight seal and proper pump operation.

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Fixes Common Pump Leak & Prime Issues

Replacing your drain plug and gasket helps correct:

• Water leaking from pump housing

• Pump losing prime

• Air entering suction system

• Cracked winterization plugs

• Worn or flattened gaskets

• Slow drip equipment pad leaks

A tight seal is critical for maintaining circulation performance.

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Genuine Hayward OEM Replacement

The SPX4000FG is manufactured to original Hayward specifications for proper thread fit and sealing performance.

Designed as a direct replacement installs in minutes with no modifications required.

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Compatible With Hayward Pump Models

Fits select Hayward pump and filter systems, including:

• Hayward Super Pump Series

• Hayward MaxFlo Pumps

• Hayward NorthStar Pumps

• Hayward TriStar Pumps

• Select Hayward filter housings

(Always confirm model compatibility before purchase.)

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Essential for Winterization & Freeze Repairs

Drain plugs are commonly removed during winterization to prevent freeze damage.

This replacement is ideal for:

• Lost winterizing plugs

• Cracked plugs from freezing

• Spring pool openings

• Equipment pad leak repairs

• Preventative maintenance

A fresh gasket ensures proper sealing after seasonal startup.

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Key Features & Benefits

• Genuine Hayward replacement plug

• Includes sealing gasket

• Restores watertight pump seal

• Prevents air & water leaks

• Durable chemical-resistant construction

• Easy hand-thread installation

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Product Details

• Brand: Hayward

• Part Number: SPX4000FG

• Product Type: Drain Plug & Gasket

• Material: Heavy-duty plastic plug + rubber gasket

• Application: Pool Pump / Filter Drain Port

• Use: Winterization & leak repair

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If your pump is dripping, pulling air, or missing its drain plug after winter, circulation performance will suffer.

Restore a proper seal and prevent leaks with the Hayward SPX4000FG Drain Plug & Gasket Replacement.

SHIPPING: We will do our best to ship your order based on the shipping method selected, however in some cases, your shipping method may need to be modified to meet shipping requirements based on the carrier. Our current carriers used are UPS, FedEx and USPS. Please contact us directly through the "Contact Seller" link if you need UPS, FedEx or USPS specifically for your order.