Hayward Hex Nut with Washer for StarLite Pumps SP0540 SP0541 SP0542 SP0543 | SPX0540Z4A
Hayward Hex Nut with Washer for StarLite Pumps SP0540 SP0541 SP0542 SP0543 | SPX0540Z4A
Hayward Hex Nut with Washer for StarLite Pumps SP0540 SP0541 SP0542 SP0543 | SPX0540Z4A
Hayward Hex Nut with Washer for StarLite Pumps SP0540 SP0541 SP0542 SP0543 | SPX0540Z4A
Hayward

Hayward Hex Nut with Washer for StarLite Pumps SP0540 SP0541 SP0542 SP0543 | SPX0540Z4A

$17.99
/
$9.99 flat shipping on orders under $100.
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SKU:
SPX0540Z4A

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About This Item

The Hayward Hex Nut with Washer (SPX0540Z4A) is the OEM replacement #10-24 fastener assembly for the StarLite Series of Hayward above-ground pumps.

This hardware set secures components in the StarLite pump assembly, providing the correct thread engagement and bearing surface required for a properly torqued, leak-resistant connection at the pump housing.

Specifications

Hayward Part Number SPX0540Z4A
Thread Size #10-24
Compatible Series StarLite Series (SP0540, SP0541, SP0542, SP0543)
UPC 610377034265

Poolaroo Pro Tip

When replacing fastener hardware on your StarLite pump, inspect the mating surfaces for corrosion or thread damage before reinstalling. Using the correct OEM thread specification (#10-24) ensures proper clamping force — do not substitute metric hardware or a different thread pitch, as this can result in stripped threads or an insecure assembly.

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Hayward

About Hayward

Founded in 1925, Hayward has evolved from a small specialty metal shop in Brooklyn into a global powerhouse in residential and commercial pool equipment. For nearly a century, Hayward has pioneered advancements that revolutionized the swimming pool industry—most notably by transitioning pool equipment from heavy, rust-prone metals to durable, corrosion-resistant thermoplastics in the 1960s.

Today, Hayward is synonymous with reliable, energy-efficient performance and cutting-edge technology. From the legendary Super Pump to their modern Omni smart pool automation platforms, Hayward builds equipment designed to give pool owners total control and peace of mind. By focusing on sustainability, category-leading energy efficiency, and seamless smart home integration, Hayward empowers DIY homeowners to spend less time maintaining their water and more time enjoying their backyard oasis.

Why We Trust Hayward
A Century of Innovation: Over 100 years of engineering excellence, leading the industry from early metal valves to modern smart pool technology.
Unmatched Energy Efficiency: Pioneers of ultra-high efficiency variable-speed pumps and heating systems, saving pool owners money on monthly energy bills.
Total Smart Control: Creators of the Omni automation platform, giving users seamless, wireless control of pool chemistry, lighting, and temperature from their smartphones.
American Manufacturing Focus: The vast majority of Hayward products and components are proudly manufactured in United States facilities, ensuring strict quality control and dependable performance.

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