[Lifetime Warranty] SPX0540Z2 Underwater Light Lens Gasket Replacement - Compatible with Hayward Astrolite Pool Lights
Black rubber lens gasket for Hayward Astrolite underwater pool lights.
Black rubber lens gasket for Hayward Astrolite underwater pool lights.
Black rubber lens gasket for Hayward Astrolite underwater pool lights, SPX0540Z2 replacement part.
Black SPX0540Z2 replacement lens gasket for Hayward Astrolite underwater pool lights.
SPX0540Z2 black rubber lens gasket for Hayward Astrolite underwater pool lights shown in a side-profile view.
Black SPX0540Z2 replacement lens gasket for Hayward Astrolite underwater pool lights.
Black rubber lens gasket for Hayward Astrolite underwater pool lights.
Black rubber lens gasket for Hayward Astrolite underwater pool lights.
Black rubber lens gasket for Hayward Astrolite underwater pool lights, SPX0540Z2 replacement part.
Black SPX0540Z2 replacement lens gasket for Hayward Astrolite underwater pool lights.
SPX0540Z2 black rubber lens gasket for Hayward Astrolite underwater pool lights shown in a side-profile view.
Black SPX0540Z2 replacement lens gasket for Hayward Astrolite underwater pool lights.
Lifetime Warranty

[Lifetime Warranty] SPX0540Z2 Underwater Light Lens Gasket Replacement - Compatible with Hayward Astrolite Pool Lights

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SPX0540Z2 Underwater Light Lens Gasket Replacement

Key Features

  • Creates a watertight seal between the light lens and the housing.
  • Constructed from durable, chemical-resistant rubber.
  • Direct-fit replacement for the original part.
  • Diameter: 7 3/4 inches

Replaces / Cross-Reference Part Numbers

  • Hayward: SPX0540Z2
  • O-Ring Cross-Reference: O-172

Compatibility & Fitment

  • Designed for Hayward underwater pool and spa lights.
  • Fits Hayward Astrolite™, Starlite™, and Duralite™ series lights.
  • Compatible Models: SP0540, SP0541, SP0542, SP0543, SP054, SP0580, SP0580S, SP0584

When to Replace

  • If water is leaking into the light fixture.
  • When the current gasket is cracked, brittle, flattened, or deformed.
  • It is recommended to replace the gasket each time the light bulb is changed.

Installation Tips

  • Turn off all power to the light at the circuit breaker before servicing.
  • Ensure both the light housing and the glass lens grooves are clean and free of debris.
  • Seat the new gasket evenly on the glass lens before reassembling the faceplate.
  • Tighten faceplate screws in a star or crisscross pattern to ensure even pressure on the gasket.
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  • Fixing Symptoms

    Fixing Symptoms

    Fix symptoms of pool lights: water leakage, flickering/ dim light, loose/ damaged lens gasket, water stains around light fixture, etc.
  • Premium Quality

    Premium Quality

    SPX0540Z2 Light Lens Gasket is made of wear-resistant materials featuring O-ring improvement to ensure long-lasting use
  • Saving Solution

    Saving Solution

    Revive your home appliances affordably with BlueStars' DIY parts. Our savings solution turns repairs into simple, cost-effective tasks
  • Simple Installation

    Simple Installation

    BlueStars SPX0540Z2 Light Lens Gasket allows for effortless attachment and detachment, making installation relatively easy
SAFE POOL AT NIGHT

SAFE POOL AT NIGHT

Prevent the risk of electrical shock and ensure the light shines its brightest.
EASY MAINTENANCE

EASY MAINTENANCE

Easy to replace, quickly solve your pool light issues, no need to buy a brand new light.

FAQ

This lens gasket fits Hayward underwater light applications in the SP0540 series, including SP0540, SP0541, SP0542, and SP0543. The SPX0540Z2 is also compatible with Hayward StarLite and AstroLite-style pool lights.
Yes, the SPX0540Z2 also cross-references with part number O-172. When matching parts, verify your existing gasket or your light model documentation for either SPX0540Z2 or O-172.
Common symptoms include water or condensation inside the light housing, a deteriorated, flattened, brittle, or cracked gasket, and leaks found when the light is opened for bulb service. On underwater lights, the lens gasket is typically replaced any time the fixture is disassembled, since reusing an old compressed seal can lead to leaks.
It is best to replace the lens gasket whenever you remove the lens to change a bulb or inspect the fixture. Even if the old gasket looks usable, heat, pool chemicals, and long-term compression can reduce its sealing ability. Replacing it during service helps prevent moisture intrusion after reassembly.
Inspect the lens, clamp ring, and housing groove for debris, scale, corrosion, or damage. Clean the sealing surfaces thoroughly and make sure the old gasket material is fully removed. Also check that the lens and housing are not warped or cracked, because a new gasket may not stop leaks if the hard parts are damaged.
For someone already servicing a pool light, this is usually a straightforward repair. Typical tools may include a screwdriver or nut driver for the fixture hardware, plus a clean cloth for the sealing surfaces. The gasket swap itself only takes a few minutes, but total time depends on removing the light from its niche, opening the fixture, and carefully reassembling and leak-checking it. Always shut off power at the breaker before servicing any pool light.