Whelen PAR-36 Clear Non-Optic LED Replacement Lens

Part Number: 68-3971486A30 | Drawing Number: 71833

Maintain peak light transmission and shield your high-performance LED landing or taxi light with this genuine Whelen Aerospace Technologies (WAT) outer replacement lens. Formulated specifically for the compact Parmetheus™ and Parmetheus Plus™ PAR-36 Series LED assemblies, this clear, smooth-surface cover provides the ultimate layer of protection without compromising beam intensity.

Because it features a specialized non-optic design, this lens acts as a purely protective window. It allows the complex internal Total Internal Reflector (TIR) optics of your Parmetheus lamp to throw a tight, highly focused beam down the runway exactly as the engineers intended, without scattering or diffusion. If your current lens is suffering from micro-cracking (crazing), severe bug staining, or sandblasting from unpaved strips, replacing it will instantly reclaim lost candlepower and keep you highly visible to air traffic control and other aircraft.

Key Features & Benefits

• Genuine WAT Component: Certified FAA-PMA factory replacement part ensuring 100% mechanical compatibility, flawless fitment, and reliable sealing.

• Aviation-Grade Polycarbonate: Extremely tough, lightweight, and engineered to absorb impacts from kicked-up runway gravel, insects, and thermal shock during high-speed descents.

• Over-Molded Hard-Coat Protection: Factory-treated with an advanced, rugged hard-coat that actively resists UV yellowing, chemical washes, and fine abrasions over thousands of hours.

• Uncompromised Light Transmission: The smooth, crystal-clear non-optic profile ensures maximum forward throw from both 14V and 28V Parmetheus LED assemblies.

• Simple Drop-In Maintenance: Standard 4.5-inch PAR-36 form factor allows for a seamless lens swap using your existing light retention ring.

Specifications

Tech Tip: A hazy or severely pitted landing light lens can reduce your forward light output by up to 20-30%. Replacing the outer lens is the most cost-effective way to refresh your illumination profile without replacing the entire, expensive LED lighthead assembly. Always check your mounting gasket for flexibility and cracking during the lens replacement process.