The Pentair IntelliBrite 5G White LED 300W Replacement Engine (619875Z) is the OEM replacement light engine assembly for the IntelliBrite 5G White LED Pool Light, restoring full illumination output to your existing fixture without replacing the niche or housing. ⚠️ IMPORTANT: POOL LIGHTING — LICENSED ELECTRICIAN REQUIREDPool lighting components operate in wet environments. Installation and replacement of this light engine must comply with NEC Article 680 and be performed by a licensed electrician. Do not attempt to service this component without proper certification. ⚠️ IMPORTANT: WHITE ENGINE ONLY — CONFIRM YOUR FIXTURE BEFORE ORDERINGThis is the white light engine variant. The IntelliBrite 5G line includes both color-changing and white-only configurations. If your fixture produces color modes, this engine will not restore color functionality — it is not the correct replacement for color-changing units. Verify your existing engine's part number before ordering. The light engine is the core optical and electrical assembly housed within the IntelliBrite 5G fixture body. When the LED module dims, flickers, or fails to illuminate, replacing the light engine restores full 300W-equivalent output without disturbing the niche or conduit installation. This engine installs directly into the existing IntelliBrite 5G White LED fixture housing. Specifications Pentair Part Number 619875Z Part Name IntelliBrite 5G White LED 300W Replacement Engine Light Color White Quantity Included Kit: Circuit Board Thermal Strips (2x). Uni-tension wire clamp assembly. Gasket, 8-3/8 in. silicon diameter, off white Fits Into Brand Equipment Line Model / Part Number Notes Pentair IntelliBrite 5G White LED Pool Light — IntelliBrite 5G Series INTELLIBRITE-5G-WHITE-LED-POOL 300W replacement engine for pool light Compatibility is based on Pentair parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering. Pro Tip Before ordering, locate the part number printed on your existing light engine or on the label inside the fixture housing. The IntelliBrite 5G white and color-changing engines share the same fixture body but are not interchangeable — ordering the wrong variant will not restore your system's original functionality. Match the part number stamped or labeled on your original component to 619875Z before adding to cart.